Problem 1CP: How does transient heat transfer from steady heat transfer? How does one-dimensional heat transfer... Problem 2CP: Is heat transfer a scalar or a vector quantity? Explain. Problem 3CP: Does a hear flux vector at a point P on an isothermal surface of a medium have to be perpendicular... Problem 4CP: From a heat transfer point of view, what is the difference between isotropic and anisotropic... Problem 5CP: What is heat generation in a solid? Give examples. Problem 6CP: Heat generation is also referred to as energy generation or thermal energy generation. What do you... Problem 7CP: In order to size the compressor of a new refrigerator, we wish to determine the rate of heat... Problem 8CP: In order to determine the size of the heating element of a new oven, we wish to determine the rate... Problem 9CP: Consider a round potato being baked in an oven. Would you model the heat transfer to the potato as... Problem 10CP: Consider an egg being cooked in boiling water in a pan. Would you model the heat transfer to the egg... Problem 11CP Problem 12CP: Consider the cooking process of a roast beef in an oven. Would you consider this to be a steady or a... Problem 13CP: Consider heat loss from a 200-L cylindrical hot water tank in a house to the surrounding medium.... Problem 14CP: Consider a cold canned drink left on a dinner table, would you model the heat transfer to the drink... Problem 15P: Heat flux meters use a very sensitive device know as a thermopile to measure the temperature... Problem 16P: Consider a large 3-cm-thick stainless steel plate in which heat is generated uniformly at a rate of... Problem 17P: In a nuclear reactor, heat is generated uniformly in the 5-cm-diameter cylindrical uranium rods at a... Problem 18P Problem 19EP Problem 20CP: Writer down the one-dimensional transient heat conduction equation for a plate wall with constant... Problem 21CP: Writer down the one-dimensional transient heat conduction equation for a long cylinder with constant... Problem 22P: Starting with an energy balance on rectangular volume element, derive the one-dimensional transient... Problem 23P Problem 24P Problem 25P: Consider a medium in which the heat conduction equation is given in its simplest form as2Tx2=1Tt Is... Problem 26P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 27P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 28P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 29P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 30P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 31P: Consider a medium in which the heat conduction equation is given in its simplest form... Problem 32P: Starting with an energy balance on a volume element, derive the two-dimensional transient heat... Problem 33P Problem 34P Problem 35CP: What is a boundary condition? How many boundary conditions do we need to specify for a... Problem 36CP: What is an initial condition? How many initial conditions do we need to specify for a... Problem 37CP: What is a thermal symmetry boundary condition? How is it expressed mathematically? Problem 38CP: How is the boundary condition on an insulated surface expressed mathematically? Problem 39CP: It is claimed that the temperature profile in a medium must be perpendicular to an insulated... Problem 40CP: Why do we try to avoid the radiation boundary conditions in heat transfer analysis? Problem 41P: Consider an aluminum pan used to cook stew on top of an electric range. The bottom section of the... Problem 42P Problem 43P Problem 44P: Heat is generated in a long wire of radius ro at a constant rate of egen per unit volume. The wire... Problem 45P: Consider a long pipe of inner radius r1, Outer radius r2, and thermal conductivity k. The outer... Problem 46EP: A 2-kW resistance heater wire whose thermal conductivity is k=10.4Btu/h.ft.R has a radius of ro=0.06... Problem 47P Problem 48P Problem 49P: Consider a spherical shell of inner radius r1, outer radius r2, thermal conductivity k, and... Problem 50P: A container consists of two spherical layers, A and B, that are in perfect contact. If the radius of... Problem 51P: A spherical metal ball of radius ro is heated in an oven to a temperature of Ti throughout and is... Problem 52P Problem 53CP: It is stated that the temperature in a plane wall with constant thermal conductivity and no heat... Problem 54CP: Consider one-dimensional heat conduction through a large plane wall with no heat generation that is... Problem 55CP: Consider a solid cylindrical rod whose side surface is maintained at a constant temperature while... Problem 56CP: Consider a solid cylindrical rod whose ends are maintained at constant but different temperature... Problem 57P Problem 58P Problem 59P Problem 60P: Consider a 20-cm-thick concrete plane wall (k=0.77W/m.K) subjected to convection on both sides... Problem 61P Problem 62P Problem 63P Problem 64P Problem 65EP Problem 66P Problem 67P: Consider a chilled-water pipe of length L, inner radius r1, outer radius r2, and thermal... Problem 68EP Problem 69P Problem 70P Problem 71P Problem 72P Problem 73P Problem 