First J-2X combustion stability test a success

(PhysOrg.com) -- NASA conducted a key stability test firing of the J-2X rocket engine Dec. 1, marking another step forward in development of the upper-stage engine that will carry humans farther into space than ever before. ...

Lasers measure jet disintegration

There are many processes, such as propulsion, in which fluid in a supercritical state, where the temperature and pressure put a substance beyond a distinguishable liquid or gas phase, is injected in an environment of supercritical ...

Model allows engineers to test fuel system efficiency on computers

(Phys.org) —Engineers will be able to design better fuel systems for everything from motorcycles to rockets faster and more inexpensively because of a mathematical fuels model developed at The University of Alabama in Huntsville.

NASA's J-2X engine kicks off 2012 with powerpack testing

(PhysOrg.com) -- A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA's Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring NASA one step ...

NASA surpasses test facility record with J-2X powerpack test

(Phys.org) -- NASA's Stennis Space Center near Bay St. Louis, Miss., broke its own record Friday when it conducted a test on the new J-2X powerpack. The test lasted for 1,150 seconds, surpassing the previous record by more ...

Researchers explore advantages of ported shroud turbochargers

(Phys.org) —The federal government wants more fuel-efficient vehicles on the country's highways and back roads, which often comes at the cost of reduced engine size and power. That can be hard to reconcile with a population ...

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