VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE.

Denz Lee, M. Sichel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The gas temperature and velocity may increase or decrease in the relaxation zone following a normal shock wave propagating through a dusty gas. In the case of combustible dust gas mixtures the temperature variation is important since it determines the induction time prior to the onset of combustion. The equations governing the flow in the relaxation region behind the shock are solved for the logarithmic derivatives du/u and dT/T for the gas velocity and temperature. Criteria which determine the signs of du and dT in the relaxation zone are derived from these solutions. The signs of du and dT are found to depend mainly on d(CT//p)/D(u//p**2/2), the rate of change of particle thermal energy with respect to particle kinetic energy.

Original languageEnglish
Title of host publicationComputers in Engineering, Proceedings of the International Computers in Engineering Conference and
PublisherASME
Pages267-271
Number of pages5
Volume3
Publication statusPublished - 1986

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Shock waves
Derivatives
Gases
Thermal energy
Gas mixtures
Kinetic energy
Temperature
Dust

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Lee, D., & Sichel, M. (1986). VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE. In Computers in Engineering, Proceedings of the International Computers in Engineering Conference and (Vol. 3, pp. 267-271). ASME.
Lee, Denz ; Sichel, M. / VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE. Computers in Engineering, Proceedings of the International Computers in Engineering Conference and. Vol. 3 ASME, 1986. pp. 267-271
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Lee, D & Sichel, M 1986, VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE. in Computers in Engineering, Proceedings of the International Computers in Engineering Conference and. vol. 3, ASME, pp. 267-271.

VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE. / Lee, Denz; Sichel, M.

Computers in Engineering, Proceedings of the International Computers in Engineering Conference and. Vol. 3 ASME, 1986. p. 267-271.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The gas temperature and velocity may increase or decrease in the relaxation zone following a normal shock wave propagating through a dusty gas. In the case of combustible dust gas mixtures the temperature variation is important since it determines the induction time prior to the onset of combustion. The equations governing the flow in the relaxation region behind the shock are solved for the logarithmic derivatives du/u and dT/T for the gas velocity and temperature. Criteria which determine the signs of du and dT in the relaxation zone are derived from these solutions. The signs of du and dT are found to depend mainly on d(CT//p)/D(u//p**2/2), the rate of change of particle thermal energy with respect to particle kinetic energy.

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Lee D, Sichel M. VELOCITY AND TEMPERATURE DERIVATIVES IN THE TWO PHASE RELAXATION ZONE BEHIND A SHOCK WAVE. In Computers in Engineering, Proceedings of the International Computers in Engineering Conference and. Vol. 3. ASME. 1986. p. 267-271