Problem 5 (15 pts) An example heat exchanger is shown in the figure below (a) wh
ID: 1828313 • Letter: P
Question
Problem 5 (15 pts)
An example heat exchanger is shown in the figure below (a) where in a hot fluid and a cold fluid flow in opposite directions. In order to analyze the performance of this heat exchanger, it is important to understand the flow in a duct with a cross section in the shape of an equilateral triangle. This can be done by looking at the coordinate system shown below in (b).
https://media.cheggcdn.com/media%2F91d%2F91d93e61-4d4f-41f8-8ede-6d4f23d9554a%2FphpRs1NIq.png
Verify that the velocity distribution for flow in this duct is given by:
https://media.cheggcdn.com/media%2Fa59%2Fa599dc96-a997-42d0-954a-1e6b67b6cb5d%2FphpJ7gDzc.png
when assuming the flow is laminar and the fluid is Newtonian (L represents the length in the z-direction)
An example heat exchanger is shown in the figure below (a) where in a hot fluid and a cold fluid flow in opposite directions. In order to analyze the performance of this heat exchanger, it is important to understand the flow in a duct with a cross section in the shape of an equilateral triangle. This can be done by looking at the coordinate system shown below in (b). vz = (p0 - pL)/4 mu LH (y - H)(3x2 - y2) when assuming the flow is laminar and the fluid is Newtonian (L represents the length in the z-direction)Explanation / Answer
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