IEC60609-2:1997EN-FRCavitationpittingevaluationinhydraulicturbines,storagepumpsandpump-turbines-Part2:EvaluationinPeltonturbines是一个重要的标准,它为评估Pelton涡轮中的汽蚀提供了详细的指导和方法。该标准强调了测试环境、评估工具和测试周期的重要性,以确保涡轮的性能和安全性得到充分保障。
Closed-loop control Download full text in PDFCavitation is a well-known phenomenon that may occur, among other turbo-machines, in centrifugal pumps and can result in severe damage of both the pump and the whole hydraulic system. There are situations in which, in principle, the cavitation could...
Hydraulic machinery such as turbines and pumps is widely used around the world. Related topics concerning design, operation and maintenance are of relevant interest. In this context, cavitation is a phenomenon to be taken into account, and this was treated in the XVIII IA...
cavitation.The study of cavitation and bubbly flow applies to many areas of interest;from valve damage in hydroelectric equipment,ship propellors and internal combustion engines to the performance of turbines and pumps of all sizes,to physiological phenomena such as the cracking of joints and the "...
In many applications, pumps operate to transfer a liquid without concern for varying a pressure of the liquid, with the primary purpose being simply to move the liquid from one place to another. In certain other applications it can be desirable to use a pump to increase the pressure of a ...
The cause of cavitation in pumps is usually due to insufficient NPSH (Net Positive Suction Head) energy on the suction side of the pump. NPSH is the energy required to push the liquid into the pump. Always calculate the NPSHa (Net Positive Suction Head available) from the system, and ...
(through the removal of heat) or an increase in pressure will result in saturated vapor returning the state of saturated vapor. The specific relationship between the saturation temperature and pressure of a fluid is referred to as the vapor-pressure curve. However, to move fluid, pumps lower ...
Reciprocating piston pumps are widely used in various fields, such as automobiles, ships, aviation, and engineering machinery. Conventional reciprocating piston pump distributing flow (RPPDF) systems have the disadvantages of a loose structure and low volumetric efficiency, as well as affected positively...
term "cavitation", which is of the greatest economic significance, involving most industrial activities. The subject, in other words, concerns damage limitation and damage avoidance in pumps and their installations. can then be controlled and restricted by altering the geometric and operational ...
important for cleaning processes and treatment of surfaces with sophisticated geometry (e.g. conformal metal deposition). Oscillating bubbles can act asmicropumps[3]and microfluidicmixersinducing the disruption oflaminar flowinmicrochannelsand thus providing a flow with ahigher Reynolds number[4],[5],...