Question

It has a 2000 cm ^ 3 4-stroke Diesel engine built with a compression ratio of 22 and operates with a 1.8 cutoff ratio:

initial T= 25 °C

p=100[kpa]

Questions:

1.Maximum cycle temperature

2. total work in cycle (KJ / rev)

3.Theoretical power that delivers if it rotates at 2300 rpm

4 Draw p-v and T-S diagram for the cycle

Answer #1

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a) Determine the thermal efficiency.
b) Determine the specific fuel consumption. (kg/kJ)
c) What-if Scenario: What would the
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* b) Torque [N-m]
* c) Brake mean effective pressure [kPa]
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1) An air-standard Otto cycle has a compression ratio of 9. At
the beginning of the compression process, the temperature is 20°C,
and the pressure is 100 kPa. The heat added is 500 kJ/kg. Determine
the cycle efficiency, work output, and the heat rejected
2) An air-standard Otto cycle operates with a minimum
temperature of 300 K and a maximum temperature of 1700 K. The
compression ratio of the cycle is 7. At the beginning of the
compression process, the...

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2,400 RPM. Fuel injection 20o bTDC
From 5o Up to aTDC. The engine's volumetric efficiency
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used is diesel, and the theoretical air-fuel ratio of diesel is
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(1) The fuel injection angle is 25o. Corresponding fuel injection
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(2) Mass of air supplied to one cylinder for one cycle using
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An inventor proposes a four-stroke cycle running on helium. The
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processes can be approximated as below:
1- 2 isentropic compression
2- 3 constant volume heat addition
3- 4 isentropic expansion
4- 1 constant pressure heat removal
a. Plot P-v and T-s diagrams for this cycle.
b. Determine state conditions at the end...

The following data were collected from a 4-cylinder compression
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A four-cylinder, four-stroke engine is built
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At the beginning of the compression process, the
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The temperature and pressure are 330 K and 1.5
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(4-stroke engine, 2 rotations per cycle, MW of air = 28.97
kg/kmol)
If the engine...

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the beginning of the compression process, the temperature is 20°C,
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11)An air-standard Otto cycle operates with a minimum
temperature of 300 K and a maximum temperature of 1700 K. The
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