lab_report_2 - ISTANBUL TECHNICAL UNIVERSITY MECHANICAL...

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ISTANBUL TECHNICAL UNIVERSITY MECHANICAL ENGINEERING FACULTY EXPERIMENTAL METHODS in MECHANICAL ENGINEERING HEAT CONDUCTION EXPERIMENT LAB REPORT 2 Zeynep G. Çolak 030010128 Heat Conduction Experiment
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1- AIM OF THE EXPERIMENT: Determination of the temperature distribution. Determination of the thermal conductivity of brass experimantally. Comparison of k value of the brass found from this experiment with published data. Uncertainity analysis of the experiment. 2- INTRODUCTION In the simplest of terms, the discipline of heat transfer is concerned with only two things: temperature , and the flow of heat . Temperature represents the amount of thermal energy available, whereas heat flow represents the movement of thermal energy from place to place. On a microscopic scale, thermal energy is related to the kinetic energy of molecules. The greater a material's temperature, the greater the thermal agitation of its constituent molecules (manifested both in linear motion and vibrational modes). It is natural for regions containing greater molecular kinetic energy to pass this energy to regions with less kinetic energy. Several material properties serve to modulate the heat tranfered between two regions at differing temperatures. Examples include thermal conductivities, specific heats, material densities, fluid velocities, fluid viscosities, surface emissivities, and more. Taken together, these properties serve to make the solution of many heat transfer problems an involved
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lab_report_2 - ISTANBUL TECHNICAL UNIVERSITY MECHANICAL...

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