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| | NASA Glenn Research Center | Francisco Guzman | |
Federal Government
|
Other Energy Technologies
| The NASA Glenn Research Center Particulate Aerosol Laboratory (PAL) studies contrails simulated at upper atmospheric conditions (altitudes up to 45k ft and ambient temperatures from room temperature to -110 F). The PAL facility is designed around the use of a small-scale jet exhaust nozzle, heated transition pipe, and swirl atomized combustor.
The current combustor provides a source of soot particles with a typical size of 25 nm. Fuel operation capabilities include real time fuel composition changes while maintaining a stable flame. PAL includes a suite of non-volatile particulate matter measurement capabilities based on the SAE ARP6320 sampling procedure with samples taken from the combustion zone. Flow through a transition pipe enters the chamber through a nozzle. The chamber is a cylinder that measures 6 ft in height and 2 ft in diameter. Optical access is available via various windows in the chamber walls. PAL ice particle diagnostics include wavelength-resolved optical absorption and scattering, which can achieve accurate sizing and number density measurements for ice particles > 50 nm diameter and ice water content > 75 mg/m3. The optical measurement plane can be adjusted ranging from near the nozzle exit plane to 4 ft from the nozzle.
PAL is designed to be a flexible facility where the exhaust nozzle diameter and combustor or soot generation source can be readily changed. Heated spray chambers can be added for introduction of varying amounts of simulated combustion products (e.g., water vapor). PAL allows for studies of the thermodynamic state of contrail formation as a function of fuel composition at realistic flight conditions.
The facility is not available to support external customer tests until after September 2025. |
| OH |
| | ReVolt Battery Technology Corporation | Jan Naidu | |
Small Business
|
Transportation
| ReVolt Battery Technology is based in the University of Houston Innovation center with the goal of developing advanced software models for energy and environmental applications.
Our design philosophy is based on the ideas of continuous improvement and innovation to develop autonomy, decision support and predictive models.
The research team at ReVolt possesses deep knowledge and experience with regard to the development of state-of-the-art software models leveraging machine learning and cloud based scalable solutions for large scale analysis or prediction.
In addition, we will customize the advanced statistical and machine learning models to build the forecast/prediction of the contrail maps of the US.
Our Related Capabilities
• Conduct integrated modeling of transportation impacts using a suite of environmental tools
• Model emissions and dispersion from transportation-related sources
• Analyze and develop environmental policies across urban and rural communities
• Develop and deploy tools that perform environmental measurement and modeling |
| TX |
| | Northrop Grumman Corporation | Dr. Bill Deal | |
Large Business
|
Transportation
| Northrop Grumman Corporation (NGC) has significant interests in aviation, remote sensing, and space-based systems. Our company manufactures satellite-based weather prediction systems, such as ATMS, and we are a premier provider of advanced electronic systems for both space and air platforms.
Northrop Grumman is currently developing a microwave radiometric sensor designed to remotely monitor humidity and temperature at altitudes relevant to civilian aviation. Referred to as YTHP, this sensor is jointly funded by NGC with additional funding by NASA ESTO in collaboration with JPL. YTHP leverages Terahertz microelectronics developed for space based communications, which will enhance high altitude water vapor and temperature profiling providing the requisite vertical resolution to avoid the critical ice saturated environments that induce contrail-cirrus formation. The YTHP will begin flight validation in 2023.
The underlying microelectronics technology uses advanced compound semiconductor technology to enable low noise amplifier based receivers operating above 400 GHz. The underlying semiconductor technology uses an Indium Arsenide Composite Channel (IACC) and a short gate length of 25 nm. The technology is being used for a variety of developing remote sensing technologies, and is expected to be qualified for space applications by 2026.
Parallel to this, NGC has developed accurate contrail formation and prediction models that allow the accurate prediction of onset/offset and the calculation of excess water available in the engine exhaust plume, which allows the detection for when the contrail will become persistent versus non-persistent. NGC has validated contrail models using its Gulfstream testbed designed to monitor contrail formation using a variety of airborne sensors.
