Experimental Determination of the Boiling Heat Transfer Coefficients of R-134a and R-417A on a Smooth Copper Tube

Pardiñas, Ángel Á.; Fernández-Seara, José; Piñeiro-Pontevedra, Carolina; Bastos, Santiago

doi:10.1080/01457632.2014.889453

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…The experiments with new types of refrigerant blends. For instance, new refrigerant blends, like R-417A, are becoming very important due to the possibility of using them in R-22 systems with only minor changes (drop-in refrigerants) [92]. R-417A is the composition with mass fractions of 46.6% R-125, 50% R-134a, and 3.4% R-600.…”

Section: Kim Andmentioning

confidence: 99%

A Critical Review on Condensation Pressure Drop in Microchannels and Minichannels

Awad¹,

Dalkılıç²

2015

Heat Transfer Studies and Applications

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Section: Kim Andmentioning

confidence: 99%

A Critical Review on Condensation Pressure Drop in Microchannels and Minichannels

Awad¹,

Dalkılıç²

2015

Heat Transfer Studies and Applications

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“…For example, new refrigerant blends, such as R417 A, are becoming very important due to the possibility of using them in R22 systems with only minor changes (drop-in refrigerants) [117]. To the best of the authors' knowledge, the study of heat transfer during the condensa tion process in microchannels and minichannels of elliptic cross section is not yet tackled in literature.…”

Section: Recommendations For Future Studiesmentioning

confidence: 99%

A Critical Review on Condensation Heat Transfer in Microchannels and Minichannels

Awad

Dalkılıç

Wongwises

2014

Journal of Nanotechnology in Engineering and Medicine

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A C ritical R eview on C ondensation H eat T ran sfer in M icro ch an n els and M in ic h a n n e lsCondensation in microchannels and minichannels is widely used in small devices such as air-cooled condensers for the air-conditioning and automotive industry, in heat pipes, thermosyphons and other applications for system thermal control. Currently, many research centers all over the world are dealing with the structure and operation of com pact refrigerating devices. This is in line with the trend of 21st century that is moving towards the use of energy-saving and environmentally friendly technical equipment. In the present study, a critical review on condensation heat transfer in microchannels and minichannels is presented. This review include a wide range of different parameters such as the channel diameter (d), the saturation temperature (Ts), the mass flux (G), the vapor quality (x), different working fluids like steam, C02 or R744, FC72, R22, R410A, and R407C, various shapes such as circular and noncircular, different orientations like hori zontal and vertical, and systems consist o f either single or multiple channels. At the end, recommendations for future studies will be given. As a result, this paper cannot only be used as the starting point for the researcher interested in condensation heat transfer in microchannels and minichannels, but it also includes recommendations for future studies on condensation heat transfer in microchannels and minichannels.

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Heat Transfer Characteristics of Flood-type Evaporator Using R22 and R134a for Fishing Vessels

Yoon

Son

Choi

et al. 2018

Heat Transfer Engineering

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Experimental Determination of the Boiling Heat Transfer Coefficients of R-134a and R-417A on a Smooth Copper Tube

Abstract: Flooded evaporators are widely used as compact cooling units so as to cool liquids.

Cited by 3 publications

References 16 publications

A Critical Review on Condensation Pressure Drop in Microchannels and Minichannels

A Critical Review on Condensation Pressure Drop in Microchannels and Minichannels

A Critical Review on Condensation Heat Transfer in Microchannels and Minichannels

Heat Transfer Characteristics of Flood-type Evaporator Using R22 and R134a for Fishing Vessels

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