D-Site offers a unique environment for industry, government, and academia to conduct advanced battery, altitude, and electromagnetic interference testing to meet key requirements for certification.
D-Site facility is a sub-megawatt testbed enabling advanced electrical powertrain ground testing for a range of aerospace applications. Located at NASA’s Neil Armstrong Test Facility in Sandusky, Ohio, D-Site is equipped with unique battery, altitude, and electromagnetic interference test capabilities designed to meet technology research, development, and certification requirements in the aerospace industry.
Formerly used to test rocket engine turbines in the 1960s, D-Site is now home to one of NASA’s premier ground test facilities for electrified aviation research. D-Site is a leading facility for aviation battery testing, enabling pack-level performance testing for hybrid electric aircraft. U.S. companies use D-site as a safer and more cost-effective way to conduct critical ground testing required for propulsion systems certifications.
D-Site is a unique facility where researchers can test aerospace components under various conditions to evaluate the effects of conditions such as altitude, temperature, and electromagnetic interference on performance. In the 1960s, D-Site was home to NASA’s Controls and Turbine Test Facility where researchers tested chemical and nuclear rocket engine turbines. Today, D-Site is one of the agency’s leading aeronautical testbeds for electrified aviation research and development.
Electric powertrain systems face complex design, testing, and integration challenges in both aviation and space applications due to increased power levels operating at higher altitudes. Components such as batteries require high energy density and increased reliability in order to operate safely under extreme conditions and be certified for flight. D-Site offers a unique environment for industry, government, and academia to conduct advanced testing on critical components and meet key requirements for certification.
The facility is supplied with 580 kW of electrical power for general facility use and 2 MW for test equipment. D-Site’s battery chamber allows researchers to conduct non-destructive pack-level performance testing to ensure safety and reliability under normal operating conditions. This includes assessing key elements such as energy capacity, voltage, and charge and discharge cycling.
Gas/flame detection system Altitude Testing D-Site’s altitude chamber enables a safer and more cost-effective way to conduct ground testing and evaluate electric machine performance under simulated, realistic flight conditions with extreme temperature shifts, humidity, and high altitudes. Driveshaft max speed: 7,000 rpm DC Bus Voltage: 50 – 1200V EMI can have harmful impacts on how components perform and the overall health of electrical systems.
D-Site’s EMI testing capabilities help ensure hardware is safe and in compliance with EMI requirements by the Radio Technical Commission for Aeronautics. Modeling of Section 21 radio frequency radiated emissions Measure radio frequency conducted emissions on 1kV, 1kA components and compare results to existing DO-160 RF CE limits D-Site’s unique capabilities provide industry, government, and academia with a safe and cost-effective way to carry out critical ground tests on electrical power systems.
Data gathered from these tests can help advance electrified systems in aviation and space, identify gaps in regulations, and inform standards for future electrified powertrain systems. Interested in testing with us? D-Site is currently available to U.S.-based companies for advanced battery pack-level performance testing. Get in touch via the link below.
NASA partnerships offer ways to collaborate with the agency’s researchers and use its facilities through various types of agreements. D-Site is open to industry looking to conduct advanced battery and other electrified aircraft propulsion component ground testing.
Aeronautics Research Mission Directorate Electrified Aircraft Propulsion Glenn Research Center Ultra-Efficient Aviation
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