FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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Derive an
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find the specific enthalphy at each point of the cycle, the amount of heat added, heat rejected, turbine work, pump work, net work and thermal efficiency in a carnot cycle between pressure limits of 3MPa and 10KPa
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- THERMODYNAMICS 1. A gasoline engine with four stroke and total displacement of 150 in3. and a compression ratio of 10:1 operates at 1800 RPM. Find the cycle efficiency and power output at 520 R, 10 psia, and mean effecting pressure of 90 psia (Using variation of specific heat). Show Complete Solution on a Paper.arrow_forwardHint, find enthalpy, entropy at each statearrow_forwardSU-2 A gas at 500K is in a cylinder with a frictionless piston. The gas goes thru a reversible cycle during which it absorbs 400J from a reservoir at 500K. During part of the cycle the gas rejects heat Q to a reseroir at 300K. Let the system be defined as the gas. a) What is the change in entropy for the system for one cycle of operation of the engine? Briefly explain your answer. b) Find the change in entropy for the universe for one cycle of operation of the engine. Briefly explain your answer. c) Find the change in entropy for the surroundings for one cycle of operation of the engine. Briefly explain your answer. d) Use your results from the previous parts to find how many joules of heat were rejected to the 300K reservoir during this process.arrow_forward
- Air is supplied in an 8 kW continuous flow compressor at a pressure of 100 kPa and a temperature of 17 °C, 600 kPa. pressure and 167 °C temperature is compressed. The air flow rate is 2.1 kg/min. Kinetic and potential energy ignoring the changes a) increase in exergy of air, b) Calculate the exergy disappearance during the compression process. (Assume that the ambient temperature is 17 °C)arrow_forwardPROBLEM 2.0 The working substance for a Carnot cycle is 9 Ib of air. The volume at the beginning of isothermal expansion is 10 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find The heat added BTU. The heat rejected in BTU. The mean effective pressure in psi The ratio of expansion during the isentropic process The overall ratio of compression.arrow_forwardThe efficiency of Carnot cycle operating at a maximum temperature of 460 oF is 50 %. Find the minimum temperature of the cycle.arrow_forward
- Example 8.5. Heat flows from a hot reservoir at 800 K to another reservoir at 250 K. H entropy change of the overall process is 4.25 kJ/K, make calculations for the heat flowinger of the high temperature reservoir.arrow_forwardPLEASE SHOW COMPLETE SOLUTION (DRAW THE TS DIAGRAM)arrow_forwardIn Cryogenic Plant for Liquid Oxygen Production, in what way does refrigeration system applied? Please elaborate.arrow_forward
- Draw the pV diagram for the Stirling engine with proper labels?arrow_forwardMay you please explain each steps. Thank youarrow_forwardProvide the given, manula step by step solution, and diagram for below problem. The efficiency of Carnot cycle operating at minimum temperature of60 degree Fahrenheit is 80%. Find the maximum temperature of the cycle.arrow_forward
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