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Kitty [74]
3 years ago
9

Energy transfer in mechanical systems: During steady-state operation, a mechanical gearbox receives 70 KW of input power through

the input shaft and delivers power through the output shaft. Considering the gearbox as a thermodynamic system, the rate of convection heat transfer generated during its operation is defined by: where h 0.171 kW/m2-K is the convection heat transfer coefficient, A 1.0 m is the outer surface area of the gearbox, T 300 K is the temperature of the outer surface, and T 293 K is the temperature of the surrounding air. For the gearbox, evaluate the heat transfer rate, 2, and the power delivered through the output shaft, W.

Engineering
1 answer:
Degger [83]3 years ago
3 0

Answer:

Heat transfer rate(Q)= 1.197kW

Power output(W)=68.803kW

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3 years ago
Exceeding critical mach may result in the onset of compressibility effects such as:______.
klio [65]

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Sound barrier.

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3 years ago
To put out a class D metal fire, you must _______ the fire.
gladu [14]

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<h3>What is a Class D fire?</h3>

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7 0
2 years ago
A closed system consisting of 4 lb of a gas undergoes a process during which the relation between pressure and volume is pVn 5 c
gayaneshka [121]

Answer:

V1=5<u>ft3</u>

<u>V2=2ft3</u>

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Explanation:

PART A:

the volume of each state is obtained by multiplying the mass by the specific volume in each state

V=volume

v=especific volume

m=mass

V=mv

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V1=m.v1

V1=4lb*1.25ft3/lb=5<u>ft3</u>

state 2

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PART B:

since the PV ^ n is constant we can equal the equations of state 1 and state 2

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3 0
3 years ago
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