A system undergoes a refrigeration cycle while receiving Qc by heat transfer at temperature Tc anddischarging energy Qu by heat transfer at a higher temperature TH. There are no other heat transfers.(a) Using energy and exergy balances, show that the net work input to the cycle cannot be zero.(b) Show that the coefficient of performance of the cycle can be expressed as:TcTH – TeA'¯ T(Qn – Q).B =where E, is the exergy destruction and To is the temperature of the exergy reference environment.(c) Using the result of part (b), obtain an expression for the maximum theoretical value for the coefficient ofperformance.

Considering refrigeration cycle as a system which receive heat (QC) by heat transfer at temperature…

tem undergoes a refrigeration cycle while receiving Qc by heat tr harging energy QH by heat transfer at a higher temperature TH. There are Jsing energy and exergy balances, show that the net work input to the cy Show that the coefficient of performance of the cycle can be expressed a Te B = \TH – Tc) T(Qn – Qc),

tem undergoes a refrigeration cycle while receiving Qc by heat tr harging energy QH by heat transfer at a higher temperature TH. There are Jsing energy and exergy balances, show that the net work input to the cy Show that the coefficient of performance of the cycle can be expressed a Te B = \TH – Tc) T(Qn – Qc),

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

See similar textbooks

Similar questions

A reversible engine receives heat from a source at 800 ° C some heat goes to a sink at a temperature of 25 ° C. If the motor receives a heat flow of 1200 kJ / min find: a) The thermal efficiency of the motor and b) The working power output of the motor are in kW. Ans: a)η=72.2% b)Ẇ=14.44kW
1. Heat Transfer Problem: We want to generate steam at 300 C 20 bar at 1000 kg/min from water at 60 C, 20 bar. To do this we will use oil at 500 C which will leave the steam generator at 350 C. (Cp = 0.9 cal/g-C) What is the rate of oil required?
13.5 please answer asap
Ger Chose The Correct Answer The equation of work done in a reversible process for a closed sysfem can be expressed as: W12 = S, PdP on %3D W12 = S, PdV W12 = , VdP W12 = S, Vav Next page ot=802467&cmid 151230 hp
15
The Carnot Cycle: a. Operation of the Carnot Engine b. Draw the Carnot Cycle PV & Diagram and explain in relation to the Carnot Engine operation c. Analysis of the Carnot Cycle[Explain the Derivation of the following in relation to the diagram): 1.) QA 2.) QR 3.) W 4.) e including the definition 5.) Work from the TS plane (Qa and QR) 6.) From process 2-3 (Relation between the pressure and volume] 7.) From process 4-1 [Relation between pressure and volume, QR, W, e 8.) Work from the pV plane[W) 9.) Mean Effective Pressure and Vp including definition 10.) Ratio of Expansion, Ratio of Compression 11.) Isothermal expansion ratio 12.) Isentropic expansion ratio 13.) Overall expansion ratio 14.) Compression ratio Isothermal compression ratio 15.) 16.) Isentropic compression ratio Overall compression ratio 17.)
Thermodynamics Clear writing, please ?
Chapter 5 no. 3