Thermodynamics total engine displacement help

AI Thread Summary
The discussion involves a complex thermodynamics problem focused on a six-cylinder engine operating on an ideal Otto cycle. Key calculations required include total engine displacement, compression ratio, state properties (P, V, T), work done per cycle, engine power, total heat added per second, and efficiency. Additionally, there are related inquiries about an ideal dry compression refrigeration cycle and an air conditioning system using Refrigerant-22, requiring detailed step-by-step solutions with units and conversions. The request emphasizes the need for thorough explanations and equations for each calculation. Comprehensive understanding of thermodynamic principles and equations is essential for solving these problems effectively.
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Homework Statement


A 6 cylinder engine has cylinders wirh a bore of 115mm and a stroke of 145mm Each cylinder also has a clearance volume of 300 cubic centimeter. This engine operates on a four stroke ideal otto cycle and at 3000 rpm. The temperature and pressure of the intake air is 25 Celsius and 101kPa respectively. In addition, 900 kJ/kg of heat is rejected during the constant volume heat rejection process. Determine the following
A. total engine displacement
B. Compression ratio for this engine
C. P, V, T, at the four states
D. Wkcycle
E. Power of engine
F. Total heat added per second Qin
G. Efficiency

Homework Equations


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The Attempt at a Solution


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Please answer this problem for me step by step with units and coversions with the equations used i need every single detail
 
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An ideal dry compression refrigeration cycle operates at steady state with refrigerant 134a as the working fluid . Saturated vapor enters the compressor at -10C and saturated liquid leaves the condenser at 25C. The mass flow rate of refrigerant is 5 kg/min Determine
A) enthalpy at state 3
B) the compressor power in kW
C) Rate of heat transfer (Qin) in kJ/s
D) Rate of heat transfer (Qrej) in kJ/s
E) COP
F) COR
Please include step by step with units and conversions and equations i need every detail
 
An air conditioner operates on an ideal wet compression cycle using Refrigerant-22. the refrigerant is at -5 Celsius in the evaporator and 40 Celsius in the condensor. if the mass flow rate of the refrigerant is 5kg/min, determine:
A) the compressor power in kW
B) rate of heat transfer (Qin) in kJ/s
C) rate of heat transfer (Qrej) in kJ/s
D) COP
E) COR

i need every single step with units and coversions and all the equations used i need every detail
 
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