vania-janet/multiturn-rag-retrieval-data huggingface dataset:
NASA Jet Propulsion Laboratory (JPL) - Robotic Space Exploration
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 Dr. Laurie Leshin, Director of JPL
 Dr. Laurie Leshin, director of the Jet Propulsion Laboratory since May 2022, is a distinguished geochemist and space scientist with extensive leadership experience in academia and government, including senior NASA positions. 
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 Leslie Livesay, Deputy Director
 Leslie Livesay, JPL’s Deputy Director and Chief Operating Officer, is responsible for the day-to-day management of JPL's resources and activities. During a career spanning more than 37 years at JPL, Livesay has managed teams in the development of technologies and flight systems for planetary, Earth science, and astrophysics missions. 
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 Dave Gallagher, Associate Director for Strategic Integration
 Dave Gallagher is currently Associate Director for Strategic Integration at NASA's Jet Propulsion Laboratory. Previously, he was the Director and Deputy Director for Astronomy, Physics, and Space Technology and before that he was manager of JPL's Advanced Optical Systems Program Office. 
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 Keyur Patel, Associate Director for Flight Projects and Mission Success
 Keyur Patel was appointed Associate Director for Flight Projects and Mission Success in April 2024. He has been a member of the professional staff at the Jet Propulsion Laboratory since 1985 and in executive management since 2008. 
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 Matt Wallace is the Director for Planetary Sciences at JPL. He oversees formulation, development, and operations of NASA missions to the Outer Planets, Mars, Venus, asteroids, and the Moon. 
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 Suzanne Dodd, Director for the Interplanetary Network Directorate
 Suzanne Dodd is JPL’s Director for the Interplanetary Network Directorate (IND). The IND is the home organization of NASA’s Deep Space Network and Multimission Ground Systems & Services programs.
Propulsion Systems Laboratory No. 1 and 2 | Glenn Research Center | NASA
Propulsion Systems Laboratory No. 1 and 2 | Glenn Research Center | NASA

 

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Propulsion Systems Laboratory No. 1 and 2

The Propulsion Systems Laboratory (PSL) No. 1 and 2 was for years the nation’s most powerful facility for testing full-scale engines at simulated flight altitudes. For nearly three decades, the PSL tested aircraft, missile, and rocket engines to support a range of military and civilian programs. This website seeks to preserve the legacy of the original PSL facility for future generations.

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History
 Grid View List ViewConstruction of the PSL facility. The two large structures are the primary coolers for the test chambers. (1/19/1951)
Design and ConstructionThe addition of the PSL No. 1 and 2 in 1952 provided the NACA with a state-of-the-art tool for studying the more powerful engines of the future.Seymour Himmel giving a talk on controls for ramjet engines at the NACA's 1954 Inspection. The display is between the two PSL test chambers. (6/17/1954)
Missiles and TurbojetsIn the 1950s, PSL tested turbojet and ramjet engines for military aircraft and missile systems, before transitioning in the 1960s to rocket engines for NASA’s early space program.Electrical Engineer Fred Looft (left) and Engineering Services Chief Robert Godman inspect a Pratt & Whitney TF30 turbofan engine at PSL. (10/6/1967)
Return to Jet EnginesIn the late 1960s and 1970s, PSL undertook a series of engine studies for civilian and military aircraft.
Science | Glenn Research Center | NASA


Science | Glenn Research Center | NASA

 

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Science

Lattice Confinement Fusion

Lattice Confinement FusionA team of NASA researchers seeking a new energy source for deep-space exploration missions, recently revealed a method for triggering nuclear fusion in the space between the atoms of a metal solid. Their research was published in two peer-reviewed papers in the top journal in the field,  Physical Review C, Volume 101 (April, 2020): “Nuclear … Read the rest ⇢

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National Aeronautics and Space Administration

NASA Official: Scott Graham
        Page Editor: Timothy Reckart
        Page Last Updated: August 17, 2020
        
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Glenn Research Center
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sizes="(max-width: 2048px) 100vw, 2048px" /></a></figure><figcaption class="hds-caption padding-y-2"><div class="hds-caption-text p-sm margin-0">Jennifer Scott Williams (front) during a senior staff outreach event at the Remembering Columbia Museum in Hemphill, Texas.</div></figcaption></div></div></div>

<p>Her journey also included groundbreaking work on the Boeing Starliner spacecraft, where she served as the instrumentation and communications officer on the Boeing Mission Operations Team. Her efforts established operational foundations that will shape its future space missions. Williams was instrumental in developing the vehicle communications systems, understanding its operations, creating simulations, coding, and comprehending the computer systems, addressing all the fundamental aspects necessary for the spacecraft. </p>

