THERMODYNAMICS(SI UNITS, INTL.ED)EBOOK>I8th EditionCENGEL Publisher: INTER MCGISBN: 9781307434316
THERMODYNAMICS(SI UNITS, INTL.ED)EBOOK>I
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Chapter 1.11 - Problem-solving TechniqueChapter 2.8 - Energy And EnvironmentChapter 3.8 - Other Equations Of StateChapter 4.5 - Internal Energy, Enthalpy, And Specific Heats Of Solids And LiquidsChapter 5.5 - Energy Analysis Of Unsteady-flow ProcessesChapter 6.11 - The Carnot Refrigerator And Heat PumpChapter 7.13 - Entropy BalanceChapter 8.8 - Exergy Balance : Control VolumesChapter 9.12 - Second-law Analysis Of Gas Power CyclesChapter 10.9 - Combined Gas-vapor Power Cycles
Chapter 11.10 - Absorption Refrigeration SystemsChapter 12.6 - The Dh, Du, And Ds Of Real GasesChapter 13.3 - Properties Of Gas Mixtures: Ideal And Real GasesChapter 14.7 - Air-conditioning ProcessesChapter 15.7 - Second-law Analysis Of Reacting SystemsChapter 16.6 - Phase EquilibriumChapter 17.7 - Steam Nozzles
Sample Solutions for this Textbook
We offer sample solutions for THERMODYNAMICS(SI UNITS,INTL.ED)EBOOK>I homework problems. See examples below:
Chapter 1.11, Problem 1PWrite the expression of conversion relation for the constant-pressure specific heat of air from...Write the expression of conversion relation for the pressure in the tank from kPa to kN and m units....Write the formula to calculate the gage pressure (Pgage). Pgage=Pabs−Patm (for pressures above Patm)...Chapter 1.11, Problem 59PChapter 1.11, Problem 69PChapter 1.11, Problem 70PChapter 1.11, Problem 71PChapter 1.11, Problem 81P
Chapter 1.11, Problem 90RPChapter 1.11, Problem 102RPWrite the formula to calculate pressure at the location of the airplane (Pplane). Pplane=(ρgh)plane...Write the expression to determine the pressure change (dP) across a differential fuild layer....Chapter 2.8, Problem 1PWrite the formula to calculate mechanical energy of the wind (emech). emech=ke=V22 (I) Here, kinetic...Chapter 2.8, Problem 34PThe total work required to accelerate the car on the uphill road is equal to the summation of the...Chapter 2.8, Problem 51PWrite the energy balance equation for a control volume when the car cruising is taken as the system....Chapter 2.8, Problem 68PWrite the formula to calculate mechanical energy of air per unit mass (emech). emech=ke=V22 (I)...Chapter 2.8, Problem 74PCalculate the rate of heat transfer by convection. Q˙conv=hAΔT=h(πD2)(Ts−To) (I) Here, change in the...Chapter 2.8, Problem 108RPWrite the formula to calculate mass flow rate of fuel in the exhaust (m˙fuel). m˙fuel=m˙airAF (I)...Write the expression the specific volume of the air. v=RTP (I). Here, specific volume of the air is...Chapter 2.8, Problem 123RPChapter 3.8, Problem 1PChapter 3.8, Problem 29PWrite the initial specific volume of the piston-cylinder device (v1). v1=vf+x(vg−vf) (I) Here,...Chapter 3.8, Problem 41PChapter 3.8, Problem 82PChapter 3.8, Problem 84PChapter 3.8, Problem 91PChapter 3.8, Problem 94PWrite the ideal gas equation. P2=P1(T2T1) (I) Here, pressure at state 2 is P2, pressure at state 1...Chapter 3.8, Problem 96PChapter 3.8, Problem 97PRefer to Table A-1, obtain the gas constant, critical pressure, and critical temperature of steam....Write the expression to obtain the buoyancy force acting on the hot-air balloon (FB). FB=ρcool...Chapter 4.5, Problem 1PChapter 4.5, Problem 20PWrite the energy balance equation for closed system. Ein−Eout=ΔEsystem (I) Here, energy transfer in...Chapter 4.5, Problem 29PChapter 4.5, Problem 39PChapter 4.5, Problem 54PWrite the mean change in enthalpy (Δh¯) for an ideal gas during heating process from state 1 to...Write the expression for the mass of the spring loaded piston cylinder device (m). m=P1ν1RT1 (I)...Chapter 4.5, Problem 79PChapter 4.5, Problem 85PDetermine the total initial volume of piston cylinder device. ν1=mfvf+mgvg (I) Here, the mass of the...Write the expression for mass of helium. m=P1V1RT1 (I) Here, the initial pressure of helium is P1,...Write the expression for the mass of the water. mw=ρV (I) Here, the density of the water is ρ and...Chapter 4.5, Problem 130RPWrite the expression for the energy balance equation. Ein−Eout=ΔEsystem (I) Here, the total energy...Chapter 4.5, Problem 139RPThe fluid flow in which the properties of the fluid remains unchanged with respect to change in time...Chapter 5.5, Problem 26PChapter 5.5, Problem 33PChapter 5.5, Problem 81PDraw the schematic diagram for the evaporator section. Write the formula to calculate the specific...Chapter 5.5, Problem 83PChapter 5.5, Problem 88PWrite the formula to calculate the volume of room (V). V=lbh (I) Here, length of room is l, width of...At the final observation, the valve is closed and the tank composed with one-half water and vapor at...Chapter 5.5, Problem 128PThe rate of water must be supplied to maintain the steady state operation is equal to the rate of...Chapter 5.5, Problem 168RPWrite the general mass balance equation. m˙in−m˙out=ddt(msystem)m˙in−m˙out=dmsystemdt (I) Here, the...Write the formula for mass of air (ma) at initial and final states. ma,1=(P1ν1RT1)a (I)...Chapter 5.5, Problem 177RPChapter 5.5, Problem 178RPChapter 5.5, Problem 185RPChapter 5.5, Problem 186RPChapter 5.5, Problem 187RPChapter 5.5, Problem 188RPChapter 6.11, Problem 1PChapter 6.11, Problem 26PChapter 6.11, Problem 55PChapter 6.11, Problem 101PChapter 6.11, Problem 104PChapter 6.11, Problem 105PWrite the highest thermal efficiency a heat engine between two specified temperature limits....Write the formula to calculate the mass flow rate of a refrigerant (m˙R). m˙R=v˙1v1 (I) Here, volume...Chapter 6.11, Problem 118PChapter 6.11, Problem 123RPDetermine the mass of the air in the truck. mair=ρair×νtruck=ρair×(l×b×h)truck (I) Here, the density...Determine the rate of water saved volume of the low-flow shower head a family of four will save per...Chapter 6.11, Problem 141RPDetermine the density of air at the indoor conditions. ρo=PoRTo (I) Here, the house maintain a...Determine the density of air at the indoor conditions. ρo=PoRTo (I) Here, the house maintain a...Chapter 6.11, Problem 149RPWrite the heat gain transfer rate equation (Q˙H). Q˙H=(hA)H(TH−TH*) (I) Here, heat transfer...According to the Clausius inequality, the cyclic integral of ∮δQT is always less than or equal to...Chapter 7.13, Problem 42PWrite the expression for the energy balance equation. Ein−Eout=ΔEsystem (I) Here, the total energy...Write the expression for the energy balance equation for closed system. Ein−Eout=ΔEsystem (I) Here,...Chapter 7.13, Problem 109PChapter 7.13, Problem 111PChapter 7.13, Problem 137PChapter 7.13, Problem 139PWrite the expression for the energy balance equation for closed system. E˙in−E˙out=ΔE˙system chicken...Chapter 7.13, Problem 156PWrite the expression for the energy balance equation for closed system. Ein−Eout=ΔEsystem (I) Here,...Write the relation between the pressure and temperature in the isentropic process: T2T1=(P2P1)k−1k...Write the expression to calculate the enthalpy change in process 1-2. ΔS1−2=−mRlnP2P1 (I) Here,...Chapter 7.13, Problem 177RPWrite the expression to calculate the mass of the steam in the cylinder. m=ν1v1 (I) Here, mass of...Chapter 7.13, Problem 181RPWrite the expression for the final entropy, s2. s4=sf+x4sfg (I) Here, final entropy is s4s1, final...Write the formula to calculate the specific volume of steam from tables (v). v=vf+x(vg−vf) (I) Here,...Write the expression for the energy balance equation for closed system. Ein−Eout=ΔEsystem (I) Here,...Write the expression for the energy balance equation for closed system without air in the room....Write the expression for the energy balance equation for closed system. Ein−Eout=ΔEsystem (I) Here,...Chapter 7.13, Problem 209RPWrite the expression for the energy balance equation for the closed system. ΔEin−ΔEout=ΔEsystem (I)...Chapter 8.8, Problem 