EFFECT OF SOME OPERATING CONDITIONS AND GEOMETRY ON EFFECIENCY OF GAS FIRED FURNACE CHAMBER | ||||
| International Conference on Aerospace Sciences and Aviation Technology | ||||
| Article 16, Volume 3, ASAT Conference 4-6 April 1989 , CAIRO, April 1989, Page 307-316 PDF (1.9 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/asat.1989.25876 | ||||
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| Authors | ||||
| M. B. MADI1; A. B. ELASKARY2; A. BELTAGUI1 | ||||
| 1Alex. University Faculty of Engineering, Mechanical Power Department. | ||||
| 2Menoufia University, Faculty of Engineering, Mechanical Department. | ||||
| Abstract | ||||
| The study is concerned with the experimental investigation of the effect confinement ratio, swirl intensity and combustion intensity on heat transfer. The experimental tests were carried out on nine swirlers with different geometry. The swirl burner was built in o combustion system which was equipped with the necessary regulating and measuring devices. The fuel employed was commerical grade butane. The wall heat flux was obtained by direct measurement using a new technique for heat flux meter. Calculations of furnace efficiency were performed using numerical integration by Simpson's rule for heat flux distribution. The results obtained showed that, a moderate amount of swirl in a highly confined furnace created a relatively large reverse flow zone and cause the flame to spread rapidly to the furnace wall, consequently changes in wall heat flux, and furnace efficiency were observed. Correlation of data obtained may be useful for realising proper running of combustion systems and assisting to achieve optimal design for rreW combustion system. | ||||
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