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A 2-stroke engine that works based on the diesel cycle admits air conditioning 100kPa and 280K. The compression ratio is 20:1 and the fuel-air ratio is 7.5x10^-3 kg fuel/kg air. If the calorific value of the fuel is 42750 KJ/kg, the displacement volume is 0.8L (with a diameter equal to 1.1 the stroke of the piston) The engine is 6-cylinder and rotates at 3600 rpm, use air tables and tables of combustion products with 200% excess air to determine: a) The cycle in a pressure-volume diagram with its corresponding numbering. b) The maximum temperature of the cycle, in K c) The cutoff ratio d) The temperature of the combustion gases at the engine outlet, in K e) The cooling water mass flow, in kg/s f) The motor power, in kW g) The mean effective pressure, in kPa h) Thermal efficiency, in %

A 2-stroke engine that works based on the diesel cycle admits air conditioning 100kPa and 280K. The compression ratio is 20:1 and the fuel-air ratio is 7.5x10^-3 kg fuel/kg air. If the calorific value of the fuel is 42750 KJ/kg, the displacement volume is 0.8L (with a diameter equal to 1.1 the stroke of the piston) The engine is 6-cylinder and rotates at 3600 rpm, use air tables and tables of combustion products with 200% excess air to determine: a) The cycle in a pressure-volume diagram with its corresponding numbering. b) The maximum temperature of the cycle, in K c) The cutoff ratio d) The temperature of the combustion gases at the engine outlet, in K e) The cooling water mass flow, in kg/s f) The motor power, in kW g) The mean effective pressure, in kPa h) Thermal efficiency, in %

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 2-stroke engine that works based on the diesel cycle admits air conditioning 100kPa and 280K. The compression ratio is 20:1 and the fuel-air ratio is 7.5x10^-3 kg fuel/kg air. If the calorific value of the fuel is 42750 KJ/kg, the displacement volume is 0.8L (with a diameter equal to 1.1 the stroke of the piston) The engine is 6-cylinder and rotates at 3600 rpm, use air tables and tables of combustion products with 200% excess air to determine: a) The cycle in a pressure-volume diagram with its corresponding numbering. b) The maximum temperature of the cycle, in K c) The cutoff ratio d) The temperature of the combustion gases at the engine outlet, in K e) The cooling water mass flow, in kg/s f) The motor power, in kW g) The mean effective pressure, in kPa h) Thermal efficiency, in %
Transcribed Image Text:A 2-stroke engine that works based on the diesel cycle admits air conditioning 100kPa and 280K. The compression ratio is 20:1 and the fuel-air ratio is 7.5x10^-3 kg fuel/kg air. If the calorific value of the fuel is 42750 KJ/kg, the displacement volume is 0.8L (with a diameter equal to 1.1 the stroke of the piston) The engine is 6-cylinder and rotates at 3600 rpm, use air tables and tables of combustion products with 200% excess air to determine: a) The cycle in a pressure-volume diagram with its corresponding numbering. b) The maximum temperature of the cycle, in K c) The cutoff ratio d) The temperature of the combustion gases at the engine outlet, in K e) The cooling water mass flow, in kg/s f) The motor power, in kW g) The mean effective pressure, in kPa h) Thermal efficiency, in %
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