PHYS321 Thermodynamics and Statistical Physics Thermal Physics Deals with a collection of a large number of particles “More is different!” --- P.W. Anderson It is effectively impossible to follow the motion and trajectory of each particle two approaches in thermal physics • Thermodynamics (macroscopic) • Statistical mechanics (microscopic) “Four fundamental pillars of our physical theory: general relativity‚ quantum mechanics‚ the theory of elementary particles and statistical mechanics… No
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the surroundings reach the same temperature‚ at which point they are in thermal equilibrium. Such spontaneous heat transfer always occurs from a region of high temperature to another region of lower temperature‚ as described by the second law of thermodynamics. Heat convection occurs when bulk flow of a fluid (gas or liquid) carries heat along with the flow of matter in the fluid. The flow of fluid may be forced by external processes‚ or sometimes (in gravitational fields) by buoyancy forces caused
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Mechanical Engineering Department ME203 Thermodynamics Quiz # 1 (Term 072) Monday 17-3-2008 15 Minutes Student Name ID # A A gasoline line is connected to a pressure gage through a double-U manometer. For a given reading of the pressure gage‚ 1. Determine the gage pressure of the gasoline line. 2. Determine the absolute pressure of the gasoline line. King Fahd University of Petroleum and Minerals Mechanical Engineering Department ME203 Thermodynamics Quiz # 1 (Term 072) Monday 17-3-2008
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A.‚ Foster‚ J.‚ and Potts‚ J. A. Introduction Raine et. al. (2006) explored whether the traditional notion of entropy increase suitably represents the second law of thermodynamics. They recognised that entropy laws are not static and sought to apply Schneider and Kay’s (1994) reformulated second law of thermodynamics to resolve current issues on resource limitations for open systems. Raine‚ et. al. perceive economic systems to be open and claimed that economic systems have unlimited growth
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Renewable and Sustainable Energy Reviews 21 (2013) 524–536 Contents lists available at SciVerse ScienceDirect Renewable and Sustainable Energy Reviews journal homepage: www.elsevier.com/locate/rser Finite-time thermodynamics optimization of absorption refrigeration systems: A review ´ ´ Paiguy Armand Ngouateu Wouagfack a‚n‚ Rene Tchinda b a b L2MSP‚ Department of Physics‚ University of Dschang‚ PO Box 67 Dschang‚ Cameroon LISIE‚ University Institute of Technology Fotso Victor‚
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Thermodynamics - deals with the dynamics of heat and the conversion of heat to work. (car engines. Refrigerators‚ etc) - first law of thermodynamics heat added to a closed system goes into the internal energy of the system and/or doing work - H= delta E1 + W - a heat engine takes heat from a high temperature reservoir‚ converts some to useful work and rejects the remainder to the low temp reservoir. - Second law of thermodynamics - It is impossible for heat to flow
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Subjects Credits Semester Offered CPE 1002 Chemical Engineering Design Chemical Process Principles 1 3 1 Chemical Process Principles 2 3 2 Engineering Design 3 2 CPE 1003 Fluid Mechanics and Thermodynamics Fluid Mechanics 3 2 Chemical Engineering Thermodynamics 3 2 CPE 1004 Chemical Engineering Science Physical Chemistry 3 1 Chemical Engineering Science 3 1 CHM 155 Organic Chemistry Organic Chemistry 3 1 AMT 157 Mathematics Mathematics I 3
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ABOUT PHYSICS AND SOME MAIN TOPICS: 1. Temperature 2. Heat and thermal heat (energy) 3. Heat capacity 4. Phases of water 5. Expansion 6. Ideal gas 7. Laws of thermodynamics 8. Heat capacity of gas 9. Specific heat capacity TEMPERATURE is a physical quantity that is a measure of hotness and coldness on a numerical scale.[1] It is a measure of the thermal energy per particle of matter or radiation; it is measured by a thermometer‚ which may be calibrated
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Whitten‚ R. Davis‚ R.‚ M. L. Peck‚ and G. Stanley. Chemical Thermodynamics: Heat and Thermochemistry Thermodynamics & Thermochemistry Thermodynamics is the study of heat and its transformations to and from other forms of energy Thermochemistry is a branch of thermodynamics that deals with the heat involved with chemical and physical changes Objectives 1. Define thermodynamics & thermochemistry 2. Define energy‚ heat and other thermodynamic terms 3. Define enthalpy 4. Discuss thermochemical equations
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interpretation of temperature • Temperature • Heat • Thermal Expansion • Specific heat capacity • Expansion of water • Conduction • Convection • Radiation • Phases of Matter and phase changes • 1st Law of Thermodynamics • Thermodynamic processes • 2nd Law of Thermodynamics 1. How much heat (in Joules) is required to raise the temperature of 30kg of water from 15°C to 95°C? 2. What is the specific heat of a metal substance if 135kJ of heat is needed to raise 5.1 kg of the metal
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