me2322_lecture03

me2322_lecture03 - ME 2322 Engineering Thermodynamics I...

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

View Full Document Right Arrow Icon
ME 2322 Engineering Thermodynamics I Lecture 03, 01/17/08 Prof. Zhaoming He
Background image of page 1

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

View Full DocumentRight Arrow Icon
Chapter 1 Introduction and Basic concepts • Concepts – Dimension and units – System and surroundings – Closed system (control mass) and open system (control volume) – properties and state – state equilibrium and postulate – process and cycle • Review concepts of temperature and Pressure • Introduce a systematic problem-solving technique.
Background image of page 2
Fluid Pressure • Pressure in a fluid at rest is independent of the shape or cross-section of the container. Pressure force is always normal to the surface • Pressure depends on gravitation distance z g P P Δ + = ρ 1 2
Background image of page 3

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

View Full DocumentRight Arrow Icon
Pascal’s Law • The pressure applied to a confined fluid increases the pressure throughout by the same amount • Two hydraulic cylinders of different areas could be connected to exert a greater force 2 1 2 1 F F P P =
Background image of page 4
Manometer • Manometer: fluid column is used to measure pressure • Cross-section does not affect pressure measurement
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.

This note was uploaded on 04/15/2008 for the course ME 2322 taught by Professor Oler during the Spring '06 term at Texas Tech.

Page1 / 13

me2322_lecture03 - ME 2322 Engineering Thermodynamics I...

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