Question

At a point in the flow over a high-speed missile, the local velocity and temperature are 1000 m/s and 300 K, respectively. Calculate the Mach number M and the characteristic Mach number M* at this point.

          At a point in the flow over a high-speed missile, the local velocity and temperature are 1000 m/s and 300 K, respectively. Calculate the Mach number M and the characteristic Mach number M* at this point.
        

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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At a point in the flow over a high-speed missile, the local velocity and temperature are 1000 m/s and 300 K, respectively. Calculate the Mach number M and the characteristic Mach number M* at this point.
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Transcript

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00:02 In the given question, it is given that the temperature, the temperature is 320 kelvin and the velocity at some point of flow is 1 ,000 meter per second.
00:22 Now the speed of sound at local medium will be determined using this formula which says, is c is equals to gamma rt.
00:38 Here gamma is the specific heat constant ratio which is 1 .4 for air and r is the specific gas constant whose value is 287 joules per kj per kelvin and the value of temperature is given in kelvin as 320 kelvin.
01:04 We will substitute all this value here to all this value here to all obtain the value of c, that is the speed of sound local medium, the heat is the value of gamma.
01:18 This is the value of specific gas constant.
01:24 This is the value of the absolute temperature...
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