Give me correct answers plzz In a Gas-Turbine power plant unit, a high-pressureturbine drives the compressor, and a low-pressureturbine drives the generator through suitable gearingsystem. The overall pressure ratio is 4/1, and themaximum temperature is 6500C. The isentropicefficiencies of the compressor, H.P. turbine, and L.P.turbine, are respectively 0.8, 0.83, and 0.85, and themechanical efficiency of both shafts is 98%. Calculatethe intermediate pressure of the turbine when the airintake conditions are 1.01 bar and 250C. Calculatealso the thermal efficiency and the shaft power whenmass flow is 60 kg/s.

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Answered: In a Gas-Turbine power plant unit, a…

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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b) A single-acting, two-stage reciprocating air compressor runs at a speed of 500 rev/min with overall pressure ratio of 20 to 1 has free air delivery of 5.0 m3/min. For the first stage compressor, the pressure and temperature at the end of induction stroke is 100kPa and 27°C, respectively. The intermediate pressure is 500 kPa, and the intercooling process is complete. The clearance volumes of both stages are 5% of their respective swept volumes. The ambient pressure and temperature are at 100 kPa and 27°C, respectively. The index of compression and expansion, n is 1.3. i) Sketch the cycle on a P-V diagram. ii) Determine final delivery temperature of the compressor, C. iii) Determine totalindicated power, kw. iv) Determine volumetric efficiency for the first stage, %. v) Calculate the swept volume of the first and second stage, m2. Take the value of R for air is 0.287 kl/kg.K.
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Problem 1: Find and compare the efficiency of the simple ideal Rankine cycle engine operating between20 and 100 deg. C for working fluids of water and Refrigerant 12. Compare the results to the Carnotefficiency.Problem 2: A Rankine cycle operates with steam under the same conditions as in Problem 1. The turbinehas an efficiency of 70 percent, and the pump efficiency is 60 percent. Find the cycle efficiency, andsketch the T-s and h-s diagrams.

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