Find the brake power, total friction power, total friction imep, and pumping imep for a 0.496 L, four-stroke cycle SI engine operating at 1800 rpm with a measured brake torque of 32 Nm, a gross imep of 933 kPa, and a net imep of 922 kP

break power = 6.031 kW

indicated power = 6.859 kW

total frictional power = 0.827 kW

total friction imep  = 111.26 kpa

Explanation:

given data

Vd = 0.496 L

revolving =  1800 rpm

brake torque T = 32 Nm

gross imep = 933 kPa

net imep = 922 kP

solution

first we get here break power that is

break power =    ............1

put here value we get

break power =  

break power = 6.031 kW

and

indicated power will be

indicated power =   ..........2

put here value

indicated power =

indicated power = 6.859 kW

and

total frictional power will be

total frictional power = indicated power - break power   .......3

total frictional power = 6.859 - 6.031

total frictional power = 0.827 kW

and

total friction imep will be

total friction imep =   ..........4

put here value

total friction imep  =  

total friction imep  = 111.26 kpa

answer:

the answer is d

explanation:

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