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Project Description

Chemical Engineering Assignment help Sample as below :

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Solutions Below :

Data Analysis:

  1. In all three experiments there is a difference between heat transfer from oil and heat transfer to the water. Especially in experiment number 2, where this difference is more than 35%. This not equality of energy balance can be refer to the measurement error. For example the measurement error for each of the thermocouple reading is about 0oC , which mean that the overall error of temperature difference between inlet and outlet of water can reach 2oC, or about 10% percent of inlet temperature of water.
  2. The heat transfer coefficient is decrease as the mean velocity is increase. This observation is unexpected. This also may refer to the measurement error. It is normally heat transfer coefficient to increase as increase the velocity. In laminar flow the boundary layer depends from the velocity. As the velocity is bigger the boundary layer thickness is smaller and heat transfer is higher.
  3. The change of Nusselt number with Graetz number shows that the flow regime is not fully developed. For fully developed flow the Nusselt number is not changed. The existing of maximum of the curve shows that developing of flow is depended from oil parameters, especially oil temperature.

Project Details

  • Date November 29, 2015
  • Tags Chemical Engineering