1PChapter 8.8, Problem 27PChapter 8.8, Problem 32PChapter 8.8, Problem 47PDraw the schematic diagram of the flow of refrigerant-134a through evaporator section as shown in...Write the expression for the final mass (m2) stored in the tank. m2=Vv2 (I) Here, volume of the...Write the expression for the initial mass (m1) of helium in the cylinder. m1=P1VRT1 (I) Here,...Write expression for the mass balance on the chamber....Write the expression to calculate the specific volume of saturated water (v). v=vf+x(vg−vf) (I)...Write energy balance equation for a closed system of steam. Ein−Eout=ΔEsystem−Qout=ΔUQout=m(u1−u2)...Write the ideal gas equation to calculate the mass of the gas (m). m=P1V1RT1 (I) Here, initial...Chapter 8.8, Problem 119RPChapter 8.8, Problem 120RPWrite the formula to calculate initial mass of air in the tank (mi). mi=PiVRTi (I) Here, initial...Chapter 9.12, Problem 1PChapter 9.12, Problem 64PChapter 9.12, Problem 122PDraw the T−s diagram for pure jet engine as shown in Figure (1). Consider that the aircraft is...Chapter 9.12, Problem 130PChapter 9.12, Problem 132PChapter 9.12, Problem 133PDraw the T−s diagram for turbojet engine as shown in Figure (1). Consider, the pressure is Pi , the...Show the simple Brayton cycle, and with air as the working fluid on T−s diagram. For the given...Show the simple Brayton cycle, with air as the working fluid on T−s diagram. For the given Brayton...Show the regenerative Brayton cycle with air as the working fluid, on T−s diagram as in Figure (1)....Show the regenerative Brayton cycle with air as the working fluid, on T−s diagram as in Figure (1)....Chapter 9.12, Problem 148PDraw the P−v diagram of four stroke as in Figure (I). Refer to Table A-2b, obtain the properties of...Chapter 9.12, Problem 164RPChapter 9.12, Problem 166RPDraw the T−s diagram for pure jet engine as shown in Figure (1). Consider that the aircraft is...Draw the P−v and T−s diagram for the given cycle. Thus, the P−v and T−s diagrams for the given cycle...Chapter 10.9, Problem 1PChapter 10.9, Problem 53PChapter 10.9, Problem 62PChapter 10.9, Problem 65PChapter 10.9, Problem 77PDraw the T-s diagram for the combined gas-steam power cycle. Write the expression for the relation...Draw the T-s diagram for the combined gas-steam power cycle as shown in Figure (1). Write the...Chapter 10.9, Problem 82PChapter 10.9, Problem 94RPShow the T-s diagram as in Figure (1). Express Prandtl number at state 8s. Pr8s=P8sP7Pr7 (I) Here,...Chapter 10.9, Problem 107RPChapter 11.10, Problem 1PChapter 11.10, Problem 18PChapter 11.10, Problem 30PShow the T-s diagram for ideal vapor-compression refrigeration cycle as in Figure (1). From Figure...Chapter 11.10, Problem 44PShow the T-s diagram for compression refrigeration cycle as in Figure (1). From Figure (1), write...Chapter 11.10, Problem 54PSketch the schematic diagram for the two stage cascade refrigeration system as in Figure (1). Write...Chapter 11.10, Problem 76PChapter 11.10, Problem 111RPChapter 11.10, Problem 112RPChapter 11.10, Problem 113RPSketch the schematic layout of the two-stage compression refrigeration system as in Figure (1)....Chapter 12.6, Problem 1PWrite the equation of state of the given gas. P(v−a)=RT (I) Here, the temperature is T, the pressure...Write the mean change in enthalpy (h¯2−h¯1)ideal of ideal gas. (h¯2−h¯1)ideal=(h¯2)ideal−(h¯1)ideal...Write the mean change in enthalpy (h¯2−h¯1)ideal of water vapor....Write the energy balance equation for closed system. E˙in−E˙out=ΔE˙system (I) Here, rate of energy...Chapter 12.6, Problem 92RPWrite the energy rate balance equation for one inlet and one outlet system....Chapter 12.6, Problem 94RPWrite formula for specific volume (v) in terms of compressibility factor (Z). v=ZRTP (I) Here, the...Refer the table A-2Ec, “Ideal gas specific heats of various common gases”, obtain the empirical...Chapter 13.3, Problem 1PWrite the expression to calculate the mole number