The presence of thermal reservoir of a Geothermal Power Plant, supplements the generation of power and energy What is then the thermal energy at the reservoir if the temperatures of the reservoir and a reference point are 315 Cand 295 C respectively with volumetric specific heat and the vakue at the reservoir are 78 K/KG and 155 cumeter. A) 241,800 KI B 352,500 KI 421,850 KJ D. 541, 820 KJ

The presence of thermal reservoir of a Geothermal Power Plant, supplements the generation of power and energy What is then the thermal energy at the reservoir if the temperatures of the reservoir and a reference point are 315 Cand 295 C respectively with volumetric specific heat and the vakue at the reservoir are 78 K/KG and 155 cumeter. A) 241,800 KI B 352,500 KI 421,850 KJ D. 541, 820 KJ

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.29P

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2.44 To determine the thermal conductivity of a long, solid 2.5-cm-diameter rod, one half of the rod was inserted into a furnace while the other half was projecting into air at . After steady state had been reached, the temperatures at two points 7.6 cm apart were measured and found to be and , respectively. The heat transfer coefficient over the surface of the rod exposed to the air was estimated to be 22.7 . What is thermal conductivity of the rod?
Show that the rate of heat conduction per unit length through a long, hollow cylinder of inner radius ri and outer radius ro, made of a material whose thermal conductivity varies linearly with temperature, is given by qkL=TiTo(rori)/kmA where Ti = temperature at the inner surface To = temperature at the outer surface A=2(rori)/ln(ro/ri)km=ko[1+k(Ti+To)/2]L=lenthofcyclinder
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