University:
Swansea University
Course:
EGA109 | Introductory Organic Chemistry
Academic year:

2023
Views:

315

Pages:

3
Author:

Sanjeev K

Carnet lycle Carnet cycle count of four reversible stages in which a gas is either expanded/ Compressed in various ways the system consists of 1 mile of an ideal gas which is subjected to four strokes Four stagess A. I Stroke: A→B Isotherural cxpansion at The work done by gars Gas placed in thermal Coread with In (at Tu) and undergoos reversible Posthermal Expansion from A to B. Entropy change in qu/th (qu= energy supplied system as heat from the bit source) 9h =w= RTh In Va VA B. 2nd stroke: B-C Adiabatic expomsion, work done by gas Contact with is broken by the gar undergoes comparation from to reversible adiabatic by No energy Ceaves the system as heat, AS=0 Expansion is carried out until lemperature of gan falls from In to te (limp of de) -W₂-CV(In-Tc) D stroke: Dan Adiabatic Crupresion Wirk dine on Contact with gas • is broken and gas undergoes reversible adiabatic compression from D ton such the final lemperature is Th No energy the e system enters the sy as heat St change in entropy is zero. Wa (v(Th-Tc) ( 3rd stroke: CD isothermal compression at t Work done on gas Gas is placed in contact with cold sink Pe and undergoes a reversible isothermal compression from C to Dat To Energy is released as theat to cold sink; entropy change of system rette ve 20. RTeen Vo In Area andised by the four curvesrepresents the net work dine by engine in one cycle. Telal change in entropy around the ayde is the sum of changes in each of these four steps Th T For an ideal gas ds-O and an. Tu Te T Efficiency