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(a) Calculate the heat flow if the wall of the copper chamber is maintained at a temperature of 60 °C and water in the cooling system has a temperature of 30 °C at steady state operation. The convective heat transfer coefficient for the coolant at the selected pump speed is estimated to be 2500 W.m²K1. (b) If the copper chamber is at 60 °C as stated above, would you expect the temperature of your processor to be higher or lower? Explain. (c) The copper chamber contains 3 cm³ of water. If the pump on your cooling system breaks down, calculate how long it will take to heat this volume of water that is now static in the chamber to 100 °C ? How long should it take for this volume of water to boil away? What will be the effect on heat transfer from your processor?

(a) Calculate the heat flow if the wall of the copper chamber is maintained at a temperature of 60 °C and water in the cooling system has a temperature of 30 °C at steady state operation. The convective heat transfer coefficient for the coolant at the selected pump speed is estimated to be 2500 W.m²K1. (b) If the copper chamber is at 60 °C as stated above, would you expect the temperature of your processor to be higher or lower? Explain. (c) The copper chamber contains 3 cm³ of water. If the pump on your cooling system breaks down, calculate how long it will take to heat this volume of water that is now static in the chamber to 100 °C ? How long should it take for this volume of water to boil away? What will be the effect on heat transfer from your processor?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Q3) A liquid cooling system for the graphics processing unit (GPU) of a computer consists of a small copper chamber with an area of 3 x 3 cm that is bonded with thermal paste to the GPU. The chamber is cooled by forcing the coolant (assumed to be water) through the chamber by means of a pump. The coolant flows in a closed loop path through the chamber and then through external pipes to a fluid reservoir and a radiator where the heat is extracted and ejected from the computer. (a) Calculate the heat flow if the wall of the copper chamber is maintained at a temperature of 60 °C and water in the cooling system has a temperature of 30 °C at steady state operation. The convective heat transfer coefficient for the coolant at the selected pump speed is estimated to be 2500 W.m?K-1. (b) If the copper chamber is at 60 °C as stated above, would you expect the temperature of your processor to be higher or lower? Explain. (c) The copper chamber contains 3 cm³ of water. If the pump on your cooling system breaks down, calculate how long it will take to heat this volume of water that is now static in the chamber to 100 °C ? How long should it take for this volume of water to boil away? What will be the effect on heat transfer from your processor?
Transcribed Image Text:Q3) A liquid cooling system for the graphics processing unit (GPU) of a computer consists of a small copper chamber with an area of 3 x 3 cm that is bonded with thermal paste to the GPU. The chamber is cooled by forcing the coolant (assumed to be water) through the chamber by means of a pump. The coolant flows in a closed loop path through the chamber and then through external pipes to a fluid reservoir and a radiator where the heat is extracted and ejected from the computer. (a) Calculate the heat flow if the wall of the copper chamber is maintained at a temperature of 60 °C and water in the cooling system has a temperature of 30 °C at steady state operation. The convective heat transfer coefficient for the coolant at the selected pump speed is estimated to be 2500 W.m?K-1. (b) If the copper chamber is at 60 °C as stated above, would you expect the temperature of your processor to be higher or lower? Explain. (c) The copper chamber contains 3 cm³ of water. If the pump on your cooling system breaks down, calculate how long it will take to heat this volume of water that is now static in the chamber to 100 °C ? How long should it take for this volume of water to boil away? What will be the effect on heat transfer from your processor?
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