Calculation of the tangential forces in a turbine blade

AI Thread Summary
To calculate the tangential force on a turbine blade in ANSYS, the formula Ft=(1000*P)/(e*v*z) can be used, where P is the stage power in kW, e is the partiality degree, v is the circumferential velocity in m/s, and z is the number of blades. Given the operating speed of 3000 RPM and stage power of 1413 kW with 45 blades, the circumferential velocity must be determined to complete the calculation. The axial load of 5544 N is also relevant for overall analysis but does not directly affect the tangential force calculation. This approach provides a structured method to derive the tangential force necessary for static analysis. Accurate input values are essential for reliable results in turbine blade analysis.
Alex734
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Dear All,

I am trying to perform the static analysis of turbine blade in ANSYS. And i have a problem with finding the values of tangential force. How can i find it, if have following data: operating speed - 3000 RPM, stage power - 1413 kW, axial load 5544 N, number of blades - 45.

Thanks a lot!
 

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Engineering news on Phys.org
I found this equation. Maybe it can help for someone.
Tangential force Ft can be found using the following formula:
Ft=(1000*P)/(e*v*z), [N];
where: P - stage power, [kW];
e - partiality degree;
v - circumferential velocity in the middle of the height of the blades, [m/s];
z - number of blades.
 
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