Free-jet tests of a 1.1-inch-diameter supersonic ram-jet engine

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Description

Results are presented of free-jet tests of a 1.1-inch-diameter hydrogen-burning ram-jet engine over a Mach number range from 1.42 to 2.28 and a Reynolds number range from 6.01 times 10 to the 6th power to 15.78 times 10 to the 6th power. Tests demonstrated the reliability and wide operating range of the engine and showed its suitability for installation on wind-tunnel models of airplane and missile configurations. A comparison of engine operation with combustion-chamber lengths of 3.33 and 1.51 engine diameters was made at a Mach number of 2.06. A maximum test thrust coefficient of 0.905 was obtained at fuel-air ... continued below

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24 p. : ill.

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Judd, Joseph H. & Trout, Otto F., Jr. February 1957.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and one other and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 101 times . More information about this report can be viewed below.

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  • Main Title: Free-jet tests of a 1.1-inch-diameter supersonic ram-jet engine
  • Series Title: NACA Technical Notes

Description

Results are presented of free-jet tests of a 1.1-inch-diameter hydrogen-burning ram-jet engine over a Mach number range from 1.42 to 2.28 and a Reynolds number range from 6.01 times 10 to the 6th power to 15.78 times 10 to the 6th power. Tests demonstrated the reliability and wide operating range of the engine and showed its suitability for installation on wind-tunnel models of airplane and missile configurations. A comparison of engine operation with combustion-chamber lengths of 3.33 and 1.51 engine diameters was made at a Mach number of 2.06. A maximum test thrust coefficient of 0.905 was obtained at fuel-air ratio of 0.034 and a Mach number of 2.06 for the engine with the 3.33-diameter combustion chamber.

Physical Description

24 p. : ill.

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  • Accession or Local Control No: 93R14086
  • URL: http://hdl.handle.net/2060/19930084796 External Link
  • Report No.: NACA-TN-3906
  • Center for AeroSpace Information Number: 19930084796
  • Archival Resource Key: ark:/67531/metadc56492

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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  • February 1957

Added to The UNT Digital Library

  • Nov. 17, 2011, 10:13 p.m.

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  • May 29, 2018, 2:03 p.m.

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Judd, Joseph H. & Trout, Otto F., Jr. Free-jet tests of a 1.1-inch-diameter supersonic ram-jet engine, report, February 1957; (digital.library.unt.edu/ark:/67531/metadc56492/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.