Northrop Grumman is currently collaborating with NASA to demonstrate the application of YTHP for contrail avoidance in flight and would be interested in collaboration with other academia, government, and industry groups to develop operational systems to mitigate enhanced radiative forcing caused by contrail-cirrus formation. We believe our testbed with integrated YTHP sensor will provide critical near-term data necessary to accelerate contrail science. In the longer term, we believe that our technology could be an important tool in reducing global warming relating to contrail formation. |
| CA |
| | WindBorne Systems | Dana Moreno | |
Small Business
|
Other Energy Technologies
| WindBorne Systems is a data-as-a-service (DaaS) startup that designs, manufactures, and operates an artificial intelligence-enabled, long-duration global sounding balloon (GSB) that can improve climate awareness and weather forecasting anywhere in the world through continuous atmospheric monitoring and observation. Our GSB measures the same data points as a traditional weather balloon but can remain aloft for weeks on end, hundreds of times longer than traditional weather balloons. During a single flight, a GSB can travel thousands of miles, collecting data that no other technology can cost-effectively access over oceans, deserts, and in the most remote places on earth.
Collecting in-situ weather data in distant or isolated regions is challenging due to time, cost, logistical, and security constraints. This is why the GSB is purpose-built for long flight duration. Longer flights mean that, regardless of launch site, a GSB can reach target regions anywhere in the world. Legacy weather balloons and dropsondes can only collect data during a single hours-long ascent or minutes-long descent. By changing altitude at will, the GSB takes repeated vertical profiles of the atmosphere from ground-level to the lower stratosphere, compounding the efficiency and cost savings of its operation.
Twenty years ago, balloons increased in size as payloads became heavier and heavier. However, the miniaturization of technology has made it possible to carry sophisticated sensors in payloads weighing less than one pound. Smaller balloons means lower cost, less regulation, and more feasible global coverage. A fully equipped GSB weighs less than six pounds, which exempts GSB flight from FAA 101 regulations.
As a forerunner in the Climate Tech space, we are deeply invested in using GSBs to better observe and monitor the state of the atmosphere and our planet. We are interested in partnering with similarly minded organizations to facilitate more informed environmental understanding and policy decision-making. |
| CA |
| | NASA Armstrong Flight Research Center | Jennifer Cole | |
Federal Government
|
Transportation
| The Armstrong Flight Research Center is NASA's primary center for high-risk, atmospheric flight research and test projects. The center has the facilities and requisite expertise to conceive, design, analyze, fabricate, integrate, maintain and conduct disciplinary research, flight research and flight test on modified or unique research vehicles and systems. Armstrong’s strength is in integration of complex developmental systems.
For almost 75 years, research at NASA Armstrong has led to major advancements and breakthroughs in the design and capabilities of many state-of-the-art civil and military aircraft. Armstrong demonstrates America's leadership in aeronautics, Earth and space science and aerospace technology as the center seeks to revolutionize aviation, add to mankind's knowledge of the universe and contribute to the understanding and protection of Earth.
Supporting NASA’s vision to build a new global aviation system for the 21st Century, Armstrong’s aeronautics researchers, engineers and pilots use world-class NASA facilities to keep U.S. aviation first in safety, efficiency and innovation. The center explores technologies that reduce aircraft noise and fuel use, get you gate-to-gate safely and on time and transform aviation into an economic engine at all altitudes. Current or recent projects include:
• Collecting data that could make supersonic flight over land possible, reducing travel time in the United States or anywhere in the world
• Improving commercial aircraft energy and environmental impacts by designing tools to test and validate electrified aircraft propulsion technologies
• Helping industry to safely develop an advanced air mobility system to move people and cargo between places previously not served or underserved by aviation.
Contact Jennifer H. Cole for general AFRC information.
The center operates a fleet of highly specialized aircraft – C-20A, DC-8, ER-2 and B200 – that conduct a wide variety of Earth science missions under the Airborne Science Program. Current or recent missions include:
• Studying atmospheric effects of wildland and agricultural fires in U.S.