<p></p>

<p>Beyond her technical contributions, Williams is deeply committed to inspiring the next generation of explorers. She also managed the Minority University Research and Education Project, encouraging students of color to engage in STEM fields.  </p>

<p></p>

<p>She led a team that collaborated with students, teachers, and educational institutions through the Pre-Service Teacher Program. Williams said that working in the Office of STEM Engagement was a new experience that became life-changing for her. “I really rediscovered a passion that I have for students and education,” she said. “I love being able to help interns navigate the NASA environment and help people of color be able to apply for NASA jobs. It takes all perspectives to accomplish our mission.” </p>

<p></p>

<p>Williams earned dual bachelor&#8217;s degrees in mathematics and electrical engineering from Spelman College and the Georgia Institute of Technology. She later received a master&#8217;s degree in electrical engineering from the University of Houston. She belongs to the Spelman College National Alumni Association and holds a lifetime membership in the National Society of Black Engineers. </p>
Drop Tower Competition | Glenn Research Center | NASA


Drop Tower Competition | Glenn Research Center | NASA

 

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Home > Space > Education and Outreach 
Drop Tower Competition

Secondary students from the United States are annually challenged to design and build hardware to be tested in NASA’s 2.2 Second Drop Tower.  NASA has offered curiosity-based challenges in the past (such as CELERE, DIME, and WING), but the current contests are problem-based and relevant to NASA research and space exploration technologies.

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Current Drop Tower ChallengesInformation for the current challenges are provided here.Harvest of veggies on the ISSPast Drop Tower Challenges and CompetitionsWhile these drop tower challenges/competitions are no longer being offered, an overview of the design challenge, background information and selected schools are listed. Educators might want to use these competition in their classroom for discussion or for drop tower related activities.

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National Aeronautics and Space Administration

NASA Official: Scott Graham
        Page Editor: Timothy Reckart
        Page Last Updated: October 23, 2023
        
Privacy Policy  |  No Fear Act  |  Accessibility   |  FOIA

Glenn Research Center
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Acoustics Research | Glenn Research Center | NASA
Acoustics Research | Glenn Research Center | NASA

 

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Home > Aeronautics 
Acoustics Research

Our vision is to help increase the peace and quiet in the world by serving as a leader in aircraft engine noise reduction research

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Our Mission
Air travel is safer, cleaner, and quieter because of the aircraft engine acoustic research we perform at NASA Glenn Research Center (GRC).  We conduct experiments to characterize and reduce aviation noise pollution in world-class facilities such as the Aero-Acoustic Propulsion Laboratory, the 9-ft by 15-ft Low Speed Wind Tunnel, and the Acoustical Testing Laboratory.  The information gained from these experiments helps us to develop quieter and more efficient aircraft engines.
At NASA GRC, we are asked not only to imagine the quiet air transportation system of the future, but to help bring the best ideas into service for the benefit of all.  We study the acoustic and aerodynamic performance of propulsion systems for a wide range of aircraft including small autonomous advanced air mobility vehicles, general aviation, commercial aircraft, and experimental supersonic vehicles.  We study gas turbine engines and promising electric, hybrid/electric aircraft propulsion systems.  Our investigations include small scale engine component experiments to full-size flight tests.  To measure airflow and sound, we use special instrumentation like particle image velocimetry, hot wire anemometry, Raman spectroscopy, and microphones in phased arrays or continuously rotating rakes.  The global aviation noise reduction community relies on data from NASA GRC experiments to validate theory and noise prediction software.
Cities need vibrant airports to enable local economy to thrive, to join the global community, and to draw the world to their doorstep. As airport traffic increases, cities are faced with the choice of balancing the health and quality of life of residents with the prosperity of their regional economy.
Quiet aircraft have a competitive advantage in today’s market.
Altitude Wind Tunnel | Glenn Research Center | NASA
Altitude Wind Tunnel | Glenn Research Center | NASA

 

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Home > Glenn Historic Facilities 
Altitude Wind Tunnel

The Altitude Wind Tunnel (AWT), the nation’s first wind tunnel capable of studying full-scale engines under realistic flight conditions, played a significant role in the development of early U.S. jet engines. In the 1960s, the tunnel was converted into one of the country’s first large vacuum tanks, named the Space Power Chambers (SPC), to support the Centaur rocket program.

