thermo 7e sm chap02 1 (1)
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thermo 7e sm chap02 1 (1)
Solutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) TRANSFER, AND GENERAL ENERGY ANALYSISPROPRIETARY AND CONFIDENTIALThis Manual is the proprietary property of The McGraw-Hill Companies. Inc (“McGraw-Hill") and protected by copyright and other state and federal laws. By opening and using this Manual the user agrees to the following restrictions, and thermo 7e sm chap02 1 (1) if the recipient does not agree to these restrictions, the Manual should be promptly returned unopened to McGraw-Hill: This Manual is being prosidedthermo 7e sm chap02 1 (1)
only to authorized professors and instructors for use in preparing for the classes using the affiliated textbook. No other use or distribution of thisSolutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) y be reproduced, displayed or distributed in any form or by any means, electronic or othenvise, without the prior written permission of McGraw-Hill.£RQ£BIEIAK1_MA1E _ . .___________________ .. .. ._____Q IIIand eđt^-fíữn f<*preparation Ifyvuareafl document >s available freeo* charge on OlUUOCU.comDo thermo 7e sm chap02 1 (1) wnloaded by Pham Ckang Huy (elxx>k4youthermo 7e sm chap02 1 (1)
th respect to some outside reference frame. The microscopic forms of energy, on tire other hand, are those related to the molecular structure of a sysSolutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) ses is called total energy. In the absence of magnetic, electrical and surface tension effects, the total energy of a system consists of the kinetic, potential, and internal energies.2-3C Thermal energy is the sensible and latent forms of internal energy, and it is referred to a-, heat in daily life thermo 7e sm chap02 1 (1) .2 -4C The mechanical energy is the form of energy that can be convened to mechanical work completely and directly by a mechanical device such as a prthermo 7e sm chap02 1 (1)
opeller It differs from thermal energy U) that thermal energy cannot be converted to work duectly and completely. The forms of mechanical energy of a Solutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) e arc no hydrogen reserves in the world Hydrogen can be obtained from water by using another energy source, such as solar or nuclear energy, and then the hydrogen obtained can used as a fuel to power cars or generators. Therefore. It IS more proper to view hydrogen is an energy’ carrier than an ener thermo 7e sm chap02 1 (1) gy source2 -6E The total kinetic energy of an object is given is to be determined. Analysis The total kinetic energy of the object is given byvr ...r‘thermo 7e sm chap02 1 (1)
z.,.._.J100^s)2 f IBnvlbmKE = m = (15 Ibm) —-4-—', ,22 I 25,037 ft2/s2= 3.00 Btu2-7 The total kinetic energy of an object is given IS to be determinedSolutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) aw-Hill Compaaies. Inc Limited di-uibudoa pcanitted caly to teachers and educstow for coursepcepar^tion. If you ire 2 student using this Manual. you ire using it without permission.Downloaded by Pham Quang Huy (et>ooK4you Ortine@gmaii com)2 8E The specific potential energy of an object is to be dete thermo 7e sm chap02 1 (1) rmined.Analysis In the English unit system, the specific potential energy in Btu is given bype = g: = (32.1 ft/s2XlOO ft1Dni lbm , = 0.128 Btu/lbm( 25thermo 7e sm chap02 1 (1)
,037 ft 2/s2 J2-9E The total potential energy of an object is to be determined.Analysis Siibsliluling the given data into the potential energy expressSolutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGY thermo 7e sm chap02 1 (1) ow a reference level is to be determined.Analysis Substituting the given data into the potential energy expression givesSolutions Manual forThermodynamics: An Engineering ApproachSeventh EditionYunus A. Cengel, Michael A. Boles McGraw-Hill, 2011Chapter 2 ENERGY, ENERGYGọi ngay
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