• Gathering data over specified areas repeatedly over time to gather data for geological studies
• Improving snowfall remote sensing interpretation and modeling to advance predictive capabilities
Contact Franzeska Becker for aircraft integration and test/experiment execution information.
franzeska.h.becker@nasa.gov
661-276-2543 (o)
661-418-1525 (m) |
| CA |
| | Aviation Climate Taskforce | Dan Matuszak | |
Non-Profit
|
Power Generation and Energy Production: Liquid and Gaseous Fuels/Nuclear
| We are interested in becoming a thought-partner and/or cost-share partner for teams that align with our strategy. We are a charitable non-profit organization with connections to major airlines. |
| GA |
| | Boom Technology, Inc. | Ben Murphy | |
Small Business
|
Transportation
| "Boom Technology, Inc. (“Boom Supersonic” or “Boom”) is transforming air travel by developing a new generation of supersonic commercial aircraft. Boom is building Overture, the world’s fastest airliner, designed and committed to industry-leading standards of speed, safety, and sustainability. Serving both civil and government markets, Overture is optimized to run on up to 100% sustainable aviation fuel (SAF) and is powered by the propulsion system SymphonyTM, a Boom-led collaboration with industry leaders. Overture will also be designed to accommodate future 100% SAF without aromatics, which will reduce non-CO2 emissions and may mitigate remaining contrail effects.
Boom Technology, Inc. believes that the aviation industry should take steps to mitigate contrail formation. Boom has expertise and capabilities relevant to defining, modeling, evaluating, integrating, and testing/demonstrating potential technologies that mitigate contrail impacts, with a focus on supersonics aircraft program integration and flight testing. Boom has been engaging leading climate scientists to better understand the potential atmospheric effects of Overture emissions in order to inform mitigation strategies, including making aircraft modifications, investigating new capabilities and incorporating broad emission-reducing technologies (such as propulsion technologies and engine control schemes to reduce LTO emissions and cruise NOx), as well as RDT&E efforts for future, zero-aromatics 100% SAF which may also reduce contrail formation.
Additional Boom Technology, Inc. core competencies and capabilities:
- Subject matter expertise in supersonics, including: research, design, and development of supersonic aircraft, integrated supersonic propulsion systems, and other supersonic technologies
- 100% Sustainable Aviation Fuel (SAF) research, development, testing & evaluation (RDT&E)
- Multi-disciplinary design optimization modeling tools and technologies, including tools and technologies for noise reduction and validation; fleet management; and route optimization, forecasting and planning
- Research and development of non-CO2 stratospheric effects and mitigations
Boom is interested in partnering in all three aspects of the PRETRAILS program (1. Aircraft, Environmental Data and Sensor Development; 2. Predictive Modeling; 3. Observer Data Gathering System)." |
| CO |
| | NASA Glenn Research Center Facilities | N/A - see POC list. | |
Federal Government
|
Transportation
| NASA Glenn Research Center has world-class facilities for aeronautics research including two icing wind tunnels: the Icing Research Tunnel (IRT) and Propulsion Systems Laboratory (PSL) which have capabilities to generate ice crystal clouds. Proposers considering use of NASA facilities (via a fee for service) should reach out to the listed POCs for more information.
NASA Glenn Facilities:
https://www1.grc.nasa.gov/facilities/
Icing Research Tunnel
https://www1.grc.nasa.gov/facilities/irt/
POC: Dennis Eck
Email: dennis.g.eck@nasa.gov
Phone: 216.433.3071
Propulsion Systems Laboratory
https://www.nasa.gov/aetc/propulsion/psl
POC: Rick Bozak
Email: richard.f.bozak@nasa.gov
Phone: 216.433.5160 |
| OH |
| | Universities Space Research Association | David Bell | |
Non-Profit
|
Transportation
| USRA's mission is to advance the space- and aeronautics-related sciences exploration through innovative research, technology, and education programs; promote space and aeronautics policy; and develop and operate premier facilities and programs by involving universities, governments, and the private sector for the benefit of humanity. USRA engages multidisciplinary technical expertise from 116 member institutions and other organizations to solve problems for government and industry sponsors.
