Carnot cycle - thermodynamics, Mechanical Engineering

Assignment Help:

Carnot Cycle - thermodynamics:

Carnot Cycle: Sadi carnot; this is based on second law of thermodynamics introduced the concepts of reversibility and cycle in the year 1824. He shows that the temperature of heat source and heat sink are basis for determining thermodynamics efficiency of reversible cycle. He showed that all such cycles should reject heat to the sink and efficiency is never 100 percent. 

To show a non existing reversible cycle, Carnot invented his famous but hypothetical cycle called as Carnot cycle. Carnot cycle comprise of of two isothermal and two reversible adiabatic or isentropic operation. The cycle is illustrated in P-V and T-S diagrams

1247_Carnot Cycle.png

 

Operation 1-2: T = C

Q1  = W1-2  = P1V1lnV2/V1  = mRT1lnV2/V1

Operation 2-3: PVy  = C

Q = W = 0

Operation 3-4:  T = C

Q2  = W3-4  = P3V3lnV4/V3  = P3V3lnV4/V3   = mRT2lnV3/V4

Operation 4-1: PVy  = C

Q = W = 0Net WD = mRT1lnV2/V1 - mRT2lnV3/V4 ; As the compression ratio = V3/V4 = V2/V1, T2 = T3

W = mRlnV3/V4(T1  - T3)

 


Related Discussions:- Carnot cycle - thermodynamics

Explain tee joints, Tee joints -The square tee joint requires a fillet weld...

Tee joints -The square tee joint requires a fillet weld that can be made on one or both sides. It can be used for light or fairly thick materials. For maximum strength, considerabl

Thermodynamics project , ES 347 - Thermodynamics Project Assigned: 3/28/201...

ES 347 - Thermodynamics Project Assigned: 3/28/2013 Due: 4/25/2013 Problem specification 5 kg of air is contained in a piston-cylinder device, initially at a pressure of 2MPa and a

Concept of absolute thermodynamic temperature scale, (a) Illustrate the con...

(a) Illustrate the concept of absolute thermodynamic temperature scale on the basis of second law. (b) In a Steady flow apparatus , 13.5 KJ of work is done by each kg of fluid.

Answer of the question, Classification of dynamometers, with thein neat sk...

Classification of dynamometers, with thein neat sketch with working ?

CFD PHOENICS, expert with PHOENICS software experience for CFD free convect...

expert with PHOENICS software experience for CFD free convection

Explain the 3-2-1 principle of location, Explain the 3-2-1 Principle of Loc...

Explain the 3-2-1 Principle of Location A work piece can be positively located by means of 6 pins so positioned that collectively they restrict the work piece in nine of it

Describe about consumable electrode, Q. Describe about consumable electrode...

Q. Describe about consumable electrode? This type of electrode is prepared from metal. Its one end is kept in electrode holder and then electric supply is passed through it. Th

Stress distribution in beams, Stress Distribution in Beams: 1. learn t...

Stress Distribution in Beams: 1. learn the section modulus of beams of several cross section. 2. found the normal force for partial beam section & its moment around the neu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd