General Introduction

  • Gabi Ben-Dor


When a shock wave propagating in a medium having a given acoustic impedance obliquely encounters another medium, having a different acoustic impedance, it experiences a reflection which is known in the literature as oblique shock wave reflection.


Shock Wave Incident Shock Wave Reflection Point Mach Stem Mach Reflection 
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List of Symbols

Latin Letters


enthalpy in state (i)


flow Mach number in state (i)


incident shock wave Mach number


static pressure in state (i)


static temperature in state (i)


flow velocity in state (i) with respect to R in RR or T in MR.


flow velocity in state (i) in a laboratory frame of reference


incident shock wave velocity in a laboratory frame of reference

Greek Letters


specific heat capacities ratio


maximum flow deflection angle for a flow having Mach number M through an oblique shock wave


deflection angle of the flow while passing across an oblique shock wave into state (i)


reflecting wedge angle


flow density in state (i)


angle of incidence between the flow and the oblique shock wave across which the flow enters into state (i)

χ, χ’

first and second triple point trajectory angles, respectively.



flow state ahead of the incident shock wave, i.


flow state behind the incident shock wave, i.


flow state behind the reflected shock wave, r.


flow state behind the Mach stem, m.


maximum deflection





with respect to the reflection point R


strong solution


with respect to the triple point T


weak solution


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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Gabi Ben-Dor
    • 1
  1. 1.Department of Mechanical EngineeringBen-Gurion University of the NegevBeer-ShevaIsrael

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