USRA works closely with NASA aeronautics and science organizations, bringing deep expertise in machine learning computational methods for predictive modeling in the context of airline flight routing optimized for reduced emissions, and atmospheric analyses using satellite imagery for a variety of domains. |
Website: www.usra.edu
Email: dbell@usra.edu
Phone: 650-575-4362
Address: 425 3rd Street SW, Suite 950, Washington, DC, 20024, United States
| DC |
| | Thales | Guillaume Pabia | |
Large Business
|
Transportation
| Thales is a global technology leader with more than 77,000 employees on five continents. In Aerospace, governments, airports, airlines, pilots, crews and passengers rely on Thales to make flight safer, easier and more efficient. We do this by designing, delivering and supporting the systems that keep our skies running. From air traffic management, training and simulation solutions, nose-to-tail aircraft connectivity and aircraft sensors, we enable and connect all parts of the aerospace ecosystem in the air, on the ground, and in between.
Thales has developed a strong expertise in making flight operations greener and is convinced that the environmental footprint of aviation can be lowered by 10% leveraging enhanced air/ground collaboration within local ecosystems in a continuous improvement cycle.
Thales has developed various concepts including Flights Footprint (FFP), an application that can provide users with an overview of the CO2 and non-CO2 emissions (incl. contrails, NOx and H2O) a flight will generate on any part of its trajectory. FFP is also able to provide airlines with tactical recommendation regarding their flight path to optimize their overall climate impact (and avoid contrail sentitive area), this system is currently in trials with regional airlines.
Ongoing work is focus towards improving FFP accuracy (ISSR regions prediction) and ensuring that our predictive model regarding persisitent contrail is correct. Additional workload is planned on improving the verification step by leveraging ground and space-based observer systems.
To optimise flight operations, a strong collaboration between Air Traffic Controllers (ATC) and pilots is also critical. As such, Thales has developed Green Flag, a collaborative platform that allows ATC centres to define 4D blocks and declare them as Green Flag. These Green Flag sectors indicate ATCs’ availability to implement green procedures in collaboration with the pilot.
Green Flag has been tested and verified under operational conditions with various partners (airlines, ANSPs, etc.) during the PROVERT and OCTAVIE projects and more operational trials are planned. Finally, Thales has extensive experience in flight-certified sensors including air data systems (temperature and AOA probes, etc.), and lidars.
Thales relies on a network of academic and scientific experts to ensure its scientific excellence and is interested in contributing to the three workstreams identified within this project. |
| Gironde |
| | University of Illinois at Urbana-Champaign | Lavanya Marla | |
Academic
|
Transportation
| My background is in aviation operations research. I build scheduling, routing, and trajectory optimization models for airline and aviation systems optimizing for the associated network (upstream/downstream) impacts. We have recently developed machine-learning/artificial intelligence technology that enables aircraft to find near-optimal routes in airspace using other aircraft as sensors, i.e., aircraft intelligently sense weather to measure and predict contrail formation in airspace. Please contact for further details. |
| IL |
| | Volpe National Transportation Systems Center | Christopher Roof | |
Federal Government
|
Transportation
| About Us
The U.S. DOT Volpe Center's Environmental Measurement and Modeling Division measures and models emissions and air quality to support transportation-related emissions and climate initiatives.
• Air Quality– this list of publications reflects the U.S. DOT Volpe Center’s contribution to air quality literature.
• Aviation Environmental Design Tool (AEDT)– our team leverages AEDT and provides AEDT training for those who want to learn more about noise and emissions, the basics of modeling environmental consequences of aviation operations in AEDT, and using ASIF or SQL to import study data.
Our team includes a mix of engineers (civil, acoustics, environmental, electrical, software, general, aerospace), physical scientists and emissions modeling analysts, IT specialists and programming analysts, operations research analysts and environmental protection specialists. They work collaboratively to measure noise and emissions for all modes of transportation and conduct long-term noise monitoring in remote locations, such as national parks.
The team models noise, emissions, and dispersion from transportation-related sources to understand environmental and technological impacts and improve quality of life.
Our Related Capabilities
• Conduct integrated modeling of transportation impacts using a suite of environmental tools
• Model emissions and dispersion from transportation-related sources
• Analyze and develop environmental policies
• Develop and deploy tools that perform environmental measurement and modeling, including FAA’s Aviation Environmental Design Tool (AEDT)
• Conduct air quality analysis and air pollutant concentration measurement |
| MA |
| | Artium Technologies, inc. | William D. Bachalo | |
Small Business
|
Other Energy Technologies
| Artium Technologies, Inc. was founded in 1998 with the goal of developing advanced instruments for energy and environmental applications. Our design philosophy is based on the ideas of continuous improvement and innovation. The research team at Artium possesses deep knowledge and experience with regard to the development of state-of-the-art optical instrumentation, including both hardware and software. Products include Phase Doppler Interferometers, Laser Doppler Velocimeters, Laser-Induced Incandescence instruments, and Particle Imaging Systems.
