Problem 2.1P: A plane wall, 7.5 cm thick, generates heat internally at the rate of 105 W/m3. One side of the wall... Problem 2.2P:
2.2 A small dam, which is idealized by a large slab 1.2 m thick, is to be completely poured in a... Problem 2.3P: 2.3 The shield of a nuclear reactor is idealized by a large 25-cm-thick flat plate having a thermal... Problem 2.4P: A plane wall 15 cm thick has a thermal conductivity given by the relation k=2.0+0.0005T[W/mK] where... Problem 2.5P: 2.5 Derive an expression for the temperature distribution in a plane wall in which there are... Problem 2.6P: A plane wall of thickness 2L has internal heat sources whose strength varies according to... Problem 2.7P: 2.7 A very thin silicon chip is bonded to a 6-mm thick aluminum substrate by a 0.02-mm thick epoxy... Problem 2.8P Problem 2.9P: 2.9 In a large chemical factory, hot gases at 2273 K are cooled by a liquid at 373 K with gas-side... Problem 2.10P Problem 2.11P Problem 2.12P Problem 2.13P Problem 2.14P: 2.14 Calculate the rate of heat loss per foot and the thermal resistance for a 15-cm schedule 40... Problem 2.15P: 2.15 Suppose that a pipe carrying a hot fluid with an external temperature of and outer radius is... Problem 2.16P Problem 2.17P Problem 2.18P: Estimate the rate of heat loss per unit length from a 5-cm ID, 6-cm OD steel pipe covered with... Problem 2.19P: The rate of heat flow per unit length q/L through a hollow cylinder of inside radius ri and outside... Problem 2.20P: A 2.5-cm-OD, 2-cm-ID copper pipe carries liquid oxygen to the storage site of a space shuttle at... Problem 2.21P Problem 2.22P: A cylindrical liquid oxygen (LOX) tank has a diameter of 1.22 m, a length of 6.1 m, and... Problem 2.23P Problem 2.24P Problem 2.25P: Show that the rate of heat conduction per unit length through a long, hollow cylinder of inner... Problem 2.26P Problem 2.27P: Derive an expression for the temperature distribution in an infinitely long rod of uniform cross... Problem 2.28P: Heat is generated uniformly in the fuel rod of a nuclear reactor. The rod has a long, hollow... Problem 2.29P: 2.29 In a cylindrical fuel rod of a nuclear reactor, heat is generated internally according to the... Problem 2.30P: 2.30 An electrical heater capable of generating 10,000 W is to be designed. The heating element is... Problem 2.31P: A hollow sphere with inner and outer radii of R1 and R2, respectively, is covered with a layer of... Problem 2.32P Problem 2.33P Problem 2.34P: 2.34 Show that the temperature distribution in a sphere of radius . made of a homogeneous material... Problem 2.35P Problem 2.36P Problem 2.37P Problem 2.38P:
2.38 The addition of aluminum fins has been suggested to increase the rate of heat dissipation from... Problem 2.39P: The tip of a soldering iron consists of a 0.6-cm- diameter copper rod, 7.6 cm long. If the tip must... Problem 2.40P: One end of a 0.3-m-long steel rod is connected to a wall at 204C. The other end is connected to a... Problem 2.41P: Both ends of a 0.6-cm copper U-shaped rod are rigidly affixed to a vertical wall as shown in the... Problem 2.42P: 2.42 A circumferential fin of rectangular cross section, 3.7-cm OD and 0.3 cm thick, surrounds a... Problem 2.43P: 2.43 A turbine blade 6.3 cm long, with cross-sectional area and perimeter , is made of stainless... Problem 2.44P: 2.44 To determine the thermal conductivity of a long, solid 2.5-cm-diameter rod, one half of the rod... Problem 2.45P: 2.45 Heat is transferred from water to air through a brass wall . The addition of rectangular brass... Problem 2.46P: 2.46 The wall of a liquid-to-gas heat exchanger has a surface area on the liquid side of with a... Problem 2.47P Problem 2.48P: The handle of a ladle used for pouring molten lead is 30 cm long. Originally the handle was made of... Problem 2.49P Problem 2.50P: 2.50 Compare the rate of heat flow from the bottom to the top of the aluminum structure shown in the... Problem 2.51P: 2.51 Determine by means of a flux plot the temperatures and heat flow per unit depth in the ribbed... Problem 2.52P Problem 2.53P: Determine the rate of heat transfer per meter length from a 5-cm-OD pipe at 150C placed... Problem 2.54P Problem 2.55P: 2.55 A long, 1-cm-diameter electric copper cable is embedded in the center of a 25-cm-square... Problem 2.56P Problem 2.57P Problem 2.58P Problem 2.59P Problem 2.60P Problem 2.61P Problem 2.62P Problem 2.63P Problem 2.64P Problem 2.1DP Problem 2.2DP Problem 2.3DP Problem 2.4DP format_list_bulleted