The typical momentum theory applied in BEM is only effective for axial induction factors up to 0.4 ( thrust coefficient of 0.96 ).
2.
Hey, can anyone tell me the expression for Thrust Coefficient and Power Coefficient for a propeller in terms of Re, Mach Number and J ? "'
3.
The first one is the thrust coefficient of the rotor, which is the one which should be corrected for high rotor loading ( i . e ., for high values of a ), while the second one ( c _ t ) is the tangential aerodynamic coefficient of an individual blade element, which is given by the aerodynamic lift and drag coefficients.
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