Pump cavitation is the formation and subsequent collapse or implosion of vapor bubbles in a pump. It occurs when the absolute pressure on the liquid falls below the liquid’s vapor pressure. This paper describes the validation of cavitation inception on a radial flow pump which develops 21m of head at 26lps of discharge at its best efficiency point (BEP) of discharge while operating at a speed o...

T he systems of health care delivery in the United Kingdom and the United States were compared at the recent American College of Surgeons meeting in Chicago, Ill. The opening speaker, Anthony Giddings, MD, FRCS, introduced the session by outlining the development of the current National Health Service and provision of health care in the United Kingdom. Prior to its inception in 1948, there was ...

Cracking sounds emitted from human synovial joints have been attributed historically to the sudden collapse of a cavitation bubble formed as articular surfaces are separated. Unfortunately, bubble collapse as the source of joint cracking is inconsistent with many physical phenomena that define the joint cracking phenomenon. Here we present direct evidence from real-time magnetic resonance imagi...

The shedding process of the Kármán vortices at the trailing edge of a 2D hydrofoil at high Reynolds numbers is investigated. The focus is put on the effect of the cavitation on the vortex street morphology. A direct insight is also provided on the role of the structural vibration on the cavitation inception. The shedding frequency, derived from the measurement of flow induced vibration, is foun...

Thefaults in the underground cables cause to generatetransients which propagate along power cable as travelling waves. The velocity of generated wave and time taken by a reach source point from fault location enables us calculate distance value.In this paper double endedtravelling based approach is used communication channel designed distance. A circuit-based model developed EMTP-RV software fi...

Abstract In video behavior recognition, making full use of the spatio-temporal information contained in frame is critical point to further improve recognition accuracy. our study, we propose a algorithm based on two-stream heterogeneous network, so that can extract feature frame, and finally take advantage features sequence. view characteristics RGB optical flow images, this paper uses DenseNet...