Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel

Kei Sakakura; Yasuhiro Sasao; Satoru Yamamoto

Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel

Kei Sakakura, Yasuhiro Sasao, Satoru Yamamoto

INF - Computer and Mathematical Sciences

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

Abstract

The purpose of this study is to develop a numerical method for simulating condensate flow problems observed in industrial processes. The preconditioning method developed by our group is applied to the calculations of very-slow flows assuming heterogeneous condensation in a mixing T-junction channel in which dry and moist air streams flowing into the channel are mixed together. A classical condensation model simplified by our group is used for evaluating condensation with heterogeneous nucleation. As shown in the calculated results, condensation in a T-junction pipe was variously influenced by the mixing type, such as stratified, turned jet, and wall jet flows. A notable difference in temperature distributions was also found with and without condensation due to the release of latent heat when condensation occurs.

Original language	English
Title of host publication	Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005
Pages	1025-1032
Number of pages	8
Publication status	Published - 2005 Dec 19
Event	2005 ASME Fluids Engineering Division Summer Conference - Houston, TX, United States Duration: 2005 Jun 19 → 2005 Jun 23

Publication series

Name	Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference
Volume	1 PART B

Other

Other	2005 ASME Fluids Engineering Division Summer Conference
Country	United States
City	Houston, TX
Period	05/6/19 → 05/6/23

ASJC Scopus subject areas

Engineering(all)

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Sakakura, K., Sasao, Y., & Yamamoto, S. (2005). Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel. In Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005 (pp. 1025-1032). [FEDSM2005-77073] (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference; Vol. 1 PART B).

Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel. / Sakakura, Kei; Sasao, Yasuhiro; Yamamoto, Satoru.

Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005. 2005. p. 1025-1032 FEDSM2005-77073 (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference; Vol. 1 PART B).

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

Sakakura, K, Sasao, Y & Yamamoto, S 2005, Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel. in Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005., FEDSM2005-77073, Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference, vol. 1 PART B, pp. 1025-1032, 2005 ASME Fluids Engineering Division Summer Conference, Houston, TX, United States, 05/6/19.

Sakakura K, Sasao Y, Yamamoto S. Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel. In Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005. 2005. p. 1025-1032. FEDSM2005-77073. (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference).

Sakakura, Kei ; Sasao, Yasuhiro ; Yamamoto, Satoru. / Preconditioning method for very-slow flows with heterogeneous condensation in a mixing T-junction channel. Proceedings of ASME Fluids Engineering Division Summer Conference, 2005 Symposia, FEDSM2005. 2005. pp. 1025-1032 (Proceedings of the American Society of Mechanical Engineers Fluids Engineering Division Summer Conference).

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abstract = "The purpose of this study is to develop a numerical method for simulating condensate flow problems observed in industrial processes. The preconditioning method developed by our group is applied to the calculations of very-slow flows assuming heterogeneous condensation in a mixing T-junction channel in which dry and moist air streams flowing into the channel are mixed together. A classical condensation model simplified by our group is used for evaluating condensation with heterogeneous nucleation. As shown in the calculated results, condensation in a T-junction pipe was variously influenced by the mixing type, such as stratified, turned jet, and wall jet flows. A notable difference in temperature distributions was also found with and without condensation due to the release of latent heat when condensation occurs.",

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AB - The purpose of this study is to develop a numerical method for simulating condensate flow problems observed in industrial processes. The preconditioning method developed by our group is applied to the calculations of very-slow flows assuming heterogeneous condensation in a mixing T-junction channel in which dry and moist air streams flowing into the channel are mixed together. A classical condensation model simplified by our group is used for evaluating condensation with heterogeneous nucleation. As shown in the calculated results, condensation in a T-junction pipe was variously influenced by the mixing type, such as stratified, turned jet, and wall jet flows. A notable difference in temperature distributions was also found with and without condensation due to the release of latent heat when condensation occurs.

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