Results 51 to 60 of about 242,308 (112)
Investigation on vibration fatigue crack growth behavior of notched cantilever beams
Hangkong gongcheng jinzhanAviation aircraft will be subjected to a large number of complex random vibration loads during service， and its structure is prone to vibration fatigue，which leads to damage or even failure，which can cause serious losses.
ZHANG Borui +4 more
doaj +1 more source
A prediction method for hydrodynamic load of seaplane with flow separation considered
Xibei Gongye Daxue XuebaoDuring the early design phase of a seaplane, it is necessary to estimate the hydrodynamic load acting on the bottom structure of its fuselage. The flow separation is one of the important factors that makes it difficult to accurately analyse water load ...
REN Xuanqi +4 more
doaj +1 more source
Journal of ToxicologyThe vitamin E derived from palm oil, known as the tocotrienol-rich fraction (TRF), has been reported to possess potent anticancer and immunomodulatory effects in numerous cell-based and animal models of breast cancer (BC). However, only a low dose of TRF
Nevvin Raaj Morgan +3 more
doaj +1 more source
Aeroacoustic test system design and experimental research for counter-rotating propeller
Hangkong gongcheng jinzhanThe aerodynamic noise test of counter-rotating propellers in wind tunnels has the problems of difficult time coordination and high cost. The aerodynamic noise test system of counter-rotating propellers，which is capable of simulating the driving state of ...
CAO Qi +4 more
doaj +1 more source
Hangkong gongcheng jinzhanThe mechanism of contra-rotating propeller's aerodynamic noise is very complicated，and propeller-driven aircraft is not equipped passive noise reduction components such as nacelle liner to absorb noise during sound transmission，the noise generated by ...
YANG Jiafeng +4 more
doaj +1 more source
Growing from strength to strength
Journal of Indian Society of Periodontology, 2013 openaire +3 more sources