Fundamentals Of Thermodynamics
10th Edition
ISBN: 9781119494966
Author: Borgnakke, C. (claus), Sonntag, Richard Edwin, Author.
Publisher: Wiley,
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Carnot cycle operates between 30°C and 350°C. Find the cycle efficiency.
Steam at 5.2 MPa, 4000C expands in a Rankine turbine to 0.036MPa. For 136 kg/s of steam, determine the work, the thermal efficiency, and the steam rate (a) fot the cycle(b) for the turbine, (c) for an actual turbine with the same specifications, the brake steam rate is 4.80 kg/kwh ang the driven electric generator has an efficiency of 93%, Find brake thermal efficiency , brake engine efficiency, combined work, and quality or temperature of exhaust steam.
Don't answer the given problem, just give me the schematic diagram and T-S diagram of the given problem
The efficiency of Carnot cycle operating at a maximum temperature of 460 oF is 50 %. Find the minimum temperature of the cycle.
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- A geothermal power plant uses earth steam at 400 K and cooling water at 300 K.a. What is the value of maximum efficiency? b. Suppose the actual efficiency is 18% and the plant generates electricity at the rate of 200MW. How much work is lost each day? c. How much entropy is created each day?arrow_forwardAn Otto cycle has a heat rejected of 300 kJ and work of 700 kJ. Find the cycle efficiency. ANSWER : 70%arrow_forwardMay you please explain each steps. Thank youarrow_forward
- 6. 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_forwardDon't answer the given problem, just give me the schematic diagram and t-s diagram of the given problemarrow_forwardT = 300 K and T A gas turbine plant operates on the Brayton cycle between 1073 K. Find the maximum work done per kg of air, and the corresponding cycle efficiency. How does this efficiency compare with the Carnot cycle efficiency operating between the same two temperatures? min maxarrow_forward
- Two Carnot engines work in series between source and sink temperature of 04 1200K and 300K. Find out the intermediate temperature if 1) Both engines having same efficiency 2) Both engines develop equal power.arrow_forwardHow do I do this questions in steps? Stuggling with how to find the isentropic work for the efficiency of the turbine. Please have written out or neat solutions that arent copied and pasted math.arrow_forwardfind 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 10KPaarrow_forward
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