Fundamentals of Heat and Mass Transfer
7th Edition
ISBN: 9780470917855
Author: Bergman, Theodore L./
Publisher: John Wiley & Sons Inc
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Chapter 11, Problem 11S.10P
To determine
Total tube surface area in problem 11.67 using the LMTD method
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Chapter 11 Solutions
Fundamentals of Heat and Mass Transfer
Ch. 11 - In a fire-tube boiler, hot products of combustion...Ch. 11 - A shell-and-tube heat exchanger is to heat an...Ch. 11 - A steel tube (k=50W/mK) of inner and outer...Ch. 11 - A heat recovery device involves transferring...Ch. 11 - A novel design for a condenser consists of a tube...Ch. 11 - The condenser of a steam power plant...Ch. 11 - Thin-walled aluminum tubes of diameter D = 10mmare...Ch. 11 - A tinned-tube, cross-how heat exchanger is to use...Ch. 11 - Water at a rate of 45,500kg/h is heated from 80...Ch. 11 - A novel heat exchanger concept consists of a...
Ch. 11 - Prob. 11.12PCh. 11 - A process fluid having a specific heat of...Ch. 11 - A shell-and-tube exchanger (two shells, four tube...Ch. 11 - Consider the heat exchanger of Problem 11.14....Ch. 11 - The hot and cold inlet temperatures to a...Ch. 11 - A concentric tube heat exchanger of length L = 2 m...Ch. 11 - A counterflow, concentric tube heat exchanger is...Ch. 11 - Consider a concentric tube heat exchanger with an...Ch. 11 - A shell-and-tube heat exchanger must be designed...Ch. 11 - A concentric tube heat exchanger for cooling...Ch. 11 - A counterflow, concentric tube heat exchanger used...Ch. 11 - An automobile radiator may be viewed as a...Ch. 11 - Hot air for a large-scale drying operation is to...Ch. 11 - In a dairy operation, milk at a flow rate of 250...Ch. 11 - The compartment heater of an automobile...Ch. 11 - A counterflow, twin-tube heat exchanger is made...Ch. 11 - Consider a coupled shell-in-tube heat exchange...Ch. 11 - For health reasons, public spaces require the...Ch. 11 - A shell-and-tube heat exchanger (1 shell pass, 2...Ch. 11 - Saturated water vapor leaves a steam turbine at a...Ch. 11 - The human brain is especially sensitive to...Ch. 11 - Prob. 11.47PCh. 11 - A plate-tin heat exchanger is used to condense a...Ch. 11 - In a supercomputer, signal propagation delays...Ch. 11 - Untapped geothermal sites in the United States...Ch. 11 - A shell-and-tube heat exchanger consists of 135...Ch. 11 - An ocean thermal energy conversion system is...Ch. 11 - Prob. 11.55PCh. 11 - Prob. 11.56PCh. 11 - The chief engineer at a university that is...Ch. 11 - A shell-and-tube heat exchanger with one shell...Ch. 11 - Prob. 11.59PCh. 11 - Prob. 11.60PCh. 11 - Prob. 11.61PCh. 11 - Prob. 11.62PCh. 11 - A recuperator is a heat exchanger that heats air...Ch. 11 - Prob. 11.64PCh. 11 - Prob. 11.65PCh. 11 - A cross-flow heat exchanger consists of a bundle...Ch. 11 - Exhaust gas from a furnace is used to preheat the...Ch. 11 - Prob. 11.68PCh. 11 - A liquefied natural gas (LNG) regasification...Ch. 11 - Prob. 11.70PCh. 11 - A shell-and-tube heat exchanger consisting of...Ch. 11 - Prob. 11.73PCh. 11 - The power needed to overcome wind and friction...Ch. 11 - Prob. 11.75PCh. 11 - Consider a Rankine cycle with saturated steam...Ch. 11 - Consider the Rankine cycle of Problem 11.77,...Ch. 11 - Prob. 11.79PCh. 11 - Prob. 11.80PCh. 11 - Hot exhaust gases are used in a...Ch. 11 - Prob. 11.84PCh. 11 - Prob. 11.90PCh. 11 - Prob. 11S.1PCh. 11 - Prob. 11S.2PCh. 11 - Prob. 11S.3PCh. 11 - Solve Problem 11.15 using the LMTD method.Ch. 11 - Prob. 11S.5PCh. 11 - Prob. 11S.6PCh. 11 - Prob. 11S.8PCh. 11 - Prob. 11S.10PCh. 11 - Prob. 11S.11PCh. 11 - A cooling coil consists of a bank of aluminum...Ch. 11 - Prob. 11S.17P