Artium has considerable experience developing instruments to study aerosols and particle fields in ground-based research facilities or at altitude via flight-probes installed on research aircrafts. The instruments developed at Artium are used in a wide range of applications related to cloud characterization and atmospheric science. Particularly in the context of contrails, the laser-induced incandescence instruments can be used to quantify particulate matter emitted by aero-engine combustion (when operated on hydrocarbon fuels), which can be combined with phase-Doppler interferometry or high-resolution imaging instruments to characterize droplets or ice crystals. |
| CA |
| | Crown Consulting, Inc. | Ruben Del Rosario, Ph.D. | |
Small Business
|
Transportation
| Crown’s Aerospace & Advanced Transportation service area builds on decades of innovation with the Federal Aviation Administration, NASA, states and industry partners assessing, developing and implementing advanced airspace technologies.
Crown provides air mobility and technology four key areas:
1)Manned and unmanned airspace integration, from concept development, analysis and planning to implementation.
2)Autonomy infusion into air mobility solutions for scalability and intermodal transportation connectivity.
3)Air vehicle technology and transformative aeronautics concepts and assessment.
4)Big data management and utilization for enabling in-time safety and operational support in real-time. |
| VA |
| | George Washington University | Peng Wei | |
Academic
|
Transportation
| Background: Our research group focuses on developing mathematical models, computer algorithm and prototypes for air transportation and aviation systems. By contributing to the intersection of control, optimization, machine learning, and artificial intelligence, we develop autonomy, decision support and predictive models. Dr. Wei is an AIAA Associate Fellow. He serves as an associate editor for AIAA Journal of Aerospace Information Systems and the chairman of the AIAA Air Transportation Systems Technical Committee. He received his Ph.D. degree in Aerospace Engineering from Purdue University in 2013. See our website at https://web.seas.gwu.edu/pwei/
Interests and Capabilities: Our team will bring the state-of-the-art theory, tools and knowledge for aviation operations. Concretely, we are very familiar with and will be able to leverage the open-source ADS-B aircraft trajectory data, weather data, and aircraft fuel consumption models to construct a nowcast map of the contrails. In addition, we will customize the advanced statistical and machine learning models to build the forecast/prediction of the contrail maps of the US and the world.
Please find our publications here https://web.seas.gwu.edu/pwei/papers/
Specifically, our joint research works with NASA on contrail formulation and reduction:
https://bpb-us-w2.wpmucdn.com/web.seas.gwu.edu/dist/9/15/files/2019/07/gnc12.pdf
https://bpb-us-w2.wpmucdn.com/web.seas.gwu.edu/dist/9/15/files/2019/07/gnc13.pdf |
| DC |
| | University of Central Florida | Kareem Ahmed | |
Academic
|
Transportation
| We are part of the Center for Advanced Turbomachinery & Energy Research and the Florida Center for Advanced Aero-Propulsion. Our group have significant expertise in advanced propulsion and energy focusing on emissions and contrails. |
| FL |
| | University of Minnesota | Suo Yang | |
Academic
|
Power Generation and Energy Production: Liquid and Gaseous Fuels/Nuclear
| We have strong expertise of predictive modeling and CFD simulation of (1) vapor-liquid equilibrium (VLE) and phase change/transition coupled with aerodynamics, which are critical for aviation contrail formation and evolution; (2) soot formation and evolution in realistic turbulent flow environment, which can serve as the nucleation kernels for aviation contrail formation; (3) combustion and emission of alternative fuels including ammonia, hydrogen, and liquid fuels.
In addition, we developed many automatic tools to analyze detailed chemical kinetics and flow-chemistry interaction in combustion and emission.
