A compact shock-assisted free-piston driver for impulse facilities |
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| Authors: | MA Kendall RG Morgan PA Jacobs |
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| Institution: | (1) Department of Mechanical Engineering, The University of Queensland, Brisbane 4072, Australia , AU |
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| Abstract: | A free-piston driver that employs entropy-raising shock processes with diaphragm rupture has been constructed, which promises
significant theoretical advantages over isentropic compression. Results from a range of conditions with helium and argon driver
gases are reported. Significant performance gains were achieved in some test cases. Heat losses are shown to have a strong
effect on driver processes. Measurements compare well with predictions from a quasi-one-dimensional numerical code.
Received 7 September 1996 / Accepted 5 October 1996 |
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| Keywords: | : Free-piston driver Impulse facility Shock waves Heat transfer Hypervelocity flow |
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