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NASA Technical Reports Server (NTRS) 19940032180: Experimental inve... |
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by NASA Technical Reports Server (NTRS) |
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Much of the work involved the Ames 16-Inch Shock Tunnel |
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facility. The facility was reactivated and upgraded, a |
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data acquisition system was configured and upgraded |
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several times, several facility calibrations were |
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performed and test entries with a wedge model with |
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hydrogen injection and a full scramjet combustor model, |
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with hydrogen injection, were performed. Extensive CFD |
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modeling of the flow in the facility was done. This |
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includes modeling of the unsteady flow in the driver and |
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driven tubes and steady flow modeling of the nozzle flow. |
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Other modeling efforts include simulations of non- |
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equilibrium flows and turbulence, plasmas, light gas guns |
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and the use of non-ideal gas equations of state. New |
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experimental techniques to improve the performance of gas |
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guns, shock tubes and tunnels and scramjet combustors |
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were conceived and studied computationally. Ways to |
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improve scramjet engine performance using steady and |
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pulsed detonation waves were also studied |
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computationally. A number of studies were performed on |
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the operation of the ram accelerator, including |
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investigations of in-tube gasdynamic heating and the use |
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of high explosives to raise the velocity capability of |
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the device. |
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Date Published: 2016-10-07 18:02:03 |
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Identifier: NASA_NTRS_Archive_19940032180 |
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Item Size: 24178028 |
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Language: english |
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Media Type: texts |
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