Treatment of Systematic Errors in Intrusive Concentration and Temperature Measurements
Pein, R. (2000) Treatment of Systematic Errors in Intrusive Concentration and Temperature Measurements. Combustion, Explosion, and Shock Waves, 36 (1), pp. 21-28.
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Typical systematic errors that are made during intrusive concentration and temperature measurements in combustion chambers are illustrated. To decrease the errors, it is necessary to ensure rapid quenching of combustion gases and freezing of the composition of combustion products. Analysis is performed using a simple analytic model for heat transfer in a sampling probe. Results are given in the form of temperature time dependences, temperature profiles, and quench rates inside the probe. The measurement results are validated on the basis of formulation of a meterial balance (conservation of number of atoms). The main errors of high-temerature thermocouple measurements are discussed in detail, with emphasis on the radiation correction.
|Title:||Treatment of Systematic Errors in Intrusive Concentration and Temperature Measurements|
|Journal or Publication Title:||Combustion, Explosion, and Shock Waves|
|In ISI Web of Science:||No|
|Page Range:||pp. 21-28|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L - no assignement|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L TT - Triebwerkstechnologien|
|DLR - Research theme (Project):||E -- no assignement|
|Institutes and Institutions:||Institute of Space Propulsion|
|Deposited By:||Monika Lohmiller|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 13:50|
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