T T - (T-T Je m ambicnt hase ambicnt where hp VKA m= and h = the heat transfer coefficient (W/m² · K) p = perimeter 2 * (a + b)of the fin (m) A – cross-sectional area of the fin (a * b) (m²) k = thermal conductivity of the fin material (W/m - K) Plot the temperature distribution along the fin using the following data: k = 168 W/m - K, h=12 W/m² · K, a = 0.05 m, and b= 0.01 m. Vary x from 0 to 0.1 m in increments of 0.01 m.

T T - (T-T Je m ambicnt hase ambicnt where hp VKA m= and h = the heat transfer coefficient (W/m² · K) p = perimeter 2 * (a + b)of the fin (m) A – cross-sectional area of the fin (a * b) (m²) k = thermal conductivity of the fin material (W/m - K) Plot the temperature distribution along the fin using the following data: k = 168 W/m - K, h=12 W/m² · K, a = 0.05 m, and b= 0.01 m. Vary x from 0 to 0.1 m in increments of 0.01 m.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.12P

See similar textbooks

Similar questions

Heat Transfer: Introduction to Extended Surfaces, General Conduction Analysis How do you increase the heat transfer in a system with fins? What are the implications of these changes made in the system?
HEAT TRANSFER A mild steel steam pipe with an outer diameter of 11.43 cm and inner diameter of 10.226 cm is covered with 2.5 cm layer of 85% magnesia. The outer surface temperature is 65°C. Determine the heat loss per hour per meter of the pipe. Assuming that the steam is saturated at the pressure of 1.14 MPa, its temperature is 185.68°C. k (steel) = 55.4; k (magnesia, 85%) = 0.0727 W/m-K
Question 1:A glass window of width W = 1 m and height H = 2 m is 5 mm thick and has a thermal conductivity of kg=1.4 W/m.K. If the inner and outer surface temperatures of the glass are 15oC and -20oC, respectively, ona cold winter day, what is the rate of heat loss throughthe glass? To reduce heat loss through windows, it iscustomary to use a double pane construction in whichadjoining panes are separated by an air space. If thespacing is 10 mm and the glass surfaces in contact withthe air have temperatures of (last two digit of your Registration number) oC and -15oC, what isthe rate of heat loss from a 1 m x 2 m window? Thethermal conductivity of air is ka=0.024 W/m.K.
Answer all questions strictly otherwise dont attempt it. conduction convection experimentIf the material of the fins can be changed to reduce the total thermal resistance, which material is advantageous to use?If you could change the speed or temperature of the air to reduce the total thermal resistance, how would you change it?List all the causes that can cause errors in your conclusions, and consider how changes in those causes affect the results.
Determine the temperature variation inside the iron plate with a thickness of 1.5 mm, cross-sectional area of 310 cm^2, convection heat transfer coefficient of 11 W/(m^2K), room temperature of 18 C. The electrical power required to operate the iron is 2 kW and the thermal conductivity of the iron is 21 W/(mK). a)-2517x+5412 b)-5412x+2517 c)5888x-3072 d)-3072x+5888 e)none
A horizontal pipe having a surface temperature of 67 °C and diameter of 20 cm is buried at a depth of 1 m in the earth at a location where k = 1.8 W/m-°C. The earth surface temperature is 15 °C. Calculate the shape factor if the pipe length is 10 m.
Hot engine oil is being transported in a horizontal pipe (k = 15 W/m∙K, Di = 5 cm) with a wall thickness of 5 mm. The pipe is covered with a 5-mm-thick layer of insulation (k = 0.15 W/m∙K). A length of 2 m of the outer surface is exposed to cool air at 10°C. If the pipe inner surface temperature is at 90°C, determine the outer surface temperature. Hint: The pipe outer surface temperature has to be found iteratively. Begin the calculations by using a film temperature of 50°C.
Define and explain the physical significance of the following:(a)prandtl number(b) Reynolds number (c)Nusselt number In which mode of heat transfer is the convection heat transfer coefficient usually higher, natural convection or force convection?why?
A steam pipe (inner diameter = 150 mm and outer diameter = 160 mm) havingthermal conductivity 58 W/m. °C is covered with two layers of insulation, ofthickness 30 mm and 50 mm respectively and thermal conductivities 0.18 W/m. °Cand 0.09 W/m .°C respectively. The temperature of the inner surface of steam pipeis 320°C and that of the outer surface of the insulation layers is 40°C.Determine the quantity of heat lost per meter length of steam pipe and layercontact temperature,
What is the fin effectiveness of a rectangular plate fin made of aluminum O.3 mm thick mounted on a 16-mm-OD tube if the vertical tube spacing is 50 mm and the horizontal spacing is 40 mm? The air-side heat-transfer coefficient is 65 W/m2 • K, and the conductivity of aluminum is 202 W/m • K. Ans. ƞ is 0. 72 Please provide a comprehensive step by step solution on how to get the answer.
A fluid has a temperature of 100C and thermal film coefficient of 50 W/m^2-K. Solve for the heat transferred per sq m of contact if the surface it is in contact with has a surface temperature of 20C.
Water at 5°C is being used to cool apples from an initial temperature of 25° to 10°C. Thewater flow over the surface of the apple creates a convective heat-transfer coefficientof 15 W/(m2-K). Assume the apple can be described as a sphere with a 10 cm diameterand the geometric center is to be reduced to 10°C. The apple properties include thermalconductivity of 0.45 W/(m-K), specific heat of 3.950 kJ/(kg-K), and density of 940 kg/m3.a. Determine the time that the apples must be exposed to the water.b. If the apple is submerged only for 2 hours, what will be its center temperature?