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Is pressure constant through a heat exchanger?

Is pressure constant through a heat exchanger?

Because fluid flow always leads to pressure drop, pressure is not constant in heat exchangers. The pressure in the heat exchanger is not constant because fluid flow always leads to pressure drop.

What stays constant in a heat exchanger?

Heat exchangers are devices where two moving fluid streams exchange heat without mixing. Heat is transferred from the hot fluid to the cold one. Under steady operation, the mass flow rate of each fluid stream flowing through a heat exchanger remains constant.

What type of flow in a heat exchanger keeps fluids flow perpendicular to one another?

Cross flow
Cross flow – the two fluids flow perpendicular to one another. There can be more than one method of heat transfer in a heat exchanger.

How is heat transferred in a heat exchanger?

Heat exchangers are equipment for the transfer of heat between two fluids through a separating wall, and the three recognized modes of heat transfer are by conduction, convection, and radiation. In a heat exchanger, heat is transferred between hot and cold fluids through a solid wall.

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Does a heat exchanger affect pressure?

Pressure is NOT constant in heat exchangers, because fluid flow always leads unavoidably to pressure drop as an effect of fluid friction.

Which property remains constant in condenser?

The temperature of the working fluid stays relatively constant during condensation, which maximizes the temperature difference between the working and secondary fluid.

Is the specific heat of water constant?

The specific heat of water is 1 calorie/gram °C = 4.186 joule/gram °C which is higher than any other common substance. The molar specific heats of most solids at room temperature and above are nearly constant, in agreement with the Law of Dulong and Petit.

How does a cross flow heat exchanger transfer heat?

A crossflow heat exchanger is designed so that the two fluids flow perpendicular to one another. This is typically utilized when one fluid is a liquid and the other is a gas, as in a car radiator in which hot water flowing left and right is cooled by air moving up or down, Bright Hub Engineering explained.

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What causes high pressure in heat exchanger?

As the wave travels through the heat exchanger, the initial surge in pressure is increased further due to the reflection of the wave causing an additive effect. This can occur when the wave encounters a geometry change such as a bend in pipework, exchanger endplate, or an additional relief valve.