This page intentionally left blank SEVENTH EDITION Fundamentals of Heat and Mass Transfer THEODORE L. BERGMAN Department of Mechanical Engineering University of Connecticut ADRIENNE S. LAVINE Mechanical and Aerospace Engineering Department University of California, Los Angeles FRANK P. INCROPERA College of Engineering University of Notre Dame DAVID P. DEWITT School of Mechanical Engineering Purdue University JOHN WILEY & SONS VICE PRESIDENT & PUBLISHER EXECUTIVE EDITOR
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algebraic equations. We will illustrate the method by solving a heat transfer problem. For steady state, no heat generation, and constant k, the heat conduction equation is simplified to Laplace equation (2T = 0 For 2-dimensional heat transfer in Cartesian coordinate [pic] + [pic] = 0 The above equation can be put in the finite difference form. We divide the medium of interest into a number of small regions and apply the heat equation to these regions. Each sub-region is assigned a reference
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State University 2.1 Fundamentals....................................................................2-2 Basic Concepts and Definitions • The First Law of Thermodynamics, Energy • The Second Law of Thermodynamics, Entropy • Entropy and Entropy Generation 2.2 Control Volume Applications.........................................2-14 Conservation of Mass • Control Volume Energy Balance • Control Volume Entropy Balance • Control Volumes at Steady State 2.3 Property Relations and Data ..
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(a fixed mass) in two distinct forms: heat and work. For control volumes, energy can also be transferred by mass flow. An energy transfer to or from a closed system is heat if it is caused by a temperature difference. Otherwise it is work, and it is caused by a force acting through a distance. We start this chapter with a discussion of various forms of energy and energy transfer by heat. We then introduce various forms of work and discuss energy transfer by work. We continue with developing
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ignition, heat release rate, flame spread and the generation of different products of combustion like carbon IV oxide and carbon II oxide. The research was performed by studying various sources in the library and in the internet and also performing experiments to simulate a real life situation. Introduction The Fire Problem The flammability of a material is a complex event which is influenced by multiple factors that includes ignition, heat release rate, flame spread and the generation of
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Simulation of a Stirling Engine Solar Power Generation System Using Simulink Mehdi Zareian Jahromi∗ , Mohammad Mehdi Hosseini Bioki† , and Roohollah Fadaeinedjad‡ , Member IEEE ∗† Electrical ‡ Electrical and Computer Engineering Department, Kerman Graduate University of Technology, Kerman,Iran. and Computer Engineering Department, Kerman Graduate University of Technology, Kerman,Iran. Telephone: +98-3426226517, Fax: +98-3426226618, Email: rfadaein@ieee.org ‡ International Center for Science
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CFD Analysis of two pass Double Pipe Heat Exchanger with Fe3O4/water Nano fluid Dissertation submitted In partial fulfilment of requirement For the award of degree of Master of Technology in Thermal Engineering by Ponnada Prasanthkumar 13131D2102 Under the Guidance of Sri B. Ajit Assistant Professor Department of Mechanical Engineering GAYATRI VIDYA PARISHAD COLLEGE OF ENGINEERING (AUTONOMOUS) (Affiliated to J.N.T. University, Kakinada) VISHAKHAPATNAM - 530048 CERTIFICATE This is to certify
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PCB/PDB1043 Assignment # 1 Submission Date: 15 Oct. 2014 BASIC CONCEPTS OF THERMODYNAMICS & ENERGY TRANSFER BY HEAT, WORK & MASS 1. What is the difference between intensive and extensive properties? Separate the list P, F, V, v, ρ, T, a, m, L, t and V into intensive, extensive and non-properties. Is it possible to convert one extensive property to an intensive one? 2. You dive 15 ft down in the ocean. What is the absolute pressure there? 3. What is the smallest temperature in degrees Celsius
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Chapter 1 INTRODUCTION The project ‘Heat Transfer Studies on a 7.5 Watt LED Lighting Load using Finite Element Analysis’ is mainly concerned with the heat generated by an LED lighting load and its dissipation to the surrounding such that the LED junction temperature is maintained low. The LED chosen for this project is 7.5 Watt, which has a maximum operating temperature of around 80°C, exceeding which the LED will fail. The LED is best operated at room temperature conditions and may be just above
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Renewable Energy? Renewable energy uses energy sources that are continually replenished by nature—the sun, the wind, water, the Earth’s heat, and plants. Renewable energy technologies turn these fuels into usable forms of energy—most often elec- tricity, but also heat, chemicals, or mechanical power. Why Use Renewable Energy? Today we primarily use fossil fuels to heat and power our homes and fuel our cars. It’s convenient to use coal, oil, and natural gas for meeting our energy needs, but we have a
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