COMBUSTION DUAL
問題一覧
1
An Ideal Dual Combustion cycle operates on 500 gram of air. At the beginning of the compression, the air is at 100 kPa, 45°C. If rp=1.5 rc= 1.65, and rk=10, determine the cycle efficiency.
56.88
2
The pressure ratio during the constant volume portion of combustion in a Dual Combustion engine is 1.5. If the pressure at the end of the constant volume addition of heat is 4, what is the pressure at the beginning?
2.67
3
At the beginning of compression in an ideal dual combustion cycle, the working fluid is 2 lbs of air at 14.7 psia and 85°F. The compression ratio is 8.5, the pressure at the end of the constant volume addition of heat is 450 psia, and there are added 105 BTU during the constant pressure expansion. Find the pressure ratio and the percentage clearance?
1.53 and 13.33%
4
An ideal dual combustion cycle operates on 0.60 kg of air. Find the cycle efficiency if the compression ratio is 12, pressure ratio is 1.6, cut-off ratio 1.5 and k=1.3
50.71
5
What is the pressure ratio in an ideal combustion cycle if the pressures at the beginning and end of the constant volume portion of combustion are 2500 kPa and 4000 kPa respectively.
1.6
6
In an ideal dual combustion cycle if the cut-off ratio is 1.5 and the volume at the beginning of the constant pressure portion of combustion is 0.055m^{3}, what is the volume at the end of combustion.
.0825
7
At the beginning of compression in an ideal dual combustion cycle, the working fluid is at 90°F. If the pressure ratio and compression ratio are 1.6 and 13 respectively, what is the temperature at the beginning of the constant pressure portion of combustion.
1995
8
An ideal dual combustion cycle operates on 0.65 kg of air. At the beginning of compression, the air is at 100 kPa, 45°C. Determine the volume at the end of compression if net work is 300 kJ and the mean effective pressure is 700 kPa
.16
9
In an ideal dual combustion cycle, what is the pressure at the beginning of constant pressure combustion if the pressure ratio is 1.4 and the pressure at the beginning of the constant volume portion of combustion is 2500 kPa.
3500
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12問 • 1年前問題一覧
1
An Ideal Dual Combustion cycle operates on 500 gram of air. At the beginning of the compression, the air is at 100 kPa, 45°C. If rp=1.5 rc= 1.65, and rk=10, determine the cycle efficiency.
56.88
2
The pressure ratio during the constant volume portion of combustion in a Dual Combustion engine is 1.5. If the pressure at the end of the constant volume addition of heat is 4, what is the pressure at the beginning?
2.67
3
At the beginning of compression in an ideal dual combustion cycle, the working fluid is 2 lbs of air at 14.7 psia and 85°F. The compression ratio is 8.5, the pressure at the end of the constant volume addition of heat is 450 psia, and there are added 105 BTU during the constant pressure expansion. Find the pressure ratio and the percentage clearance?
1.53 and 13.33%
4
An ideal dual combustion cycle operates on 0.60 kg of air. Find the cycle efficiency if the compression ratio is 12, pressure ratio is 1.6, cut-off ratio 1.5 and k=1.3
50.71
5
What is the pressure ratio in an ideal combustion cycle if the pressures at the beginning and end of the constant volume portion of combustion are 2500 kPa and 4000 kPa respectively.
1.6
6
In an ideal dual combustion cycle if the cut-off ratio is 1.5 and the volume at the beginning of the constant pressure portion of combustion is 0.055m^{3}, what is the volume at the end of combustion.
.0825
7
At the beginning of compression in an ideal dual combustion cycle, the working fluid is at 90°F. If the pressure ratio and compression ratio are 1.6 and 13 respectively, what is the temperature at the beginning of the constant pressure portion of combustion.
1995
8
An ideal dual combustion cycle operates on 0.65 kg of air. At the beginning of compression, the air is at 100 kPa, 45°C. Determine the volume at the end of compression if net work is 300 kJ and the mean effective pressure is 700 kPa
.16
9
In an ideal dual combustion cycle, what is the pressure at the beginning of constant pressure combustion if the pressure ratio is 1.4 and the pressure at the beginning of the constant volume portion of combustion is 2500 kPa.
3500