{"id":10790,"date":"2024-04-29T12:05:06","date_gmt":"2024-04-29T16:05:06","guid":{"rendered":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/nasa-uses-small-engine-to-enhance-sustainable-jet-research\/"},"modified":"2024-04-29T12:05:06","modified_gmt":"2024-04-29T16:05:06","slug":"nasa-uses-small-engine-to-enhance-sustainable-jet-research","status":"publish","type":"post","link":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/nasa-uses-small-engine-to-enhance-sustainable-jet-research\/","title":{"rendered":"NASA Uses Small Engine to Enhance Sustainable Jet Research"},"content":{"rendered":"

NASA Uses Small Engine to Enhance Sustainable Jet Research<\/h2>\n

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3 min read<\/p>\n

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\"A<\/a><\/figure>
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The DGEN380 Aero-Propulsion Research Turbofan (DART) is a small-scale jet engine NASA uses to test new aviation technology. DART is seen here inside its host facility, the Aero-Acoustic Propulsion Laboratory at NASA\u2019s Glenn Research Center in Cleveland. This soundproofed chamber ensures researchers can understand the level of noise the engine is producing, as well as keeping the volume low outside.<\/div>\n
NASA\/Bridget Caswell<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n

Located inside a high-tech NASA laboratory in Cleveland is something you could almost miss at first glance: a small-scale, fully operational jet engine to test new technology that could make aviation more sustainable<\/a>.\u00a0<\/p>\n

The engine\u2019s smaller size and modestly equipped test stand means researchers and engineers can try out newly designed engine components less expensively compared to using a more costly full-scale jet engine test rig.\u00a0<\/p>\n

Named DGEN380 Aero-Propulsion Research Turbofan<\/a>, or DART, the engine is tiny enough to fit on a kitchen table, measuring at just 4.3 feet (1.3 meters) long. That\u2019s about half the length of engines used on single-aisle airliners.\u00a0<\/p>\n

DART \u2013 not to be confused with NASA\u2019s asteroid redirect mission of the same name<\/a> \u2013 enables the agency to boost its sustainable aviation technology research because of its accessibility.\u00a0\u00a0<\/p>\n

A hidden gem located inside the Aero-Acoustic Propulsion Laboratory at NASA\u2019s Glenn Research Center<\/a> in Cleveland, the DART engine was made by a French company named Price Induction (now Akira) and was acquired by NASA in 2017.\u00a0<\/p>\n

\u201cDART\u2019s small size makes it appealing,\u201d said Dan Sutliff, who coordinates research for the engine at NASA Glenn. \u201cIt\u2019s a great way to explore new technology that hasn\u2019t yet reached the level of a full-scale operation.\u201d\u00a0<\/p>\n

Small Steps Towards Big Goals<\/h3>\n

Several key NASA activities studying jet engines used DART in the past.\u00a0<\/p>\n

For example, it helped researchers learn more<\/a> about incorporating materials that can help reduce engine noise. These technologies could be incorporated for use in next-generation airliners to make them quieter.\u00a0<\/p>\n

Now, NASA researchers plan to use the DART engine to investigate ideas that could help develop new ultra-efficient airliners<\/a> for use during the 2030s and beyond. If all goes well, the technology could proceed to more exhaustive tests involving larger facilities such as NASA\u2019s wind tunnels.\u00a0<\/p>\n

\u201cDART is a critical bridge between a design and a wind tunnel test,\u201d Sutliff said. \u201cTechnologies that work well here have a greater chance of achieving successful inclusion on future aircraft engines. The test rig helps NASA save resources and contribute to protecting our environment.\u201d\u00a0<\/p>\n

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\"Two<\/a><\/figure>
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DART tests are run from the Mobile Control Unit \u2013 a large van converted into a high-tech control facility with video monitors reporting live data from the engine. In this image, two engineers supervise an engine test, with the nearest researcher operating DART\u2019s thrust lever.<\/div>\n
NASA\/Bridget Caswell<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n

Among its features, DART has a high bypass ratio, which is a measure of how much air passes through the turbofan and around the main core of the engine as opposed to entering it. Having a high bypass ratio means that DART is more characteristic of larger high-bypass ratio engines on commercial aircraft.\u00a0<\/p>\n

This design is more fuel efficient than other jet engines and makes DART ideal for testing new propulsion methods alongside NASA\u2019s efforts in developing a small-core, fuel efficient jet engine <\/a>for commercial airliners in the 2030s.\u00a0<\/p>\n

The DART engine also can test many other aspects of a jet engine including engine noise, operating controls, coatings used to protect engine parts, sensors and other instrumentation, and much more.\u00a0<\/p>\n

More information can be found on NASA\u2019s Aero-Acoustic Propulsion Laboratory webpage<\/a>.\u00a0<\/p>\n<\/p>\n

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About the Author<\/h3>\n<\/div>\n<\/div>\n
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\"John<\/div>\n
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John Gould<\/h2>\n<\/div>\n
Aeronautics Research Mission Directorate<\/div>\n
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John Gould is a member of NASA Aeronautics’ Strategic Communications team at NASA Headquarters in Washington, DC. He is dedicated to public service and NASA\u2019s leading role in scientific exploration. Prior to working for NASA Aeronautics, he was a spaceflight historian and writer, having a lifelong passion for space and aviation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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