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5 Isothermal Flow



$\displaystyle {P_{0} \over P_{0}^{*}} = {P \over P^{*}} \left[ {1 + { k -1 \ove...
... ^ {2} \over { 1 + {k -1 \over 2k} } } \right] ^ { k \over k -1 } %\label{eq:}
$ (55)

$\displaystyle {P_{0} \over P_{0}^{*}} = {1 \over \sqrt{k}} \left( {2k \over 3k-...
...left( 1 + {k -1 \over 2} M ^{2}\right)^{k \over k-1} { 1 \over M} %\label{eq:}
$ (56)



For the case that $ M_1 > > M_2$ and $ M_1 \rightarrow 1$ equation (58) is reduced into the following approximation


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