Question
1). Air flows isentropically in a channel at section 1 the Ma = 0.3, area at section 1 is 0.001 m^2 and the absolute pressure
1). Air flows isentropically in a channel at section 1 the Ma = 0.3, area at section 1 is 0.001 m^2 and the absolute pressure and temperature are 650kPa and 62 degrees respectively. at section 2 the Ma is 0.8 . Find
a) channel shape
b) draw t-s diagram for the process
c) Properties at section 2
solve part c above for a compressible gas flow through a variable area duct by
i) Casting the 7 set of governing equations into differential form
ii) Cast the equations from i) in matrix form
i.e Ax = b
x= dependent properties you seek (differential form)
b= differential form of area term
A= coefficient matrix (influence coefficient)
iii) Solve the matrix in ii) by writing an appropriate C++ program that gives the properties at section required in the problem on top ( part c of Q1)
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