Shock angle calculator

Conical flow calculator by Stephen . The gas is assumed to be ideal air. If the deflection is too high, or the Mach too low, a normal shock occurs. Shock Angle is the angle of the shock wave.

The static and total pressure ratio are liste followed by the temperature and density ratios.

Compute compressible aerodynamics properties using isentropic, normal shock , or oblique shock relations.

If the analysis is of an oblique shockwave, enter an angle in the appropriate box and select that angle by checking the checkbox.

Isentropic Flow Relations Calculator computer the pressure, density and temperature ratios in an isentropic flow to zero velocity and sonic conditions. You can also select Mach angle . INPUT: M= Turn angle (weak shock ), Turn angle (strong shock ), Wave angle , M1n. Oblique Shock Relations Perfect Gas, Gamma = , angles in degrees.

Determine the velocity components Vr and Vtheta immediately . For any root (tanβ)k is written . In these tables, the are tabulated starting at the cone . The oblique shock problem has an additional degree of freedom in specifying the problem. However it is not so clear what to do if the flow has great gradient . Therefore in order to calculate Mfor an oblique shock the following steps should be followed. If the wedge angle is less than this detachment angle , an attached oblique shock occurs and the equations are slightly modified. If the speed of the object is much less than the speed of sound of the gas, the density of the gas remains constant and the flow of gas can be described by conserving momentum and energy.

Mach number and the flow deflection angle. As the speed of the object increases towards . Since the flow in zone is parallel to wedge a, it strikes the solid wall at angle a as shown by the white dashed line. Step 1: A given shock wave will be assumed. The flow in zone is parallel to the solid . Step2: The particular cone that supports the given shock will be calculated. This means, calculate the cone angle which supports this shock wave angle.

Compare this cone angle with the known cone angle. We can evaluate the pressure at any point on the object using this method. This calculation is strictly based on the local surface inclination or flow deflection angle.