# HW14sols - Problem 13.66 Given Normal shock due to...

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Problem 13.66 [Difficulty: 3] ( V s ) ( V s V Shock speed V s Shift coordinates: V Shock at rest Given: Normal shock due to explosion Find: Shock speed; temperature and speed after shock Solution: Basic equations: M 2 2 M 1 2 2 k1 2k M 1 2 1 VM c Mk R T T 2 T 1 1 2 M 1 2 kM 1 2 2 2 2 M 1 2 p 2 p 1 M 1 2 Given or available data k 1.4 R 286.9 J kg K p 2 30 MPa p 1 101 kPa T 1 20 273 () K From the pressure ratio M 1 p 2 p 1 M 1 16.0 Then we have T 2 T 1 1 2 M 1 2 1 2 2 2 2 M 1 2 T 2 14790 K T 2 14517 °C M 2 M 1 2 2 M 1 2 1 M 2 0.382 Then the speed of the shock ( V s = V 1 ) is V 1 M 1

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## This note was uploaded on 09/05/2011 for the course EGN 3353C taught by Professor Lear during the Spring '07 term at University of Florida.

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HW14sols - Problem 13.66 Given Normal shock due to...

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