Russian pumpjet-equipped submarine to return to seaTim Ripley, LondonJane's Navy International
Firstly, the steady hydrodynamics of independent SUBOFF submarine are studied and compared with experimental data to validate the accuracy of the CFD model. Then, the CFD model of a pump-jet propulsor with 5 Conclusions The vibro-acoustic characteristics of a coupled pump-jet-shafting-system-SUBOF...
Which gives ducted propellers withblade rootsaround 0.5 times the radius. DuctedPropeller efficiencyof boats is good at low speed.but for a jet ski leisure, one submarine to accelerate sharply if necessary, an outboard low draft, or an integrated waterjet to the hull, it's not theefficiencytha...
However, projected efficiency is still attractive enough for submarine propulsion applications. The major applications of MHD pumps will be discussed, such as pumping of seawater, molten metal, molten salt, and nanofluid pumping. 2. Seawater pumping MHD thrusters have long been recognized as ...
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& Pan, Q. Controlled movement of a smart miniature submarine at various interfaces. ACS Appl. Mater. Interfaces. 10, 24899–24904 (2018). Article CAS PubMed Google Scholar Okabe, S., Sakamoto, K., Murakami, Y., Ishikawa, T. & Miyake, R. Micro-liquid handling on paper analysis chip...
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Nowadays, hundreds of MPPs have been applied in onshore, offshore and submarine oilfields all over the word (Hamoud and Al-Ghamdi, 2008, Humoud et al., 2008). Multiple flow patterns are presented in the multiphase flow of gas and liquid produced from the oil wells, such as bubble flow,...
Example embodiments are directed to a jet pump inspection apparatus that introduces probe cable assemblies to boiling water reactor (BWR) jet pump assemblies from a platform without the need for a submarine assembly. Advantages include allowing a probe head to be removed for servicing without the ne...
and the fluid encounters an extremely small head resistance in a process of flowing through the impeller, such that an impeller with high efficiency and multiple operation conditions is obtained. The impeller can be applied to facilities such as an aircraft, a marine vessel, and a submarine. Alt...