NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS

A numerical analysis aiming to gain an understanding of the physical behavior for thermal and fluid flow attributes in tubes fitted with quadruple plain and modified twisted tape inserts (which all occupy an equal volume) for the turbulent Reynolds number range (5,000 to 20,000) is carried out. The...

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Main Authors: Muna Sabah Kassim, Fouad Alwan Saleh, Saud Tameem Taher
Format: Article
Language:Arabic
Published: Mustansiriyah University/College of Engineering 2018-09-01
Series:Journal of Engineering and Sustainable Development
Subjects:
Online Access:https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/395
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author Muna Sabah Kassim
Fouad Alwan Saleh
Saud Tameem Taher
author_facet Muna Sabah Kassim
Fouad Alwan Saleh
Saud Tameem Taher
author_sort Muna Sabah Kassim
collection DOAJ
description A numerical analysis aiming to gain an understanding of the physical behavior for thermal and fluid flow attributes in tubes fitted with quadruple plain and modified twisted tape inserts (which all occupy an equal volume) for the turbulent Reynolds number range (5,000 to 20,000) is carried out. The tube inserted with quadruple modified twisted tapes showed better thermal enhancement when compared with plain tube and tubes induced with quadruple plain twisted tapes. The simulation included modification on tapes as cuts with; a circular, half-circle on the side, triangular and rhomboidal shapes. The obtained results showed a maximum increase of 31.12% is observed in the Nusselt number by using tube fitted with quadruple circular cuts twisted tapes inserts than that observed with the plain tube. And the higher friction factor obtained of the tube fitted with quadruple circular cuts twisted tapes inserts are up to 32.65% than that of the plain tube.
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2520-0925
language Arabic
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spelling doaj.art-57d0b09dd67547cb9ce4e76b0310abcd2022-12-22T04:38:12ZaraMustansiriyah University/College of EngineeringJournal of Engineering and Sustainable Development2520-09172520-09252018-09-01225NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTSMuna Sabah Kassim0Fouad Alwan Saleh1Saud Tameem Taher2Mechanical Engineering Department, Mustansiriyah University, Baghdad, IraqMechanical Engineering Department, Mustansiriyah University, Baghdad, IraqMechanical Engineering Department, Mustansiriyah University, Baghdad, Iraq A numerical analysis aiming to gain an understanding of the physical behavior for thermal and fluid flow attributes in tubes fitted with quadruple plain and modified twisted tape inserts (which all occupy an equal volume) for the turbulent Reynolds number range (5,000 to 20,000) is carried out. The tube inserted with quadruple modified twisted tapes showed better thermal enhancement when compared with plain tube and tubes induced with quadruple plain twisted tapes. The simulation included modification on tapes as cuts with; a circular, half-circle on the side, triangular and rhomboidal shapes. The obtained results showed a maximum increase of 31.12% is observed in the Nusselt number by using tube fitted with quadruple circular cuts twisted tapes inserts than that observed with the plain tube. And the higher friction factor obtained of the tube fitted with quadruple circular cuts twisted tapes inserts are up to 32.65% than that of the plain tube. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/395Multiple Twisted TapesQuadruple InsertsHeat Transfer EnhancementCore FlowMulti-Longitudinal Vortices
spellingShingle Muna Sabah Kassim
Fouad Alwan Saleh
Saud Tameem Taher
NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
Journal of Engineering and Sustainable Development
Multiple Twisted Tapes
Quadruple Inserts
Heat Transfer Enhancement
Core Flow
Multi-Longitudinal Vortices
title NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
title_full NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
title_fullStr NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
title_full_unstemmed NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
title_short NUMERICAL INVESTIGATIONS OF THE THERMO-HYDRAULIC CHARACTERISTICS FOR TURBULENT FLOW CHANNEL WITH QUADRUPLE PLAIN AND MODIFIED TWISTED TAPES INSERTS
title_sort numerical investigations of the thermo hydraulic characteristics for turbulent flow channel with quadruple plain and modified twisted tapes inserts
topic Multiple Twisted Tapes
Quadruple Inserts
Heat Transfer Enhancement
Core Flow
Multi-Longitudinal Vortices
url https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/395
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