VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES.

Valerie J. Lyons, Janice Marie Margle

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Velocity profiles in vertical laminar diffusion flames were measured by using laser Doppler velocimetry (LDV). Four fuels were used: n-heptane, iso-octane, cyclohexane, and ethyl alcohol. The velocity profiles were similar for all the fuels, although there were some differences in the peak velocities. The data compared favorably with the theoretical velocity predictions. The differences could be attributed to errors in experimental positioning and in the prediction of temperature profiles. Errors in the predicted temperature profiles are probably due to the difficulty in predicting the radiative heat losses from the flame.

Original languageEnglish (US)
Title of host publicationNASA Technical Paper
StatePublished - May 1 1986

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Heptane
Cyclohexane
Heat losses
Velocity measurement
Ethanol
Temperature
Lasers

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

Lyons, V. J., & Margle, J. M. (1986). VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES. In NASA Technical Paper
Lyons, Valerie J. ; Margle, Janice Marie. / VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES. NASA Technical Paper. 1986.
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Lyons, VJ & Margle, JM 1986, VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES. in NASA Technical Paper.

VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES. / Lyons, Valerie J.; Margle, Janice Marie.

NASA Technical Paper. 1986.

Research output: Chapter in Book/Report/Conference proceedingChapter

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N2 - Velocity profiles in vertical laminar diffusion flames were measured by using laser Doppler velocimetry (LDV). Four fuels were used: n-heptane, iso-octane, cyclohexane, and ethyl alcohol. The velocity profiles were similar for all the fuels, although there were some differences in the peak velocities. The data compared favorably with the theoretical velocity predictions. The differences could be attributed to errors in experimental positioning and in the prediction of temperature profiles. Errors in the predicted temperature profiles are probably due to the difficulty in predicting the radiative heat losses from the flame.

AB - Velocity profiles in vertical laminar diffusion flames were measured by using laser Doppler velocimetry (LDV). Four fuels were used: n-heptane, iso-octane, cyclohexane, and ethyl alcohol. The velocity profiles were similar for all the fuels, although there were some differences in the peak velocities. The data compared favorably with the theoretical velocity predictions. The differences could be attributed to errors in experimental positioning and in the prediction of temperature profiles. Errors in the predicted temperature profiles are probably due to the difficulty in predicting the radiative heat losses from the flame.

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Lyons VJ, Margle JM. VELOCITY PROFILES IN LAMINAR DIFFUSION FLAMES. In NASA Technical Paper. 1986