EFFECT OF ELECTROHYDRODYNAMIC (EHD) ON CONDENSATION IN PRESENCE OF NON-CONDENSABLE GAS

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Omidvarborna Hamid; Mehrabani Zeinabad Arjomand; NASR ESFAHANY MOHSEN

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2008 | Issue:5

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Title

EFFECT OF ELECTROHYDRODYNAMIC (EHD) ON CONDENSATION IN PRESENCE OF NON-CONDENSABLE GAS

Author(s)

Omidvarborna Hamid | Mehrabani Zeinabad Arjomand | NASR ESFAHANY MOHSEN

Keywords

ELECTROHYDRODYNAMIC (EHD)

CONDENSATION

NON-CONDENSABLE (NC) GAS

HEAT TRANSFER ENHANCEMEN

Abstract

IN THIS PAPER AN EXPERIMENTAL INVESTIGATION ON ELECTRO HYDRO DYNAMIC (EHD) AUGMENTATION OF HEAT TRANSFER FOR IN-TUBE CONDENSATION OF FLOWING REFRIGERANT R-134A IN PRESENCE OF NON-CONDENSABLE GAS (NC) IS PRESENTED. THE TEST SECTION IS A 1 M LONG COUNTER FLOW HEAT EXCHANGER. THE REFRIGERANT FLOWS IN THE INNER TUBE AND A ROD ELECTRODE PLACED IN THE TUBE CENTER. COOLING WATER FLOWS THROUGH THE HEAT EXCHANGER ANNULUS. THE EFFECTS OF ELECTRODE RODE DIAMETER, PRESENCE OF NON-CONDENSABLE GAS CONCENTRATION, AND APPLICATION OF VOLTAGE ON CONDENSATION ARE EXAMINED. RESULTS SHOW A REDUCTION IN HEAT TRANSFER BY FACTOR 2.1 UPON PRESENCE OF 20% OF NON-CONDENSABLE GAS. IN THE PRESENCE OF THE 20% OF NC AND 12MM ELECTRODE, A MAXIMUM HEAT TRANSFER ENHANCEMENT OF 1.9 IS EXPERIENCED BY APPLYING VOLTAGE OF 8 KV.

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APA: Copy

Omidvarborna, Hamid, Mehrabani Zeinabad, Arjomand, & NASR ESFAHANY, MOHSEN. (2008). EFFECT OF ELECTROHYDRODYNAMIC (EHD) ON CONDENSATION IN PRESENCE OF NON-CONDENSABLE GAS. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/908602/en

Vancouver: Copy

Omidvarborna Hamid, Mehrabani Zeinabad Arjomand, NASR ESFAHANY MOHSEN. EFFECT OF ELECTROHYDRODYNAMIC (EHD) ON CONDENSATION IN PRESENCE OF NON-CONDENSABLE GAS. 2008. Available from: https://sid.ir/paper/908602/en

IEEE: Copy

Hamid Omidvarborna, Arjomand Mehrabani Zeinabad, and MOHSEN NASR ESFAHANY, “EFFECT OF ELECTROHYDRODYNAMIC (EHD) ON CONDENSATION IN PRESENCE OF NON-CONDENSABLE GAS,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2008, [Online]. Available: https://sid.ir/paper/908602/en

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