of the substance (N). N=mM (I) Here, the mass of...Write the expression to obtain the mass of O2 (mO2). mO2=NO2MO2 (I) Here, number of moles of O2 is...Chapter 13.3, Problem 57PWrite the expression to obtain the mole number of CH4 (NCH4). NCH4=mCH4MCH4 (I) Here, molar mass of...Write the entropy balance equation to obtain the expression of entropy generation in terms of H2 and...Write the entropy balance equation to obtain the expression of entropy generation in terms of O2 and...Chapter 13.3, Problem 93RPChapter 13.3, Problem 96RPWrite the expression to obtain the mole number of N2 (NN2). NN2=mN2MN2 (I) Here, molar mass of N2 is...Chapter 14.7, Problem 1PChapter 14.7, Problem 29PExpress initial partial pressure. Pν1=Pν2=ϕ1Pg1=ϕ1Psat@10°C (I) Here, partial pressure at state 2 is...Chapter 14.7, Problem 78PChapter 14.7, Problem 80PWrite the expression to obtain the volume flow rate (V˙1). V˙1=V1A1=V1(πD24) (I) Here, diameter is...Write the expression to obtain the vapor pressure of air (Pv1). Pv1=ϕ1Pg1=ϕ1Psat@90°F (I) Here,...Chapter 14.7, Problem 86PApply the dry air mass balance on the cooling tower. m˙a1=m˙a2=m˙a Here, mass flow rate of air at...Apply the dry air mass balance on the cooling tower. m˙a1=m˙a2=m˙a Here, mass flow rate of air at...Express the pressure of air. Pair=P−Pv=P−Psat@25°C (I) Here, the saturation pressure at temperature...Chapter 14.7, Problem 128RPWrite the expression to obtain the vapor pressure at inlet conditions (Pv1). Pv1=ϕ1Pg1=ϕ1Psat@30°C...Apply the dry air mass balance on the cooling tower. m˙a1=m˙a2=m˙a Here, mass flow rate of air at...Chapter 15.7, Problem 1PWrite the expression to calculate the number of moles of constituent (N) in a mixture. N=mM (I)...Express the number of moles of carbon. NC=mfCMC (I) Here, molar mass of carbon is MC and mole...Chapter 15.7, Problem 83PWrite the complete balanced reaction for combustion of octane (C3H8) with 70% excess theoretical...Chapter 15.7, Problem 89PWrite the chemical reaction for the combustion of liquid gas fuel mixture of 90% octane and 10%...Chapter 15.7, Problem 103RPChapter 15.7, Problem 108RPChapter 15.7, Problem 109RPChapter 15.7, Problem 110RPChapter 16.6, Problem 1PWrite the stoichiometric reaction for the reported process. H2O⇌H2+1/2O2 From the stoichiometric...Write the stoichiometric reaction for the reported process. H2O⇌H2+1/2O2 From the stoichiometric...Express the standard-state Gibbs function change. ΔG*(T)=vH2Og¯*H2O(T)−vH2g¯*H2(T)−vO2g¯*O2(T) (I)...Express the standard-state Gibbs function change. ΔG*(T)=vCOg¯*CO(T)+vO2g¯*O2(T)−vCO2g¯*CO2(T) (I)...Write the expression for the volume of oxygen used per lbmol of carbon monoxide (vCO). vCO=RTP (I)...Write the stoichiometric equation for combustion of 1 kmol of liquid propane (C3H8)....Chapter 16.6, Problem 38PWrite the expression for the stoichiometric reaction for reaction 1. H2O⇌H2+12O2 … (I) Here, the...Write the energy balance equation for the reported process. Ein−Eout=ΔEsystem (I) Here, input energy...Write the formula to calculate the stagnation temperature of ideal gas. T0=T+V22cp (I) Here, the...Chapter 17.7, Problem 85PWrite the expression for the velocity of sound after the normal shock. c2=kRT2 (I) Here, velocity of...Chapter 17.7, Problem 105PDetermine the inlet density of air. ρ1=P1RT1 (I) Here, the inlet pressure of air is P1, the...Chapter 17.7, Problem 110PFor isentropic, The flow of steam through the nozzle is steady and isentropic. Write the expression...For isentropic, The flow of steam through the nozzle is steady and isentropic. Write the expression...Write the given equation of state. P=RTv−b−av2 (I) Here, the pressure is P, the gas constant is R,...Chapter 17.7, Problem 135RPChapter 17.7, Problem 137RPChapter 17.7, Problem 147RPChapter 17.7, Problem 148RPWrite the Equation 17-38 as in text book (the relation between the pressures after shock and before...
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