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- Mot water is used to heat air in a double-pipe heat exchanger as shown in the following sketch. If the heat transfer coefficients on the water side and on the air side are 550W/m2Kand55W/m2K respectively, calculate the overall heat transfer coefficient based on the outer diameter. The heat exchanger pipe is 5-cm, schedule 40 steel (k=54W/mK) with water inside.arrow_forwardWater flowing in a long, aluminum lube is to be heated by air flowing perpendicular to the exterior of the tube. The ID of the tube is 1.85 cm, and its OD is 2.3 cm. The mass flow rate of the water through the tube is 0.65kg/s, and the temperature of the water in the lube averages 30C. The free-stream velocity and ambient temperature of the air are 10m/sand120C, respectively. Estimate the overall heat transfer coefficient for the heat exchanger using appropriate correlations from previous chapters. State all your assumptions.arrow_forward10.1 In a heat exchanger, as shown in the accompanying figure, air flows over brass tubes of 1.8-cm 1D and 2.1-cm OD containing steam. The convection heat transfer coefficients on the air and steam sides of the tubes are , respectively. Calculate the overall heal transfer coefficient for the heal exchanger (a) based on the inner tube area and (b) based on the outer tube area.arrow_forward
- Design a concentric tube heat exchanger for cooling lubricating oil that is comprised of a thin- walled inner tube of 25-mm diameter carrying water and an outer tube of 50-mm diameter carrying the oil. The exchanger operates in Parallel flow. The specific heat for water and oil are 4200 and 1900 J/kg.K and the surface heat coefficient of water and oil are 150 and 200 W/(m?.K) , respectively. Assume conduction heat transfer through the wall is negligible.arrow_forwardHello Sir,Good Evening. I have a question in my homework related Heat Transfer lesson. The following below is my question. Please Advice. Thank You "Explain the equation used to calculate the heat flux of a counter flow type heat exchanger with a fouling factor using the LMTD concept. Write down the equations involved"arrow_forward1starrow_forward
- Objectives of this experimentarrow_forward05. Choose (A) or (B) (A) In a food processing plant a brine solution is heated from 6°C to 12°C in a double pipe heat exchanger by water entering at 50°C and leaving at 40°C at the rate of 0.166kg/s. If the overall heat transfer coefficient is 850 W/(m.K ), what heat exchanger area is required for (1) parallel flow heat exchanger and (2) counter flow heat exchanger. Discuss the results?. Take C, (for water)= 4.180 kJ/kg.K [20 M]arrow_forwardplease show full and detailed solution. i need as soon as possible.arrow_forward
- Counter flow heat exchangers and generally known to provide higher heattransfer compared to parallel flow heat exchangers. Evaluate, under whatconditions that a parallel flow heat exchanger may have advantages incomparison to a counter flow heat exchangerarrow_forwardSingle-shell, two-tube pass heat exchanger with surface area 0.4 m? and overall heat transfer coefficient of 1800 W/m2-K; saturated steam at 110°C condenses on one side while water at a flow rate of 0.35 kg/s enters at 17°C. Calculate (a) Outlet temperature of the water (b) Rate of condensation of steam. cp(water)=4179 J/kg. K. 916 I Thermodynamics TABLE A-4 Saturated water-Temperature table Internal energy, Specific volume, m/kg Enthalpy. KJ/kg Entropy, kJ/kg - K k/kg Sa. Sat Sat. Sat. Sat. Sat. Sat. Sat. liquid, Evap., vapor, Sat. Temp., liquid, liquid, Evap.. liquid, Evap., press. Pst kPa vapor, vapor, vapor, T°C Up he 0.001000 0.001000 0.000 21.019 42.020 2374.9 2374.9 0.001 21.020 42.022 0.0000 9.1556 9.1556 0.0763 0.1511 8.7488 8.8999 0.2245 8.5559 8.7803 0.2965 8.3696 8.6661 0.01 5 10 0.6117 0.8725 1.2281 206.00 147.03 106.32 2360.8 2346.6 2381.8 2388.7 2500.9 2489.1 2477.2 2500.9 2510.1 2519.2 8.9487 9.0249 15 20 0.001000 0.001001 2.3392 0.001002 2332.5 2318.4 2395.5 2402.3…arrow_forwardIllustrate example of heat exchanger with baffle. Explain the role of the bafflesin a shell-and-tube heat exchanger?arrow_forward
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