Boiling visualization on vertical fins with tunnel-pore structures

Pastuszko, Robert; Kaniowski, Robert

doi:10.1051/epjconf/20122502019

Cited by 16 publications

(12 citation statements)

References 5 publications

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“…The amount of heat is released per unit of time, so the stream of heat corresponds to the approximate machining power [3][4][5][6]. The source of heat in the machining process includes: work of plastic deformations and division of material (formation of chips), friction on the contact surface and rake face [2][3][4][5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…The source of heat in the machining process includes: work of plastic deformations and division of material (formation of chips), friction on the contact surface and rake face [2][3][4][5][6][7][8][9][10][11]. Heat generated as a result of the machining process is dissipated through chips, acquired by the tool and the processed material, and raised up to the ambient atmosphere or acquired by the cooling and lubricating liquid [4][5][6]. In the case of ISO N materials -so nonferrous metals such as aluminum, copper, brass, etc.…”

Section: Introductionmentioning

confidence: 99%

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Influence of the cutting parameters on the workpiece temperature during face milling

et al. 2017

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Abstract. This thesis presents the outcome of experimental research of the impact of changes in cutting speed and volume of material processed during a face milling process on the temperature of the processed object made of copper of M1Ez4 class. Measurement of the temperature of the processed object was conducted in six points with K-type thermocouples. The theoretical amount of released heat per unit of time for particular parameters of machining was also calculated.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of the cutting parameters on the workpiece temperature during face milling

et al. 2017

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“…The Kielce University of technology has long been conducting visualization studies of boiling with water, ethanol, FC-72 and Novec -649 from various structured surfaces for both pool boiling and flow boiling [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Pool boiling visualization on open microchannel surfaces

Kaniowski

Pastuszko

2017

EPJ Web Conf.

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Abstract. The paper presents visualization investigations into pool boiling heat transfer for open minichannel surfaces. The experiments were carried out wih saturated water at atmospheric pressure. Parallel microchannels fabricated by machining were about 0.3 mm wide and 0.2 to 0.4 mm deep. Highspeed videos were used as an aid to understanding the heat transfer mechanism. The visualization study aimed at identifying nucleation sites of the departing bubbles and determining their diameters and frequency at various superheats.

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“…The use of microstructured surfaces produced in thermal processes (as described in [12][13][14][15]) is known to intensify the heat transfer process. Studies have been conducted on pool boiling [16][17][18][19][20], flow boiling [9][10][11][21][22][23] heat transfer and confined spaces as face seals [24][25].…”

Section: Introductionmentioning

confidence: 99%

Boiling heat transfer during flow of distilled water in an asymmetrically heated rectangular minichannel

Strąk

Piasecka

2017

EPJ Web Conf.

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Abstract. This paper discusses test results concerning flow boiling heat transfer in a minichannel 1.7 mm in depth, 16 mm in width and 180 mm in length. The essential part of the experimental stand was a vertically oriented rectangular minichannel, which was heated asymmetrically with a plate made of Haynes-230 alloy. Distilled water was used as the cooling fluid. Changes in the temperature on the outer side of the heated plate in the central, axially symmetric part of the channel were measured using infrared thermography. Simultaneously, the other side of the heated plate in contact with the fluid was observed through a glass pane to identify the two-phase flow patterns. The one-dimensional model used for the heat transfer analysis took into account the heat flow direction, which was perpendicular to the direction of the fluid flow in the minichannel. The study involved determining local values of the heat transfer coefficient and generating boiling curves. The data for water were compared with the findings reported for the FC-72 fluid.

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Boiling visualization on vertical fins with tunnel-pore structures

Cited by 16 publications

References 5 publications

Influence of the cutting parameters on the workpiece temperature during face milling

Influence of the cutting parameters on the workpiece temperature during face milling

Pool boiling visualization on open microchannel surfaces

Boiling heat transfer during flow of distilled water in an asymmetrically heated rectangular minichannel

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