Heat transfer enhancement due to interaction of the thermocapillary structures with waves on the surface of the heated liquid film

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Heat transfer enhancement due to interaction of the thermocapillary structures with waves on the surface of the heated liquid film. / Chinnov, Evgeny A.

в: International Heat Transfer Conference, Том 2018-August, 01.01.2018, стр. 5167-5172.

Результаты исследований: Научные публикации в периодических изданиях › статья по материалам конференции › Рецензирование

BibTeX

@article{be75493070a04dbea14d3c3ba69799d0,

title = "Heat transfer enhancement due to interaction of the thermocapillary structures with waves on the surface of the heated liquid film",

abstract = "Characteristics of the film flow were determined experimentally using simultaneous measurements of the thickness and temperature fields on the surface of the falling heated liquid film (LIF and IR scanner). Three different types of instability were registered on the surface of the heated liquid film: 3D hydrodynamic and two thermocapillary A and B instabilities. The development of thermocapillary structures of type A was considered in the residual layer behind the front of the wave. These structures made a disturbance in the following wave front, leading to an increase in the amplitude of the waves. It was found that the amplitude of hydrodynamic waves in the upper part of the heater could be increased. The development of thermocapillary structures of type A at high heat flux initiated increasing of the rivulets deflection amplitudes. Heat transfer enhancement was registered with increasing amplitudes of wave and rivulets deflection.",

keywords = "Convection, Film cooling, Heat transfer enhancement, Thermocapillary structures, Waves",

author = "Chinnov, {Evgeny A.}",

year = "2018",

month = jan,

day = "1",

doi = "10.1615/ihtc16.hte.021582",

language = "English",

volume = "2018-August",

pages = "5167--5172",

journal = "International Heat Transfer Conference",

issn = "2377-424X",

note = "16th International Heat Transfer Conference, IHTC 2018 ; Conference date: 10-08-2018 Through 15-08-2018",

}

RIS

TY - JOUR

T1 - Heat transfer enhancement due to interaction of the thermocapillary structures with waves on the surface of the heated liquid film

AU - Chinnov, Evgeny A.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Characteristics of the film flow were determined experimentally using simultaneous measurements of the thickness and temperature fields on the surface of the falling heated liquid film (LIF and IR scanner). Three different types of instability were registered on the surface of the heated liquid film: 3D hydrodynamic and two thermocapillary A and B instabilities. The development of thermocapillary structures of type A was considered in the residual layer behind the front of the wave. These structures made a disturbance in the following wave front, leading to an increase in the amplitude of the waves. It was found that the amplitude of hydrodynamic waves in the upper part of the heater could be increased. The development of thermocapillary structures of type A at high heat flux initiated increasing of the rivulets deflection amplitudes. Heat transfer enhancement was registered with increasing amplitudes of wave and rivulets deflection.

AB - Characteristics of the film flow were determined experimentally using simultaneous measurements of the thickness and temperature fields on the surface of the falling heated liquid film (LIF and IR scanner). Three different types of instability were registered on the surface of the heated liquid film: 3D hydrodynamic and two thermocapillary A and B instabilities. The development of thermocapillary structures of type A was considered in the residual layer behind the front of the wave. These structures made a disturbance in the following wave front, leading to an increase in the amplitude of the waves. It was found that the amplitude of hydrodynamic waves in the upper part of the heater could be increased. The development of thermocapillary structures of type A at high heat flux initiated increasing of the rivulets deflection amplitudes. Heat transfer enhancement was registered with increasing amplitudes of wave and rivulets deflection.

KW - Convection

KW - Film cooling

KW - Heat transfer enhancement

KW - Thermocapillary structures

KW - Waves

UR - http://www.scopus.com/inward/record.url?scp=85068325881&partnerID=8YFLogxK

U2 - 10.1615/ihtc16.hte.021582

DO - 10.1615/ihtc16.hte.021582

M3 - Conference article

AN - SCOPUS:85068325881

VL - 2018-August

SP - 5167

EP - 5172

JO - International Heat Transfer Conference

JF - International Heat Transfer Conference

SN - 2377-424X

T2 - 16th International Heat Transfer Conference, IHTC 2018

Y2 - 10 August 2018 through 15 August 2018

ER -

ID: 20779160