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History
  Grid ViewList ViewDesign and ConstructionThe NACA designed its unique Altitude Wind Tunnel (AWT) during World War II specifically to study the performance of aircraft engines in realistic ...AWT’s World War II EffortsThe AWT began operation in 1944 and contributed to the World War II effort by resolving the B-29 bomber’s engine cooling problems and testing the ...Post-war EnginesThe AWT’s post-war testing and improvement of axial-flow turbojet engines was the facility’s most enduring contribution to the aerospace field.Jet Engines MatureBy the 1950s, jet engines were significantly outperforming their predecessors. Yet, the onset of the Cold War increased the urgency for further advances. ...AWT Enters the Space AgeIn the early 1960s, NASA modified the AWT to address the needs of the burgeoning space program. The facility first supported Project Mercury, then was ...SPC Centaur TestingIn the early 1960s, NASA decided to use it new SPC test chambers for a variety of tests of the Centaur upper stage rocket. These included tests of its ...Final YearsNASA’s use of the SPC diminished in the 1970s, and a proposed restoration of the tunnel in the 1980s did not come to fruition. After years of under-use, ...
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Aeronautics | Glenn Research Center | NASA
Aeronautics | Glenn Research Center | NASA

 

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Aeronautics

Our work advances propulsion for aircraft while reducing energy consumption, noise, emissions and the cost of air travel. We are committed to investigating the use of alternative energy sources and improving the safety and expediency of flight.

Ice accreted on a Large-Scale Swept Wing Model in the NASA Icing Research Tunnel.Icing ResearchNASA’s icing research involves the development of tools and methods for evaluating and simulating the growth of ice on current and future aircraft surfaces or inside the engines and the effects that ice may have on the behavior of aircraft in flight.Credits: NASAElectrified Aircraft Propulsion (EAP)NASA Glenn’s research in Electrified Aircraft Propulsion (EAP) offers new possibilities for reducing fuel and energy usage in aviation. Innovative technologies, aircraft concepts, test aircraft, and ground test facilities will turn this vision of efficient flight from science fiction to reality.Hybrid Thermally Efficient Core (HyTEC)Accelerate development and demonstration of advanced turbine engine technologies in a high-power-density core to enable next-generation commercial transport aircraft.Boundary Layer Ingestion propulsion concept undergoing high-speed testing in the NASA Glenn 8’x6’ wind tunnel.   Credits: Dave Arend/NASA
Boundary Layer Ingestion PropulsionThe aviation industry has made tremendous strides in increasing the efficiency of today’s aircraft, especially by significantly reducing the fuel consumption of the aircraft engines. NASA’s Glenn Research Center is working on propulsion technology to increase the fuel efficiency of future aircraft even more, reducing the overall cost to consumers and the impact on the … Read the rest ⇢Acoustics ResearchOur vision is to help increase the peace and quiet in the world by serving as a leader in aircraft engine noise reduction research

The Future of Aviation: Quieter. Cleaner. Faster. (music only)
Credits: NASA
What We’re Working On
Propulsion Systems Laboratory | Glenn Research Center | NASA
Propulsion Systems Laboratory | Glenn Research Center | NASA

 

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Home > Facilities 
Propulsion Systems Laboratory

The Propulsion Systems Laboratory (PSL) is NASA’s only ground-based test facility that provides true flight simulation for experimental research on air-breathing propulsion systems. The PSL has recently added the capability to simulate clouds of ice crystals and liquid water droplets.
Facility Overview
Ice Measurement Probes in Propulsion Systems Laboratory (PSL).
The Propulsion Systems Laboratory (PSL) complex provides world-class test and evaluation capabilities in support of NASA’s research and testing mission and charter. Built in the early 1970s, PSL has hosted a number of unique programs that have furthered engine research technologies.
Altitudes to 90,000 ft and Mach numbers to 3.0 in one cell and 6.0 in the other can be simulated continuously. Engine airflow is available to 480 lb/s at an inlet pressure of 55 psia or to 380 lb/s at 165 psia. Inlet temperature control is also available. Real-time display and post-test data reduction are available for all measured and calculated parameters.
The PSL is a highly versatile test facility developed to suit the one-of-a-kind testing common to NASA aeronautics research and testing programs. This versatility allows quick reaction to changes in program direction, as well as complete flexibility to pursue new goals that arise unexpectedly from ongoing experimental research.
C2013-438: Power Systems Laboratory (PSL) Icing Spray Bar System with Model.
Unique concepts in altitude engine testing have been pioneered and perfected in the PSL, such as multiaxis thrust measurement, vectored and reverse exhaust gas collection, infrared imaging at altitude, aeroelastic measurements, transient pressure and/or temperature distortion simulation, and flight transient simulation. Recognizing innovation, other test organizations have asked to share PSL’s expertise.