Performance of several combustion chambers designed for aircraft oil engines

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Description

Several investigations have been made on single-cylinder test engines to determine the performance characteristics of four types of combustion chambers designed for aircraft oil engines. Two of the combustion chambers studied were bulb-type precombustion chambers, the connecting orifice of one having been designed to produce high turbulence by tangential air flow in both the precombustion chamber and the cylinder. The other two were integral combustion chambers, one being dome-shaped and the other pent-roof shaped. The injection systems used included cam and eccentric driven fuel pumps, and diaphragm and spring-loaded fuel-injection valves. A diaphragm type maximum cylinder pressure indicator was used ... continued below

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Joachim, William F. & Kemper, Carlton 1928.

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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 158 times . More information about this report can be viewed below.

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  • Main Title: Performance of several combustion chambers designed for aircraft oil engines
  • Series Title: NACA Technical Reports

Description

Several investigations have been made on single-cylinder test engines to determine the performance characteristics of four types of combustion chambers designed for aircraft oil engines. Two of the combustion chambers studied were bulb-type precombustion chambers, the connecting orifice of one having been designed to produce high turbulence by tangential air flow in both the precombustion chamber and the cylinder. The other two were integral combustion chambers, one being dome-shaped and the other pent-roof shaped. The injection systems used included cam and eccentric driven fuel pumps, and diaphragm and spring-loaded fuel-injection valves. A diaphragm type maximum cylinder pressure indicator was used in part of these investigations with which the cylinder pressures were controlled to definite valves. The performance of the engines when equipped with each of the combustion chambers is discussed. The best performance for the tests reported was obtained with a bulb-type combustion chamber designed to give a high degree of turbulence within the bulb and cylinder. (author).

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  • Accession or Local Control No: 93R20640
  • URL: http://hdl.handle.net/2060/19930091350 External Link
  • Report No.: NACA-TR-282
  • Center for AeroSpace Information Number: 19930091350
  • Archival Resource Key: ark:/67531/metadc65935

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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).

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  • 1928

Added to The UNT Digital Library

  • Nov. 17, 2011, 10:13 p.m.

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  • April 13, 2018, 1:03 p.m.

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Joachim, William F. & Kemper, Carlton. Performance of several combustion chambers designed for aircraft oil engines, report, 1928; (digital.library.unt.edu/ark:/67531/metadc65935/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.