FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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0.2 m'af an ideal gas at 200 "K and 2 har is cumpressed at constant volume to 4 har by heat addition. Then it is compressed adiabatically to 8 har, finally it expands isothermally to the initial point.Assume ep= 14.3 kkg K and ev= 10.2 kIkg K. 1- Draw pv diagram of the cycle. 2. Find the heat added of the constant vuhume proces. 3. Find the work of the adiabatic proces 4 Find the heat rejected and work of the isothermal process.
Provide 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.
1. In a steam power plant steam enters the turbine at 6 bar and 400°C and is
expanded isentropic ally to the condenser pressure of 0.1 bar. If the isentropic
efficiency of the turbine is 80%, find the actual net work output and the thermal
efficiency.
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- The efficiency of Carnot cycle operating at a maximum temperature of 460 oF is 50 %. Find the minimum temperature of the cycle.arrow_forwardSteam engine with incomplete expansion receives saturated steam at 1.04 Mpa,expands it to 0.105 Mpa where release occurs. Exhaust is to a condenser at 40C.The actual engine uses 6070 kg/h of steam; it has a brake engine efficiency of 60%and a mechanical efficiency of 85%. The electric generator which it drives has anefficiency of 925. (a) For the ideal engine, find the thermal efficiency and the mep.For the actual engine, determine (b) the brake work in kW and the brake thermalefficiency, (c) the indicated work in kW, indicated thermal efficiency and indicatedsteam rate, (d) the combined thermal efficiency and the combined steam ratearrow_forward6. A Reversed Carnot Cycle rejects 833 BTU/lb as heat at a temperature of 1140F. The cycle receives heat at a temperature of 140F. Calculate: a. The change of entropy for the heat rejection process, BTU/lb-R b. The net cycle work in BTU/lbarrow_forward
- Find the power output and the low T heat rejection rate for a Carnot cycle heat engine that receives 6 kW at 250 ℃ and rejects heat at 30 ℃.arrow_forwardMay you please explain each steps. Thank youarrow_forwardA gas turbine plant operates on the Brayton cycle between T 27°C and T 800 °C Find the maximum work done per kg of air, and max the corresponding cycle efficiency. How does this efficiency compare with the Carnot cycle efficiency operating between the same two temperatures?arrow_forward
- A single stage, single acting reciprocating air compressor with 0.3 m bore and 0.4 m stroke runs at 400 rpm. The suction pressure is 1 bar at 300 K and the delivery pressure is 5 bar. Find the power required to run it, if compression is isothermal, compression follows the law pv-3 = C and compression is reversible adiabatic. Also find the isothermal efficiency.arrow_forwardYou have invented a hydrogen‐fueled turbine engine that operates between a combustion temperature of 2500. K and an exhaust manifold temperature of 500. K. How much work does it produce per kilojoule of fuel energy if it operates at 75% of maximum theoretical efficiency?arrow_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
- Solve it..arrow_forwardGiven the p-V diagram of a Carnot engine, 1 T, = 530°C P 4 3 T, = 220°C Q. = 2900 Joules V Find the heat absorbed and the work done by the heat engine in Joules. 2.arrow_forwardFind the efficiency of a diesel cycle with an explosion energy of 3000 J/mol. Air is introduced into the cylinder at 1 bar, 25C, and compressed to 5 bar. The air is assumed to be an ideal gas and is constant at Cp=7/2Rarrow_forward
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What is entropy? - Jeff Phillips; Author: TED-Ed;https://www.youtube.com/watch?v=YM-uykVfq_E;License: Standard youtube license