Detecting the dam-detouring leakage passage in the left dam abutment of Douhe Reservoir with the method of heat source;
热源法探测陡河水库左坝肩绕坝渗漏通道
Using line-heat-resource method to study concentration leakage passage of dike;
利用线热源法研究堤防集中渗漏通道
Leakage is the main form which influences dyke safety severely,so to determine the position of the leakage passage is the precondition and base of dyke repair.
渗漏是严重影响堤坝安全的主要形式,确定渗漏通道的位置是进行堤坝渗漏整治的前提和基础。
Based on an analysis of the leakage passage and the mechanism for a screw conpressor,aleakage formula is derived.
在分析螺杆压缩机泄漏通道与泄漏机理的基础上,导出了泄漏量公式;解析了密封线作用和影响;讨论了求解齿面密封线方程与长度的算法;提出了对应点序列法与递推公式来求齿面密封线长度。