74P Problem 75P Problem 76P Problem 77P Problem 78CP Problem 79CP: Does heat generation in a solid violate the first law of thermodynamics, which states that energy... Problem 80CP Problem 81CP Problem 82CP Problem 83P Problem 84P Problem 85P: Consider a large 3-cm thick stainless steel plate (k=15.1W/m.k) in which heat is generated uniformly... Problem 86P Problem 87EP Problem 88P Problem 89P Problem 90P Problem 91EP: Heat is generated uniformly at a rate of 3 kW per ft length in a 0.08-in diameter electric... Problem 92P Problem 93P Problem 94P Problem 95P Problem 96P Problem 97P Problem 98P Problem 99P Problem 100P Problem 101P Problem 102P Problem 103P Problem 104CP Problem 105CP: When the thermal conductivity of a medium varies linearly with temperature, is the average thermal... Problem 106CP: The temperature of a plane wall during steady one-dimensional heat conduction varies linearly when... Problem 107CP: Consider steady one-dimensional heat conduction in a plane wall in which the thermal conductivity... Problem 108CP Problem 109P Problem 110P Problem 111P Problem 112P: Consider a plane wall of thickness L whose thermal conductivity varies in a specified temperature... Problem 113P Problem 114P Problem 115P: A pipe is used for transporting boiling water in which the inner surface is at 100C. The pipe is... Problem 116P Problem 117P Problem 118P: Consider a spherical shell of inner radius r1 and outer radius r2 whose thermal conductivity varies... Problem 119P Problem 120P: A spherical tank is filled with ice slurry, where its inner surface is at 0C. The tank has an inner... Problem 121CP Problem 122CP Problem 123CP: Can a differential equation involve more than one independent variable? Can it involve more than one... Problem 124CP Problem 125CP Problem 126CP Problem 127CP Problem 128CP: How is integation related to derivation? Problem 129CP Problem 130CP Problem 131CP: How is the order of a differential equation determined? Problem 132CP: How do you distinguish a linear differential equation from a nonlinear one? Problem 133CP: How do you recognize a linear homogeneous differential equation? Give an example and explain why it... Problem 134CP: How do differential equations with constant coefficients differ from those with variable... Problem 135CP: What kinds of differential equations can be solved by direct integration? Problem 136CP: Consider a third-order linear and homogeneous differential equation. How many arbitrary constants... Problem 137P: A large plane wall, with a thickness L and a thermal conductivity k, has its left surface (x=0)... Problem 138P Problem 139EP Problem 140P: A spherical vessel has an inner radius r1 and an outer radius r2. The inner surface (r=r1) of the... Problem 141P: Consider a short cylinder of radius r0 and height H in which heat is generated at a constant rate of... Problem 142P Problem 143P Problem 144P: Consider a 20-cm-thick large concrete plane wall (k=0.77W/m.K) and subjected to convection on both... Problem 145P Problem 146P Problem 147EP Problem 148P Problem 149P: In a manufacturing plant, a quench hardening process is used to treat steel ball bearings... Problem 150P: Consider a water pipe of length L=17m, inner radius r1=15cm, outer radius r2=20cm and and thermal... Problem 151P Problem 152P: Consider a spherical reactor of 5-cm diameter operating at steady conditions with a temperature... Problem 153P: Consider a cylindrical sheel of length L, inner radius r1, and outer radius r2 whose thermal... Problem 154P: A pipe is used for transporting boiling water in which the inner surface is at 100C. The pipe is... Problem 155P: A metal spherical tank is filled with chemicals undergoing an exothermic reaction. The reaction... Problem 156P: The heat conduction equation in a medium is given in its simplest form as1rddr(rkdTdr)+egen=0 Select... Problem 157P: Consider a medium in which the heat conduction equation is given in its simplest forms... Problem 158P: Consider a large plane wall of thicness L, thermal conductivity k, and surface area A. The left... Problem 159P: A solar heat flux qs is incident on a sidewalk whose thermal conductivity is k, solar absorptivity... Problem 160P: A plane wall of thickness L is subjected to convection at both surfaces with ambient temperature T1... Problem 161P: Consider steady one-dimensional heat conduction through a plane wall, a cylindrical shell, and a... Problem 162P: The conduction eqution boundary condition for an adiabatic surface with direcetion n being normal to... Problem 163P Problem 164P Problem 165P: The temperatures at the inner and outer surfaces of a 15-cm-thick plane wall are measured to be 40C... Problem 166P: The thermal conductivity of a solid depends upon the solids temperature as k=aT+b where a and b are... Problem 167P Problem 168P Problem 169P Problem 170P Problem 171P Problem 172P: Write essay on heat generation in nuc1e e1 rods. Obtain information on the ranges of heat... Problem 173P: Write an interactive computer program to calculate the heat transfer rate and the value of... Problem 174P format_list_bulleted