WATER pipelinesIn order to explore the influence of different types of valves on shutdown characteristics of delivery system, this paper builds a 3D CFD numerical simulation model including centrifugal pump, outlet valves and pipelines with the dynamic mesh and sliding mesh methods. ...
Thermostatic mixer valves limit temperature fluctuations but they may significantly reduce flow. This poses problems for gravity showers and it’s worth considering a manual (non-thermostatic) mixer valve but this adds a risk. The risk is that someone draws off cold water while you’re using the...
these models are suitable for service in freezing conditions, provided that the discharge drains to atmosphere and that the body does not deform from freezing. Conversely, inverted bucket traps must maintain a suitable water seal at the bottom of the bucket, and so these types can be prone to...
Three small-break loss-of-coolant accident (SBLOCA) tests with safety injection pumps were carried out using the integral-effect test loop for SMART (System-integrated Modular Advanced ReacTor), i.e., the SMART-ITL facility. The types of break are a safety injection system line break, shutdo...
Other devices used in the experiments include an incubator, a back pressure pump, a confining pressure pump, intermediate containers, valves, etc. The temperature was set at 348.15 K. Figure 2. Experimental equipment of CO2 injection. The detailed experimental steps are as follows: (1) ...
Two different types of mixed flow diffuser pumps were investigated—one equipped with adjustable impeller blades, the second one with comparable low specific speed. Experimental verifications have shown a remarkably good agreement. Furthermore, an exemplary numerical waterhammer analysis shows the ...