Engineering, 02.06.2020 17:58 joel4676

The purpose of this assignment is to analyze the internal convection case of a flow through a round pipe to understand the heat transfer between the water flowing through the tubes of the cooling water circuit. In particular, you will be exploring the effects of flow rate, tube diameter, and tube length for fully developed conditions.
For the following conceptual questions, consider the flow to always be turbulent.
If the tube length and diameter remain constant, state the effect of increasing the flow rate on each of the following:

Reá´ increase no effect decrease cannot determine
NÎ¼á´ increase no effect decrease cannot determine
h increase no effect decrease cannot determine
|T_m, out - T_m, in| increase no effect decrease cannot determine
Îp increase no effect decrease cannot determine

If the flow rate and tube length remain constant, state the effect of increasing tube diameter on each of the following:

Reá´ increase no effect decrease cannot determine
NÎ¼á´ increase no effect decrease cannot determine
h increase no effect decrease cannot determine
|T_m, out - T_m, in| increase no effect decrease cannot determine
Îp increase no effect decrease cannot determine

If the flow rate and tube diameter remain constant, state the effect of increasing tube length on each of the following:

Reá´ increase no effect decrease cannot determine
NÎ¼á´ increase no effect decrease cannot determine
h increase no effect decrease cannot determine
|T_m, out - T_m, in| increase no effect decrease cannot determine
Îp increase no effect decrease cannot determine

For an assumed internal tube diameter of D = 0.375 inches and length of L = 20 feet, consider volumetric flow rates in the range of 0 < Å¥ â¤10 gallons/minute. For this range of flow rates, create two plots associated with the convective heat transfer: Nup vs Re, and also h vs R. Then, assuming a uniform surface temperature of 38Â°F and a water inlet temperature of 32Â°F, compute and plot the rate of heat transfer (in W) for 0 < Å¥ â¤ 10 gpm.

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The purpose of this assignment is to analyze the internal convection case of a flow through a round...

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