1 / 15

Heat Exchanger Design

Heat Exchanger Design. ME 414- Fluid Systems Design Professor: John Toksoy Spring 2009 team Tyler Laughlin Denis Shkurapet Ethan Sneed Matt Tolentino Tyler Turk. Objective. To design a heat exchanger than meets the following criteria: Cools liquid from 45 C to 25 C

basil
Download Presentation

Heat Exchanger Design

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Heat Exchanger Design ME 414- Fluid Systems Design Professor: John Toksoy Spring 2009 team Tyler Laughlin Denis Shkurapet Ethan Sneed Matt Tolentino Tyler Turk

  2. Objective • To design a heat exchanger than meets the following criteria: • Cools liquid from 45 C to 25 C • Must be less than 7 meters in length • Shell diameter is less than 2 meters • Minimize weight of the tube and shell • Minimize pressure drop • Heat transfer ratio of 1

  3. Design Parameters # of tubes passed Tube outer diameter Tube inner diameter Material Baffles Shell thickness Shell Material Strength factors Fluid allocation Type of flow (parallel or counter)

  4. Analysis • Use Minitab and Matlab • Minitab • Use to obtain the main effects plots, Pareto charts, and the response optimizer. • Matlab • Use to run analysis of the DOE files and to give us the outputs of total weight, calculated heat transfer, cost, and pressure drops. • DOE allows us to determine the most important variables in this design.

  5. Results

  6. Results

  7. Results

  8. Analysis: 1st DOE

  9. Analysis: Pareto Charts 1st DOE 7 Factor Analysis for DP_Tube

  10. Analysis: 1st Optimization Minitab solved for a local solution. The starting values were changed multiple times until Minitab found a new, more optimal solution.

  11. Analysis: 2nd DOE

  12. Analysis: 2nd Optimization Starting values of the optimization were varied with no improvement in performance.

  13. Conclusions: Damn near perfect! Heat Transfer Coeff : 876.97 W/m2.C R-value: 0.98 Number of tubes: 1313 Shell Pressure Loss: 335.11 Pa Tube Pressure Loss: 29832.58 Pa Weight of Heat Exchanger: 350.88 kg

  14. Conclusions: Recommendations • Could be further optimized if Tube Thickness was decreased • Resulting in: • Lower weight - decrease of 51.93 kg • Lower Tube pressure loss - decrease of 6703.1 Pa • No significant loss of R-value • A smaller tube is not commercially available • Possibly achieve greater performance at a greater price

  15. Questions

More Related