Finally, we have been developing physics-informed data-driven surrogate models (based on Gaussian process and neural networks) and digital twin platform for the training and testing of aviation propulsion control systems. More information about our research can be found at https://crfel.umn.edu/research-areas |
| MN |
| | Southwest Sciences, Inc. | Joel Silver | |
Small Business
|
Other Energy Technologies
| Southwest Sciences has been at the forefront of research and applications in trace gas detection using tunable diode lasers throughout its 37-year history. We were among the first researchers to develop theory and implement into practice the use of frequency and wavelength modulation spectroscopy using diode lasers, introduced the use of Herriott cells for diode laser absorption measurements, and patented a newer design using dense pattern cells that permit even longer paths using commercial off-the-shelf, rather than expensive custom, mirrors.
Most recently, Southwest Sciences has emphasized the development of small, lightweight, low power, high speed, gas analyzing instruments suitable for portable or airborne applications. Custom electronics systems that are developed in-house allow for compact, low power instruments that perform all instrument control, data acquisition, processing, and reporting. These electronics, combined with newly available near-IR and mid-IR diode lasers and compact, lightweight optical designs, result in instruments that are hand-portable or can be flown on small aerial platforms such as weather balloons and quadcopter unmanned aerial vehicles.
Diode laser-based detection of water vapor provides a combination of high sensitivity, rapid time response, and wide dynamic range that is superior to most other methods of humidity measurement. Southwest Sciences developed a fast (50 Hz) and accurate (5%) hygrometer. Currently, our laser hygrometer is the mainstay water vapor instrument on the NSF Gulfstream V research jet being used by the National Center for Atmospheric Research. This hygrometer has been flying since 2008 and has more than 7,000 hours of flight time on more than 20 missions. It consists of an outside mounted aerodynamic pylon which contains an open path multipass cell. Independent measurements are reported at a 50 Hz frequency. Other past Southwest Sciences airborne humidity projects include instruments deployed on a KC-135 and a Lockheed 1011 aircraft. |
| NM |
| | Oak Ridge National Laboratory | James P Szybist | |
Federally Funded Research and Development Center (FFRDC)
|
Transportation
| ORNL is interested in applying neutron diagnostics to better understand contrail ice particle nucleation, including differentiating homogeneous and heterogenous ice crystals. |
| TN |
| | Pennsylvania State University | Jacqueline O'Connor | |
Academic
|
Power Generation and Energy Production: Liquid and Gaseous Fuels/Nuclear
| Our laboratory has experience measuring soot in realistic aviation fuels, including SAF blends, in highly controlled flame experiments relevant to model development and verification. We have the capability to measure flames at pressures and temperatures relevant for aviation cruise conditions. Measurements include soot volume fraction distributions, soot precursor (PAH) measurement, and soot temperature. Some soot sampling is also possible; high-resolution imaging and testing of particulates is available at the Materials Characterization Laboratory at Penn State (https://www.mri.psu.edu/materials-characterization-lab). See our previous work in this area on our website: https://sites.psu.edu/rfdl/research/alternative-fuels/ |
| PA |
| | Metron Aviation | Dr. Robert Hoffman | |
Large Business
|
Transportation
| We provide worldwide tools and services for conducting live air traffic flow management, including operational tools to support air navigation service providers (ANSP) and airline operations for nominal operations and for mitigation strategies during air traffic flow events. We have extensive experience in processing weather forecast and observation data from meteorological data providers (e.g., National Weather Service) and analyzing, modeling, and predicting weather and other natural hazard impacts on flight operations.
Our immediate contributions to exploration of contrail predictive models would be:
o Analysis and modeling of weather observation and forecast data (including in-situ data provided by aircraft), and developing analytical techniques (also known as weather translation) to determine contrail avoidance regions, as we have done for turbulence and convective weather.
o Analysis and modeling of feasible contrail avoidance strategies including rerouting, altitude changes, etc.
