S/N

Particulars

Equation

Calculated

Adopted

Remark

1

Pulley Pitch diameters, Turbine/Alternator (mm)

$D_p=1200\sqrt[\begin{array}{l}3\\ \end{array}]{\frac{P}{N}}$

179.26

280.00

100.00

IS:2122 (Part I)-1973

2

Belt nominal pitch length (mm)

$L_p=\frac{\pi }{2}\left(D_{1p}+D_{2p}\right)+2C+\frac{{\left(D_{1p}-D_{2p}\right)}^2}{4C}$

1300.73

1331.00

IS:2494-1974

3

Actual pulleys center-center (mm)

$A+\sqrt{A^2-B}$

355.66

356

IS:2494-1974

4

Groove angle for V-Belt

$2\beta$

40^o

IS:3142-1965

5

Angle of contact (radian)

$\theta =2{\cos }^{-1}\left[\frac{D_{1p}-D_{2p}}{2C}\right]$

2.63

2.63

6

Centrifugal Tension (N)

$F_c={\rho }_b\cdot V_b\cdot A_b$

80.28

80.28

IS:9515-1980

7

Number of Belt, $n_b$

$n_b\left(F_i-F_c\right)\left[\frac{{\text{e}}^{\mu \theta }-1}{{\text{e}}^{\mu \theta }}\right]=\frac{{10}^{3}P\cdot k_a}{V_b}$

2.46

3

IS:9517-1980