2012-10-25 22:45|Publisher:helloshigy|see:nine thousand seven hundred and seventy-nine|Comments: 0
abstract: according to the formula η m=Nh/N=(N-Nm)/N, where Nh -- hydraulic power, W; N -- shaft power, W; Nm -- mechanical loss power;η m - mechanical efficiency
Please enter the function in the following table format. Functions or expressions can be nested in the function For example: 3.14 * pow (5 * lg (4 * 8), 4+8 * sin (30)) The unit of trigonometric function is degree
