Measurements on supersonic free jets

L.J.F. Broer; J.A. Rietdijk

doi:10.1007/BF00382225

Measurements on supersonic free jets

L.J.F. Broer, J.A. Rietdijk

Applied Physics and Science Education

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Abstract

An experimental study of round supersonic air jets discharging into quiescent air is described. The initial stagnation enthalpy of the jets was equal to that of the atmosphere. Most of the experiments concerned a fully expanded jet with initial Mach number M I =1.74. From the experimental results the turbulent Prandtl number and the turbulent coefficient of momentum transfer could be calculated in a large part of the mixing zone of the jets. A mixing parameter K has been introduced and calculated for the jets. The results of this investigation are compared with those obtained for low-speed jets. Fulltext Preview

Original language	English
Pages (from-to)	465-477
Journal	Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods
Volume	9
Issue number	1
DOIs	https://doi.org/10.1007/BF00382225
Publication status	Published - 1960

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abstract = "An experimental study of round supersonic air jets discharging into quiescent air is described. The initial stagnation enthalpy of the jets was equal to that of the atmosphere. Most of the experiments concerned a fully expanded jet with initial Mach number M I =1.74. From the experimental results the turbulent Prandtl number and the turbulent coefficient of momentum transfer could be calculated in a large part of the mixing zone of the jets. A mixing parameter K has been introduced and calculated for the jets. The results of this investigation are compared with those obtained for low-speed jets. Fulltext Preview",

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AU - Broer, L.J.F.

AU - Rietdijk, J.A.

PY - 1960

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N2 - An experimental study of round supersonic air jets discharging into quiescent air is described. The initial stagnation enthalpy of the jets was equal to that of the atmosphere. Most of the experiments concerned a fully expanded jet with initial Mach number M I =1.74. From the experimental results the turbulent Prandtl number and the turbulent coefficient of momentum transfer could be calculated in a large part of the mixing zone of the jets. A mixing parameter K has been introduced and calculated for the jets. The results of this investigation are compared with those obtained for low-speed jets. Fulltext Preview

AB - An experimental study of round supersonic air jets discharging into quiescent air is described. The initial stagnation enthalpy of the jets was equal to that of the atmosphere. Most of the experiments concerned a fully expanded jet with initial Mach number M I =1.74. From the experimental results the turbulent Prandtl number and the turbulent coefficient of momentum transfer could be calculated in a large part of the mixing zone of the jets. A mixing parameter K has been introduced and calculated for the jets. The results of this investigation are compared with those obtained for low-speed jets. Fulltext Preview

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DO - 10.1007/BF00382225

M3 - Article

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JO - Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods

JF - Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods

IS - 1

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Measurements on supersonic free jets

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