<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In order to improve the performance of the shell and tube heat exchanger, a porous baffle and a splitter bar are employed in this research. Through the arrangement of the porous baffle in the tube-side inlet and the splitter bar in the tube, the flow distribution of liquid in the heat exchanger is improved. PIV technology is used to investigate the unsteady flow in the tube-side inlet and the outlet of different models. The porous baffle significantly improves the flow of fluid in the shell and tube heat exchanger, especially by eliminating/minimizing the maldistribution of fluid flow in the tube-side inlet. The performance of the arc baffle is better than that of the straight baffle. The splitter bar has a minimal effect on the flow field of the tube-side inlet, but it effectively improves the flow in the tube bundle and restrains the vortex generation in the tube-side outlet.</p></abstract>

In order to improve the performance of the shell and tube heat exchanger, a porous baffle and a splitter bar are employed in this research. Through the arrangement of the porous baffle in the tube-side inlet and the splitter bar in the tube, the flow distribution of liquid in the heat exchanger is improved. PIV technology is used to investigate the unsteady flow in the tube-side inlet and the outlet of different models. The porous baffle significantly improves the flow of fluid in the shell and tube heat exchanger, especially by eliminating/minimizing the maldistribution of fluid flow in the tube-side inlet. The performance of the arc baffle is better than that of the straight baffle. The splitter bar has a minimal effect on the flow field of the tube-side inlet, but it effectively improves the flow in the tube bundle and restrains the vortex generation in the tube-side outlet.

PIV measurement of tube-side in a shell and tube heat exchanger

Research Center of Fluid Machinery Engineering and Technology

Research Center for Aircraft Parts Technology

School of Mechanical and Aerospace Engineeeing

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"PIV measurement of tube-side in a shell and tube heat exchanger"}

In order to improve the performance of the shell and tube heat exchanger, a porous baffle and a splitter bar are employed in this research. Through the...

PIV measurement of tube-side in a shell and tube heat exchanger

Pubblicato online: 16 apr 2018

Pagine: 60 - 66

DOI: https://doi.org/10.2478/pjct-2018-0009

Parole chiave
shell and tube heat exchanger, tube-side, PIV, unsteady flow

© 2018 Kai Wang et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

PIV measurement of tube-side in a shell and tube heat exchanger

Pubblicato online: 16 apr 2018

Pagine: 60 - 66

DOI: https://doi.org/10.2478/pjct-2018-0009

Parole chiaveshell and tube heat exchanger, tube-side, PIV, unsteady flow

© 2018 Kai Wang et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
shell and tube heat exchanger, tube-side, PIV, unsteady flow