An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel

Ali Sadaghiani; Yagmur Sisman; Gözde Özaydin Ince; Ali Kosar

doi:10.1115/MNHMT2016-6573

An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel

Ali Sadaghiani
, Yagmur Sisman
, Gözde Özaydin Ince
, Ali Kosar

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this study, the effect of pHEMA (Polyhydroxyethylmethacrylate) nanostructure coated surfaces on flow boiling was investigated in a rectangular microchannel. Experiments were conducted using deionized water as the working fluid to investigate flow boiling in a microchannel with dimensions of 14 cm length, 1.5 cm width, and 500 μm depth. The effect of pHEMA coatings (coated on 1.5 × 1.5 cm² silicon plates) on heat transfer coefficients and flow patterns was assessed and supported using a high speed camera system. Although the contact angle decreases on nano-coated surfaces, due to surface porosity, boiling heat transfer coefficient increases. Furthermore, visualization results indicated that uncoated surfaces experienced a smaller nucleate boiling region. It was also observed that dryout occurs at higher heat fluxes for coated surfaces.

Original language	English
Title of host publication	Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791849668
DOIs	https://doi.org/10.1115/MNHMT2016-6573
Publication status	Published - 2016
Externally published	Yes
Event	ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016 - Biopolis, Singapore Duration: 4 Jan 2016 → 6 Jan 2016

Publication series

Name	ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016
Volume	2

Conference

Conference	ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016
Country/Territory	Singapore
City	Biopolis
Period	4/01/16 → 6/01/16

Bibliographical note

Publisher Copyright:
© 2016 by ASME.

Keywords

Flow boiling
Heat transfer
Microchannel
PHEMA Nanocoated

ASJC Scopus subject areas

Fluid Flow and Transfer Processes

Access to Document

10.1115/MNHMT2016-6573

Cite this

Sadaghiani, A., Sisman, Y., Ince, G. Ö., & Kosar, A. (2016). An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel. In Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters (ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016; Vol. 2). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/MNHMT2016-6573

Sadaghiani, Ali ; Sisman, Yagmur ; Ince, Gözde Özaydin et al. / An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel. Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters. American Society of Mechanical Engineers (ASME), 2016. (ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016).

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title = "An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel",

abstract = "In this study, the effect of pHEMA (Polyhydroxyethylmethacrylate) nanostructure coated surfaces on flow boiling was investigated in a rectangular microchannel. Experiments were conducted using deionized water as the working fluid to investigate flow boiling in a microchannel with dimensions of 14 cm length, 1.5 cm width, and 500 μm depth. The effect of pHEMA coatings (coated on 1.5 × 1.5 cm2 silicon plates) on heat transfer coefficients and flow patterns was assessed and supported using a high speed camera system. Although the contact angle decreases on nano-coated surfaces, due to surface porosity, boiling heat transfer coefficient increases. Furthermore, visualization results indicated that uncoated surfaces experienced a smaller nucleate boiling region. It was also observed that dryout occurs at higher heat fluxes for coated surfaces.",

keywords = "Flow boiling, Heat transfer, Microchannel, PHEMA Nanocoated",

author = "Ali Sadaghiani and Yagmur Sisman and Ince, \{G{\"o}zde {\"O}zaydin\} and Ali Kosar",

note = "Publisher Copyright: {\textcopyright} 2016 by ASME.; ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016 ; Conference date: 04-01-2016 Through 06-01-2016",

year = "2016",

doi = "10.1115/MNHMT2016-6573",

language = "English",

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publisher = "American Society of Mechanical Engineers (ASME)",

booktitle = "Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters",

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Sadaghiani, A, Sisman, Y, Ince, GÖ & Kosar, A 2016, An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel. in Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters. ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016, vol. 2, American Society of Mechanical Engineers (ASME), ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016, Biopolis, Singapore, 4/01/16. https://doi.org/10.1115/MNHMT2016-6573

An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel. / Sadaghiani, Ali; Sisman, Yagmur; Ince, Gözde Özaydin et al.
Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters. American Society of Mechanical Engineers (ASME), 2016. (ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel

AU - Sadaghiani, Ali

AU - Sisman, Yagmur

AU - Ince, Gözde Özaydin

AU - Kosar, Ali

PY - 2016

Y1 - 2016

N2 - In this study, the effect of pHEMA (Polyhydroxyethylmethacrylate) nanostructure coated surfaces on flow boiling was investigated in a rectangular microchannel. Experiments were conducted using deionized water as the working fluid to investigate flow boiling in a microchannel with dimensions of 14 cm length, 1.5 cm width, and 500 μm depth. The effect of pHEMA coatings (coated on 1.5 × 1.5 cm2 silicon plates) on heat transfer coefficients and flow patterns was assessed and supported using a high speed camera system. Although the contact angle decreases on nano-coated surfaces, due to surface porosity, boiling heat transfer coefficient increases. Furthermore, visualization results indicated that uncoated surfaces experienced a smaller nucleate boiling region. It was also observed that dryout occurs at higher heat fluxes for coated surfaces.

AB - In this study, the effect of pHEMA (Polyhydroxyethylmethacrylate) nanostructure coated surfaces on flow boiling was investigated in a rectangular microchannel. Experiments were conducted using deionized water as the working fluid to investigate flow boiling in a microchannel with dimensions of 14 cm length, 1.5 cm width, and 500 μm depth. The effect of pHEMA coatings (coated on 1.5 × 1.5 cm2 silicon plates) on heat transfer coefficients and flow patterns was assessed and supported using a high speed camera system. Although the contact angle decreases on nano-coated surfaces, due to surface porosity, boiling heat transfer coefficient increases. Furthermore, visualization results indicated that uncoated surfaces experienced a smaller nucleate boiling region. It was also observed that dryout occurs at higher heat fluxes for coated surfaces.

KW - Flow boiling

KW - Heat transfer

KW - Microchannel

KW - PHEMA Nanocoated

UR - https://www.scopus.com/pages/publications/84969883820

U2 - 10.1115/MNHMT2016-6573

DO - 10.1115/MNHMT2016-6573

M3 - Conference contribution

AN - SCOPUS:84969883820

T3 - ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016

BT - Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters

PB - American Society of Mechanical Engineers (ASME)

T2 - ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016

Y2 - 4 January 2016 through 6 January 2016

ER -

Sadaghiani A, Sisman Y, Ince GÖ, Kosar A. An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel. In Micro/Nano-Thermal Manufacturing and Materials Processing; Boiling, Quenching and Condensation Heat Transfer on Engineered Surfaces; Computational Methods in Micro/Nanoscale Transport; Heat and Mass Transfer in Small Scale; Micro/Miniature Multi-Phase Devices; Biomedical Applications of Micro/Nanoscale Transport; Measurement Techniques and Thermophysical Properties in Micro/Nanoscale; Posters. American Society of Mechanical Engineers (ASME). 2016. (ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016). doi: 10.1115/MNHMT2016-6573

An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this