Journal: Proceedings of the Combustion Institute, vol. 34, pp. 2253-2259, 2013.
Title: Combustion characteristics in a small-scale reactor with catalyst segmentation and cavities
Authors: Yueh-Heng Li*, Guan-Bang Chen, Fang-Hsien Wu, Tsarng-Sheng Cheng, Yei-Chin Chao
Rank: 3.1% (4/128), SCI, ENGINEERING: MECHANICAL, 2013.
Impact Factor: 3.828
Citation number: 34 (Web of Science)
FWCI: 0.78 (Scopus)
Abstract: 本文針對微型熱光電（micro-TPV）發電系統中的熱損失與火焰不穩定問題，提出以鉑管兼作觸媒反應器與輻射器的燃燒室設計。透過數值模擬，探討反應器構型與燃料濃度對火焰穩定的影響，並分析內外腔室間異相與均相反應的耦合。計算結果顯示，觸媒燃燒可錨定於兩段鉑管之間的間隙，並承接上游觸媒段傳遞的熱量與自由基；間隙形成低流速區以穩定火焰，同時使內外流道的燃料與自由基得以交換。
Photograph of combustion phenomenon in the reactor with eight segments each with 2 mm-Pt and cavities under various inflow velocities.
Highlights:
- ● 以含空腔的觸媒分段鉑反應器改善微型熱光電系統的熱損失與火焰不穩定。
- ● 觸媒燃燒可穩定維持於兩段鉑管之間的間隙。
- ● 間隙形成低速區以錨定火焰,並使燃料與自由基在流道間交換。
