RESEARCH ON LOCAL RESISTANCE CHARACTERISTICS OF COAL-WATER SLURRY FLOWING THROUGH THE LOCAL FITTINGS
Introduction Pipe fittings like valves, bends, elbows, tees, contraction etc.Are the indispensable part of any piping system. Flow through piping components is more complex than through the straight pipes.Friction losses caused by the presence of valves and fittings usually results from disturbances of the flow, which is forced to change direction abruptly to overcome path obstructions and to adapt itself to sudden or gradual changes in the cross section or shape of the duct. Some researchers 1-7 investigated the local resistance characteristics of non-Newtonian fluid flowing through the sudden enlargement, the sudden contraction, bends, valves and other parts of the local fittings, and several empirical formulas were given. Considering the lack of published data and the practical importance of the high viscosity CWS flowing through the different local fittings, the purpose of this work was to obtain local resistance characteristics in the laminar flows of CWS through gradual contraction, sudden contraction and bend.
Liu Meng Chen Liang-yong Duan Yu-feng
Southeast University, Institute of Thermal Power Engineering, NanJing 210096, China
国际会议
The 7th China-Korea Workshop on Clean Energy Technology(第七届中韩清洁能源技术研讨会)
太原
英文
31-32
2008-06-25（万方平台首次上网日期，不代表论文的发表时间）