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Shock-tube study of relaxation in HCN
The Journal of Chemical Physics, 2008Thermal vibrational relaxation in HCN mixtures with Kr has been observed with the laser-schlieren technique. The experiments cover the temperatures 750–2900K and a large pressure range of 13–420Torr in 5% and 20% HCN∕Kr mixtures. Relaxation is extremely fast but appears to occur in two well-separated stages that are assigned to the vibrational ...
N K, Srinivasan, K S, Gupte, J H, Kiefer
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The Physics of Fluids, 1966
Simple theoretical derivation is given of the empirical formula of Emrich and Wheeler which enables one to calculate the shock wave attenuation due to boundary layer effect from the initial pressure conditions in a shock tube.
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Simple theoretical derivation is given of the empirical formula of Emrich and Wheeler which enables one to calculate the shock wave attenuation due to boundary layer effect from the initial pressure conditions in a shock tube.
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2013
A shock tube is a device in which a shock wave is normally formed by the rupture of a diaphragm, which divides a gas at high pressure from a test section containing the species of interest at a lower pressure. The shock wave brings the test gas virtually instantaneously to a known high temperature and pressure, maintains that condition for a time and ...
Kenji Yasunaga, Robert S. Tranter
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A shock tube is a device in which a shock wave is normally formed by the rupture of a diaphragm, which divides a gas at high pressure from a test section containing the species of interest at a lower pressure. The shock wave brings the test gas virtually instantaneously to a known high temperature and pressure, maintains that condition for a time and ...
Kenji Yasunaga, Robert S. Tranter
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Zeitschrift für Elektrochemie, Berichte der Bunsengesellschaft für physikalische Chemie, 1957
AbstractA qualitative survey of one‐dimensional shock‐tube theory is presented first. The concepts discussed include: 1. the contact surface, 2. the incident and reflected shock wave, 3. the rarefaction wave, 4. interactions between shock and rarefaction waves, and 5.
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AbstractA qualitative survey of one‐dimensional shock‐tube theory is presented first. The concepts discussed include: 1. the contact surface, 2. the incident and reflected shock wave, 3. the rarefaction wave, 4. interactions between shock and rarefaction waves, and 5.
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Standing Shock Formation in a Non-reflected Shock Tube
2012Pilot tests have been performed on a shock tube to create a standing shock for the study of radiation in shock layers, by the addition of a ‘deceleration’ tube at the exit of a shock tube. Preliminary results at an enthalpy of 43 MJ/kg indicate that a stable standing shock can be formed, and can give a much larger slug of shock heated gas than can be ...
Morgan, R. G. +2 more
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1954
The feasibility of using a shock tube for quantitative investigations of hypersonic flow phenomena at temperatures simulating free flight conditions is studied theoretically and experimentally. In the theoretical part, various aspects of the hypersonic shock tube problem are treated in logical order.
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The feasibility of using a shock tube for quantitative investigations of hypersonic flow phenomena at temperatures simulating free flight conditions is studied theoretically and experimentally. In the theoretical part, various aspects of the hypersonic shock tube problem are treated in logical order.
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1968
Publisher Summary This chapter discusses the nature of shock-tube flows with emphasis on their capabilities and limitations. Existing instrumentation for measuring the state of the shock-processed gas sample will be described and many examples of the application of shock tubes in studying the physics and chemistry of high temperature gases will be ...
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Publisher Summary This chapter discusses the nature of shock-tube flows with emphasis on their capabilities and limitations. Existing instrumentation for measuring the state of the shock-processed gas sample will be described and many examples of the application of shock tubes in studying the physics and chemistry of high temperature gases will be ...
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Methane and n-hexane ignition in a newly developed diaphragmless shock tube
Combustion and Flame, 2023Janardhanraj Subburaj +2 more
exaly