EXPERIMENTAL STUDY OF THE INFLUENCE OF SURFACE COKE DEPOSITION ON HEAT TRANSFER OF AVIATION KEROSENE RP-3 AT SUPERCRITICAL PRESSURE

被引：0
|
作者：
Jia, Z. X. [1 ]
Xu, G. Q. [1 ]
Wen, J. [1 ]
Deng, H. W. [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Jet Prop, Natl Key Lab Sci & Technol Aeroengine Aerothermod, Beijing 100191, Peoples R China
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2012, VOL 7, PTS A-D | 2013年
关键词：
FUEL;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Experiments are performed to study the effect of surface coke deposition on heat transfer of aviation hydrocarbon RP-3 under supercritical pressure. The flowing RP-3 kerosene is stressed to 5MPa, and heated up to 130 degrees C to 450 degrees C in a stainless tube (1.8mm I.D., 2.2mm O.D., 1Cr18Ni9Ti) with a constant heat flux, and the mass flow rate is 3g/s. The working fluids flowed downwards through an 1800mm long tube. The experimental results indicated that insoluble products deposited onto metal surface have a significant impact on flow resistance and heat transfer the effect of coke deposition on heat transfer coefficient can be divided into four regimes: a) onset heat transfer enhancement zone; b) transition zone; c) heat transfer impairment zone; d) heat transfer stabilizing zone.
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页码：1927 / 1933
页数：7
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