Shown in the figure, a card is cooled with water. To cool the card Water 0.4 m / s in the circular pipe system placed on the bottom average speed and entering at a temperature of 20 oC, at a temperature of 24 oC comes out. Electronic components on the board of 1.5 kW they produce energy. At the same time, from the card surface to the medium Approximately 0.05 kW of heat loss occurs by convection. Continuous flow Find the mass flow rate of the water for the conditions. Specific heat of water You can get = 4.22 as ?? / ???

Shown in the figure, a card is cooled with water. To cool the card Water 0.4 m / s in the circular pipe system placed on the bottom average speed and entering at a temperature of 20 oC, at a temperature of 24 oC comes out. Electronic components on the board of 1.5 kW they produce energy. At the same time, from the card surface to the medium Approximately 0.05 kW of heat loss occurs by convection. Continuous flow Find the mass flow rate of the water for the conditions. Specific heat of water You can get = 4.22 as ?? / ???

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter2: Magnetic Induction

Section: Chapter Questions

Problem 10RQ: What electronic component is often used to prevent large voltage spikes from being produced when the...

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