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1 2 3 4 5 6 7 8 9 Cooled Sec. Intermediate Sec Heated Sec. HEAT CONDUCTION LAB REPORT MAK 411E Can Tümer 030050282 ENERJ İ Yrd. Doç. Dr. Murat Çakan CRN:11713 17/11/2008

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Pa g e | 2 The Purpose of the Experiment Our aim is to determine the thermal conductivity of a solid material. In our experiment, we will try to find out the thermal conductivity of brass. The Experiment Theory As the drawing suggests, the Fourier equation can be applied to the section represented below; The heat flux through the block; =- * [ ] k QA dxdθ WmK As we can see, the temperature differences will bring out the thermal conductivity of brass. So we perform the experiment using this information; Test no. Q (Watt) θ1℃ θ2℃ θ3℃ θ4℃ θ5℃ θ6℃ θ7℃ θ8℃ θ9℃ 1 5 28,7 29,5 29,4 26,2 25,6 25,5 19 18,9 18,5 2 10 47,3 47,1 47 39,3 38 37,8 20,1 19,6 19,9 After noting the temperature differences throughout the block, we can see the corresponding distributions just by looking at their graphics; From this point, we can easily calculate the thermal conductivity of brass; For Q=5 W; = - , + , , = * = * , = , y 0 035x 27 167 A
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