Air is blown into the electronic parts of a computer from one opening by the fan, and air is expelled from another opening. The air blown in is blown continuously (steady-state) at a temperature of 20 ℃ and a pressure of 1 atm. In order to keep the noise level low, the blow-in speed of the air is a maximum of 1.3 m/s. In addition, the temperature of the exhausted air is limited to 32 ℃. While the electronic systems of this computer consume 80 kW of energy, the fan system consumes 18 kW of energy. Calculate the minimum required opening area at the air inlet when heat transfer with the environment, changes in kinetic energy and potential energy are neglected.
Air is blown into the electronic parts of a computer from one opening by the fan, and air is expelled from another opening. The air blown in is blown continuously (steady-state) at a temperature of 20 ℃ and a pressure of 1 atm. In order to keep the noise level low, the blow-in speed of the air is a maximum of 1.3 m/s. In addition, the temperature of the exhausted air is limited to 32 ℃. While the electronic systems of this computer consume 80 kW of energy, the fan system consumes 18 kW of energy. Calculate the minimum required opening area at the air inlet when heat transfer with the environment, changes in kinetic energy and potential energy are neglected.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Air is blown into the electronic parts of a computer from one opening by the fan, and air is expelled from another opening. The air blown in is blown continuously (steady-state) at a temperature of 20 ℃ and a pressure of 1 atm. In order to keep the noise level low, the blow-in speed of the air is a maximum of 1.3 m/s. In addition, the temperature of the exhausted air is limited to 32 ℃. While the electronic systems of this computer consume 80 kW of energy, the fan system consumes 18 kW of energy. Calculate the minimum required opening area at the air inlet when heat transfer with the environment, changes in kinetic energy and potential energy are neglected.
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