Material 1- BRASSThe below shown graph is drawn from thetabulated values of steel which we measuredduring the experiment of thermal(Diameter = 25mm)conductivity: (Consider the value of heaterpower (Q') and the area of cross section (A)of the material from the tabulated values)PowerX-axis 1 unit =1 cmy-axis 1 unit = 10°CTemperature (°C)50-Q'1 2 3 4 5 6 7 8(W)14.65 79 77.4 76 50.1 46.5 42.4 36 34.5 :20-10-Distance X in cm12310Material 2 - STEELCalculate the following:Thermal conductivity of(Diameter = 25mm)steelCalculatedValuequantitiesPowerDifference in temperature(AT) C° (with sign)Difference in distanceTemperature (°C)between test points (Ax) cmSlope from the graph °C/m(with sign)Q'1(W)2 3 78Thermal conductivity of steelksb W/m°C14.2 88.6 87.5 85 33.9 33.6 32.4

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Material 1- BRASS The below shown graph is drawn from the tabulated values of steel which we measured during the experiment of thermal (Diameter = 25mm) conductivity: (Consider the value of heater %3D power (Q') and the area of cross section (A) of the material from the tabulated values) X-axis 1 unit = 1 cm Power y-axis 1 unit = 10°c Temperature (°C) 50- Q' 1 2 3 4 5 6 7 8. 40- (W) 30 14.65 79 77.4 76 50.1 46.5 42.4 36 34.5 : 20- 10- 1 2 3456 789 10 Distance X in cm Material 2 - STEEL Calculate the following: Thermal conductivity of (Diameter = 25mm) steel Calculated Value quantities Power Difference in temperature (AT) C° (with sign) Difference in distance Temperature (°C) between test points (Ax) cm Slope from the graph °C/m (with sign) Q' 1 2 3 7 (W) 8 Thermal conductivity of steel ksb W/m°C 14.2 88.6 87.5 85 33.9 33.6 32.4

Material 1- BRASS The below shown graph is drawn from the tabulated values of steel which we measured during the experiment of thermal (Diameter = 25mm) conductivity: (Consider the value of heater %3D power (Q') and the area of cross section (A) of the material from the tabulated values) X-axis 1 unit = 1 cm Power y-axis 1 unit = 10°c Temperature (°C) 50- Q' 1 2 3 4 5 6 7 8. 40- (W) 30 14.65 79 77.4 76 50.1 46.5 42.4 36 34.5 : 20- 10- 1 2 3456 789 10 Distance X in cm Material 2 - STEEL Calculate the following: Thermal conductivity of (Diameter = 25mm) steel Calculated Value quantities Power Difference in temperature (AT) C° (with sign) Difference in distance Temperature (°C) between test points (Ax) cm Slope from the graph °C/m (with sign) Q' 1 2 3 7 (W) 8 Thermal conductivity of steel ksb W/m°C 14.2 88.6 87.5 85 33.9 33.6 32.4

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.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.71P: 1.71 The thermal conductivity of silver at 212°F is 238 Btu/h ft °F. What is the conductivity in SI...

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