Problems-2 1- single cylinder single acting compressor has pressure and temperature at the section line of (100kPa) and (300K) respectively. The pressure at the end of the compression stroke is (800kPa). The volume of the stroke is (500cm³) and volume of clearance is (20cm³). The compression is according to PV1.25 C. Determine (1) volumetric efficiency, (2) the work done per kg of air (3) the power consumption, (4) isothermal efficiency.
Problems-2 1- single cylinder single acting compressor has pressure and temperature at the section line of (100kPa) and (300K) respectively. The pressure at the end of the compression stroke is (800kPa). The volume of the stroke is (500cm³) and volume of clearance is (20cm³). The compression is according to PV1.25 C. Determine (1) volumetric efficiency, (2) the work done per kg of air (3) the power consumption, (4) isothermal efficiency.
Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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![Problems-2
1- single cylinder single acting compressor has pressure and temperature at the section
line of (100kPa) and (300K) respectively. The pressure at the end of the compression
stroke is (800kPa). The volume of the stroke is (500cm') and volume of clearance is
(20cm'). The compression is according to PV25=C. Determine (1) volumetric
efficiency, (2) the work done per kg of air (3) the power consumption, (4) isothermal
efficiency.
2- atmospheric air at (100kPa) and (27°C) is compressed adiabatically in ideal
reciprocating compressor with single cylinder and single acting to a pressure of
(450kPa). The clearance volume is (5%) of the compression stroke. The compressor
70
compress (0.1kg) of air per cycle. Find the volumetric efficiency and the work done
on the compressor and the isothermal efficiency.
3- Air compressor is required to deal with atmospheric air at (105kPa) and (300K).
the temperature pressure of air at the end of the section line are (20°C) and (100kPa)
respectively. The air is compressed to (750kPa). The clearance volume is (3%) of the
stroke volume. Determine the volumetric efficiency and the work done if the
compression is according to (PV1 25)
4- Single cylinder double acting air compressor with stroke volume of (400cm') and
clearance volume of (20cm'). The pressure and temperature at the beginning of
compression stroke are (100kPa) and (300K). The pressure at the end of compression
is (700kPa). Determine the volumetric efficiency, the work done, isothermal
efficiency when the compression is according to (PV135-
3=C)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9f933381-6127-42ea-b87d-63633e0697d1%2F4ed11256-e055-4d99-a5af-b243eea2b316%2Fvmbzstg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problems-2
1- single cylinder single acting compressor has pressure and temperature at the section
line of (100kPa) and (300K) respectively. The pressure at the end of the compression
stroke is (800kPa). The volume of the stroke is (500cm') and volume of clearance is
(20cm'). The compression is according to PV25=C. Determine (1) volumetric
efficiency, (2) the work done per kg of air (3) the power consumption, (4) isothermal
efficiency.
2- atmospheric air at (100kPa) and (27°C) is compressed adiabatically in ideal
reciprocating compressor with single cylinder and single acting to a pressure of
(450kPa). The clearance volume is (5%) of the compression stroke. The compressor
70
compress (0.1kg) of air per cycle. Find the volumetric efficiency and the work done
on the compressor and the isothermal efficiency.
3- Air compressor is required to deal with atmospheric air at (105kPa) and (300K).
the temperature pressure of air at the end of the section line are (20°C) and (100kPa)
respectively. The air is compressed to (750kPa). The clearance volume is (3%) of the
stroke volume. Determine the volumetric efficiency and the work done if the
compression is according to (PV1 25)
4- Single cylinder double acting air compressor with stroke volume of (400cm') and
clearance volume of (20cm'). The pressure and temperature at the beginning of
compression stroke are (100kPa) and (300K). The pressure at the end of compression
is (700kPa). Determine the volumetric efficiency, the work done, isothermal
efficiency when the compression is according to (PV135-
3=C)
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