MECH 213 - 10.8.07

MECH 213 - 10.8.07 - o ΔS total = ΔS system ΔS...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
MECH 213 – October 8, 2007 Quiz tomorrow – study last quiz and material from chapter 6 dS = δQ/T Clausius o Cyclic Integral(δQ/T) ≤ 0 Cyclic Integral(δQ/T)1,2 + Cyclic Integral(δQ/T)2,1 int.rev Cyclic Integral(δQ/T)1,2 - Cyclic Integral(δQ/T)1,2 int.rev Cyclic Integral(δQ/T)1,2 ≤ Cyclic Integral(δQ/T)1,2 int.rev Cyclic Integral(δQ/T)1,2 ≤ ΔS o ΔS = Cyclic Integral(δQ/T)1,2 + S gen = Entropy Transfer + Entropy Generation Entropy generation must always be greater than 0
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o ΔS total = ΔS system + ΔS surroundings ≥ 0 Real Pure Substances o Use Sat. and SH. Tables o Mollier Diagram for h-S diagram o δq – δw = du Tds – pΔv = du Tds = du + pΔv o dh = du + pdv + vdp dh – vdp = du + pdv Tds = dh – vdp o incompressible substance Tds = du Ds = du/T = cdT/T Δs = s2 – s1 = clnT2/T1 2 internally reversible 1 S = S [email protected] CP S = S(p,T) S = S f + xS fg...
View Full Document

This note was uploaded on 04/07/2008 for the course MECH 213 taught by Professor Knisley during the Fall '08 term at Bucknell.

Ask a homework question - tutors are online