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Ability to identify, classify and describe the performance of systems and components through the use of analytical methods and mod

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  • Post Date 2018-11-05T11:04:20+00:00
  • Post Category Assignment Requirements

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Ability to identify, classify and describe the performance of systems and components through the use of analytical methods and modelling techniques

Use the data in the reference file(Thermodynamic and Transport Properties of Fluids) to solve the question and look the learning outcomes carefully.
A twin-tube, counterflow heat exchanger operates with balanced flow rates of 0.003 kg/s for the hot and cold airstreams. The cold stream enters at 280 K and must be heated to 340 K using hot air at 360 K. The average pressure of the airstreams is 1 atm and the maximum allowable pressure drop for the cold air is 10 kPa. The tube walls may be assumed to act as fins, each with an efficiency of 100%.

(a)Determine the tube diameter D and length L that satisfy the prescribed heat transfer and pressure drop requirements.
For the diameter D and length L found in part (a), generate plots of the cold stream outlet temperature, the heat transfer rate, and pressure drop as a function of balanced flow rates in the range from 0.002 to 0.004 kg/s. Comment on your results.

Learning Outcomes to be assessed (as specified in the validated module descriptor https://icis.southwales.ac.uk/): 
Learning outcome 1: Ability to identify, classify and describe the performance of systems and components through the use of analytical methods and modelling techniques.
Learning outcome 2: Competency in analytical and problem solving skills for both engineering and industrial applications.


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