Our long-term interests and capabilities regarding contrails prediction are:
o Post-analytic contrail reporting, e.g., in our POET tool – tell flight operators what their contrail footprint was)
o Predictive modeling (specifically, contrail formation polygons) - similar to other weather translation work we have done. This capability can be shared via modern APIs and integrated into flight planning tools at airlines.
o Mitigation strategies – how much of this is avoidable, and at what cost. |
| MD |
| | National Research Council Canada | Anthony Brown | |
Government Owned and Operated (GOGO)
|
Transportation
| NRC Canada: Anthony Brown, Flight Research Lab, undertaken ten SAF contrail flight measurement projects, including five >90% blend; Pervez Canteenwalla, Gas Turbine Lab, undertaking SAF engine gaseous & PM emissions test rig projects; Dr Greg Smallwood, NRC Metrology, undertaking BC nvPM research, including ACCESS & ECLIF, ICAO standards development |
| Ontario |
| | Syracuse University | Benjamin Akih-Kumgeh | |
Academic
|
Power Generation and Energy Production: Liquid and Gaseous Fuels/Nuclear
| My interests lie in chemically reacting/combustion flows and general multiphase flows. In recent years, I have been exploring multiphase flows. Relevant for combustion problems is the phase change from liquid to gases but I have recently taken an interest in the reverse transition of gaseous to liquid state in transport problems. Contrail formation is of practical interest in this condensing flow problem. I believe that the problem can be tackled in a fundamental manner with the aim of predicting the time scale of jet mixing, nucleation, and condensation.
From the perspective of jet propulsion, I teach airbreathing and rocket propulsion where analysis of the combustion processes and the separate flow stream can inform pragmatic strategies to model or control the behavior of the exhaust jet. Knowledge of the non-uniformity of the nozzle exhaust and time scales of the mixing process can allow for prediction of the onset of significant nucleation and condensation. Conversely, knowledge of the nucleation and condensation dependence on the exhaust non-uniform conditions can inform strategies to influence mixing and nucleation time scales such the number for engine streams and mixing of exhaust streams. Through such mixing, it could be possible to delay nucleation to the extent of minimizing the overall formation of contrails or their persistence and growth, once formed.
I bring both modeling and CFD simulation skills to the problem. From my perspective, it is possible, through these studies of mixing nucleation, and condensation, to develop correlations that can predict the formation and persistence of contrails. |
| NY |
| | WeatherExtreme Ltd. | Paul Fremeau, M.S. | |
Small Business
|
Other Energy Technologies
| WeatherExtreme Ltd. is a meteorology & atmospheric science research and modeling company which provides weather forecasting and consulting services. WeatherExtreme has experience with and currently operates a physics-based high-resolution global contrail model that identifies regions and altitudes at which contrails are likely to form. Additionally, WeatherExtreme develops and tests high-altitude weather sensors in collaboration with the Perlan Project, a cutting-edge aviation endeavor which sets world altitude records (currently 76,124 feet MSL) for unpowered flight using an engineless glider. WeatherExtreme is interested in acting as a collaborating partner on the upcoming FOA. |
| NV |
| | Wentworth Institute of Technology | John Voccio | |
Academic
|
Other Energy Technologies
| Dr. John Voccio is an associate professor of mechanical engineering at Wentworth Institute of Technology in Boston, MA. He has over 35 years of expertise in superconductivity and electromagnetics with interest in turboelectric propulsion for airplanes. Dr. Voccio has contributed to many innovative and patented ideas in his field of superconductivity and is looking to apply his creative problem-solving methods to the contrail problem. He also has many years of experience of writing successful research proposals, leading projects and conducting experiments.
His colleague, Dr. Haifa El-Sadi, is an associate professor with over than 20 years of experience in the aircraft industry and expertise in the fundamental areas of fluid mechanics, thermodynamics, experimental design and statistical analysis, computational fluid dynamics CFD, and surface phenomena. She leads the aerospace minor at Wentworth. While in industry, Dr. El-Sadi performed CFD analysis to investigate turbofan blade performance, taking into account such factors as feed pressure, temperature, and mass flow. She also has expertise in gas turbine engine combustion, greenhouse gas emissions and its effect on the environment, in addition to atmospheric layers.
Together, we are looking to lead a group of professors and students at Wentworth to further study contrails by participating in an broad and innovative ARPA-E team of other companies and laboratories. Wentworth is known for its hands-on approach to engineering, so we can support other team members with design, analysis, fabrication and testing of new instrumentation prototypes. |
| MA |
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