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通过河道型水库进水口引渠的模型试验，研究了引渠方向、长度、深度、两侧收缩角的不对称程度以及河道流速、水位等参数对进水口流态的影响．试验结果表明：引渠及进水口布置设计应综合考虑上述参数的影响，一般引渠要有足够的水深，长度与进口宽度之比为３．０～４．０，与河岸夹角θ在５５°～７５°范围内选取，两侧收缩角尽量对称时有利于改善进口流态及流速分布的均匀性．
Through the model tests on the inlet of channel reservoirs, the influence of the parameters such as the direction, length, depth, angle of contraction on both sides and the flow velocity and water level of the channel on the flow pattern of the inlet was studied. The test results show that the design of drainage channels and intakes should consider the influence of the above parameters. The general drainage channels should have enough water depth, the ratio of length to inlet width should be 3.0-4.0, ° ~ 75 ° range of selection, both sides of the contraction angle as far as possible to help improve the symmetry of the inlet flow and flow velocity distribution uniformity.