Lec07 - ME 200: Thermodynamics I Lecture 7: Energy balance...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
ME 200: Thermodynamics I Lecture 7: Energy balance for closed systems Section 2.5 Problems: SP7; 2.56, 2.64 Professor Hukam Mongia Office Hours: MWF 2:30 to 3:30 pm in ME 83 (Other times email for appointment) Email: hmongia@purdue.edu Phone: 765-494-5640 Course Website: https://engineering.purdue.edu/ME200 Course Secretaries: Diana Akers (ME 84) and Marilyn Morrison (ME 100) See Kul Inn (ME 189) about grading Homework Assignments 9/2/2009 1 Answers: Problem 2.56: 356 kJ; Problem 2.64: (a) 0.3 m3/kg, (b) -36 kJ, (c) 18 kJ/kg
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9/2/2009 2 Joule’s experiment (Groups assignment) Internal Energy + KE+ PE Modes of heat transfer Conduction, convection, radiation and combined modes Lecture 6 covered
Background image of page 2
9/2/2009 3 This lecture covers Energy balance for closed systems Closed system No mass transfer E1 E2 Heat in Q Work out, W Energy balance: E2+W = E1+Q E2-E1 = Q-W D E = Q-W D KE + D PE + D U = Q-W
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9/2/2009 4 dE = d Q d W Because Q and W are not properties Go through worked-out examples 2.2 through 2.6 on your own.
Background image of page 4
Problem 2.53: Application of
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

Lec07 - ME 200: Thermodynamics I Lecture 7: Energy balance...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online