Pdf 1540 v v0 v t volume coefficient of thermal

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Unformatted text preview: 0 Chapter 19.pdf (15/40) • V V0 v T Volume coefficient of thermal expansion • 3 2013-02-27 10:38:15 16/40 l Chapter 19.pdf (16/40) • • Average distance btw atoms increases with T. Average vibrational amplitude of an atom 2013-02-27 10:38:15 17/40 Chapter 19.pdf (17/40) • • 2013-02-27 10:38:16 18/40 Chapter 19.pdf (18/40) Material (10-6 / K) at room temp Polymers Polyproylene 145 – 180 Polyethylene 106 – 198 Polystyrene 90 – 150 Teflon 126 - 216 Increasing Metals Aluminum 23.6 Steel 12 Tungsten 4.5 Gold 14.2 Ceramics Magnesia (MgO) 13.5 Alumina (Al2O3) 7.6 Soda-lime Glass 9 Silica (crytslline SiO2) 0.4 http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/jarlid.html 15 2013-02-27 10:38:16 19/40 Chapter 19.pdf (19/40) • – 16 2013-02-27 10:38:16 20/40 Chapter 19.pdf (20/40) 2013-02-27 10:38:17 21/40 Chapter 19.pdf (21/40) • • – http://www.howstuffworks.com/home-thermostat1.htm http://structures-www.cv.ic.ac.uk/examples/ 17 2013-02-27 10:38:17 22/40 Chapter 19.pdf (22/40) • • E 2013-02-27 10:38:17 l (T0 T f ) 23/40 E l T Chapter 19.pdf (23/40) Thermal Properties (3) Thermal Conductivity 2013-02-27 10:38:17 24/40 Chapter 19.pdf (24/40) • •...
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This note was uploaded on 03/24/2013 for the course ENGINEER 101 taught by Professor Preston during the Winter '13 term at McMaster University.

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