Characteristics of two-phase flow boiling heat transfer and pressure drop of NH3, C3H8 and CO2 in horizontal circular small tubes

Kwang Il Choi; Maulana Rifaldi; Agus Sunjarianto Pamitran; Jong Taek Oh

doi:10.1115/IHTC14-22660

Characteristics of two-phase flow boiling heat transfer and pressure drop of NH₃, C₃H₈ and CO₂ in horizontal circular small tubes

Kwang Il Choi, Maulana Rifaldi, Agus Sunjarianto Pamitran, Jong Taek Oh

Department of Mechanical Engineering

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

3 Citations (Scopus)

Abstract

An experimental investigation on the characteristics of two-phase boiling heat transfer of NH₃, C₃H₈ and CO₂ in horizontal small stainless steel tubes of 1.5 and 3.0 mm inner diameters are presented in this paper. Experimental data were obtained over a heat flux range of 5 to 70 kW/m², mass flux range of 50 to 600 kg/m²s, saturation temperature range of 0 to 12°C, and quality up to 1.0. The test section was heated uniformly by applying an electric current to the tubes directly. Nucleate boiling heat transfer was the main contribution, particularly at the low quality region. Laminar flow was observed in the small tubes. The heat transfer coefficient of the present working refrigerants was compared with other correlations. A new boiling heat transfer coefficient correlation based on the superposition model for refrigerants in small tubes was developed.

Original language	English
Title of host publication	2010 14th International Heat Transfer Conference, IHTC 14
Pages	407-413
Number of pages	7
DOIs	https://doi.org/10.1115/IHTC14-22660
Publication status	Published - 2010
Event	2010 14th International Heat Transfer Conference, IHTC 14 - Washington, DC, United States Duration: 8 Aug 2010 → 13 Aug 2010

Publication series

Name	2010 14th International Heat Transfer Conference, IHTC 14
Volume	1

Conference

Conference	2010 14th International Heat Transfer Conference, IHTC 14
Country/Territory	United States
City	Washington, DC
Period	8/08/10 → 13/08/10

Access to Document

10.1115/IHTC14-22660

Cite this

Choi, K. I., Rifaldi, M., Pamitran, A. S., & Oh, J. T. (2010). Characteristics of two-phase flow boiling heat transfer and pressure drop of NH₃, C₃H₈ and CO₂ in horizontal circular small tubes. In 2010 14th International Heat Transfer Conference, IHTC 14 (pp. 407-413). (2010 14th International Heat Transfer Conference, IHTC 14; Vol. 1). https://doi.org/10.1115/IHTC14-22660

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title = "Characteristics of two-phase flow boiling heat transfer and pressure drop of NH3, C3H8 and CO2 in horizontal circular small tubes",

abstract = "An experimental investigation on the characteristics of two-phase boiling heat transfer of NH3, C3H8 and CO2 in horizontal small stainless steel tubes of 1.5 and 3.0 mm inner diameters are presented in this paper. Experimental data were obtained over a heat flux range of 5 to 70 kW/m2, mass flux range of 50 to 600 kg/m2s, saturation temperature range of 0 to 12°C, and quality up to 1.0. The test section was heated uniformly by applying an electric current to the tubes directly. Nucleate boiling heat transfer was the main contribution, particularly at the low quality region. Laminar flow was observed in the small tubes. The heat transfer coefficient of the present working refrigerants was compared with other correlations. A new boiling heat transfer coefficient correlation based on the superposition model for refrigerants in small tubes was developed.",

author = "Choi, {Kwang Il} and Maulana Rifaldi and Pamitran, {Agus Sunjarianto} and Oh, {Jong Taek}",

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Choi, KI, Rifaldi, M, Pamitran, AS & Oh, JT 2010, Characteristics of two-phase flow boiling heat transfer and pressure drop of NH₃, C₃H₈ and CO₂ in horizontal circular small tubes. in 2010 14th International Heat Transfer Conference, IHTC 14. 2010 14th International Heat Transfer Conference, IHTC 14, vol. 1, pp. 407-413, 2010 14th International Heat Transfer Conference, IHTC 14, Washington, DC, United States, 8/08/10. https://doi.org/10.1115/IHTC14-22660

Characteristics of two-phase flow boiling heat transfer and pressure drop of NH₃, C₃H₈ and CO₂ in horizontal circular small tubes. / Choi, Kwang Il; Rifaldi, Maulana; Pamitran, Agus Sunjarianto et al.
2010 14th International Heat Transfer Conference, IHTC 14. 2010. p. 407-413 (2010 14th International Heat Transfer Conference, IHTC 14; Vol. 1).

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

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AB - An experimental investigation on the characteristics of two-phase boiling heat transfer of NH3, C3H8 and CO2 in horizontal small stainless steel tubes of 1.5 and 3.0 mm inner diameters are presented in this paper. Experimental data were obtained over a heat flux range of 5 to 70 kW/m2, mass flux range of 50 to 600 kg/m2s, saturation temperature range of 0 to 12°C, and quality up to 1.0. The test section was heated uniformly by applying an electric current to the tubes directly. Nucleate boiling heat transfer was the main contribution, particularly at the low quality region. Laminar flow was observed in the small tubes. The heat transfer coefficient of the present working refrigerants was compared with other correlations. A new boiling heat transfer coefficient correlation based on the superposition model for refrigerants in small tubes was developed.

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