Formation of gas-in-liquid compound drops

Shy Ya Lin; Sheng Lin Chiu; Rong Horng Chen; Jen Yung Pu; Ta-Hui Lin

Formation of gas-in-liquid compound drops

Shy Ya Lin, Sheng Lin Chiu, Rong Horng Chen, Jen Yung Pu, Ta-Hui Lin

Department of Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

An experimental method to generate stable, controllable and periodic gas-in-diesel compound drops by coaxial compound jets is presented. The compound jet can be categorized into bubbling and jetting regimes in the upstream or into bubbling and compound drop regimes in the downstream. The characteristics of a compound jet nozzle strongly depend on the actual sizes of the needles and the flowrates. According to experimental results, steady and periodical compound drops could be produced for Weber number less than 7 and velocity ratio within 0.2 ∼ 0.45. As the outer liquid velocity increases, the compound drop generation frequency goes down. In the compound drop regime, the satellite grows with increasing velocity ratio.

Original language	English
Publication status	Published - 2006 Dec 1
Event	10th International Conference on Liquid Atomization and Spray Systems, ICLASS 2006 - Kyoto, Japan Duration: 2006 Aug 27 → 2006 Sep 1

Other

Other	10th International Conference on Liquid Atomization and Spray Systems, ICLASS 2006
Country	Japan
City	Kyoto
Period	06-08-27 → 06-09-01

All Science Journal Classification (ASJC) codes

Surfaces, Coatings and Films

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title = "Formation of gas-in-liquid compound drops",

abstract = "An experimental method to generate stable, controllable and periodic gas-in-diesel compound drops by coaxial compound jets is presented. The compound jet can be categorized into bubbling and jetting regimes in the upstream or into bubbling and compound drop regimes in the downstream. The characteristics of a compound jet nozzle strongly depend on the actual sizes of the needles and the flowrates. According to experimental results, steady and periodical compound drops could be produced for Weber number less than 7 and velocity ratio within 0.2 ∼ 0.45. As the outer liquid velocity increases, the compound drop generation frequency goes down. In the compound drop regime, the satellite grows with increasing velocity ratio.",

author = "Lin, {Shy Ya} and Chiu, {Sheng Lin} and Chen, {Rong Horng} and Pu, {Jen Yung} and Ta-Hui Lin",

year = "2006",

month = dec,

day = "1",

language = "English",

note = "10th International Conference on Liquid Atomization and Spray Systems, ICLASS 2006 ; Conference date: 27-08-2006 Through 01-09-2006",

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TY - CONF

T1 - Formation of gas-in-liquid compound drops

AU - Lin, Shy Ya

AU - Chiu, Sheng Lin

AU - Chen, Rong Horng

AU - Pu, Jen Yung

AU - Lin, Ta-Hui

PY - 2006/12/1

Y1 - 2006/12/1

N2 - An experimental method to generate stable, controllable and periodic gas-in-diesel compound drops by coaxial compound jets is presented. The compound jet can be categorized into bubbling and jetting regimes in the upstream or into bubbling and compound drop regimes in the downstream. The characteristics of a compound jet nozzle strongly depend on the actual sizes of the needles and the flowrates. According to experimental results, steady and periodical compound drops could be produced for Weber number less than 7 and velocity ratio within 0.2 ∼ 0.45. As the outer liquid velocity increases, the compound drop generation frequency goes down. In the compound drop regime, the satellite grows with increasing velocity ratio.

AB - An experimental method to generate stable, controllable and periodic gas-in-diesel compound drops by coaxial compound jets is presented. The compound jet can be categorized into bubbling and jetting regimes in the upstream or into bubbling and compound drop regimes in the downstream. The characteristics of a compound jet nozzle strongly depend on the actual sizes of the needles and the flowrates. According to experimental results, steady and periodical compound drops could be produced for Weber number less than 7 and velocity ratio within 0.2 ∼ 0.45. As the outer liquid velocity increases, the compound drop generation frequency goes down. In the compound drop regime, the satellite grows with increasing velocity ratio.

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AN - SCOPUS:84874746372

T2 - 10th International Conference on Liquid Atomization and Spray Systems, ICLASS 2006

Y2 - 27 August 2006 through 1 September 2006

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