Results 121 to 130 of about 45,044 (300)
Linear Analysis to Control an Electro-hydraulic System Using Proportional Directional Control Valve
Journal of Engineering and Sustainable Development, 2009 In the field of the hydraulic control system, the performance including the stability of the system are important parts of the hydraulic system working.
Jafar M. Hassan +2 more
doaj
Preliminary design of a 100 kW turbine generator [PDF]
The National Science Foundation and the Lewis Research Center have engaged jointly in a Wind Energy Program which includes the design and erection of a 100 kW wind turbine generator. The machine consists primarily of a rotor turbine, transmission, shaft,
Puthoff, R. L., Sirocky, P. J.
core +1 more source
Deep Underground Science and Engineering, EarlyView.Abstract As tunnel construction advances in lengths and depths, the construction of tunnels in high geothermal environments has become increasingly common, raising significant fire risks. In this study, a 1:20 scale model tunnel test platform was constructed to investigate the effects of a high geothermal environment on fire behavior in tunnels during ...
Xiaoxian Fei +6 more
wiley +1 more source
Fire protection and recompression systems for a hypobaric research chamber Final report, Jul. - Dec. 1967 [PDF]
Fire detection-extinguishment and automatic rapid recompression systems for hypobaric spacecraft cabin ...
Brown, J. A. +5 more
core +1 more source
Deep Underground Science and Engineering, EarlyView.A novel shear‐lag model, validated by pull‐out tests, incorporates a constant bond stress stage to predict the complete load–displacement response of grouted rock bolts, providing a new tool for optimizing anchorage length and material toughness in deep underground engineering. Abstract The stability of rock masses in deep underground excavations, such
Wenhui Bian +6 more
wiley +1 more source
Electronic/electric technology benefits study [PDF]
The benefits and payoffs of advanced electronic/electric technologies were investigated for three types of aircraft. The technologies, evaluated in each of the three airplanes, included advanced flight controls, advanced secondary power, advanced avionic
Cronin, M. J., Howison, W. W.
core +1 more source
Deep Underground Science and Engineering, EarlyView.This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
EcoEnergy, EarlyView.An environmentally friendly and highly efficient solar evaporator was constructed using waste biomass materials and polyvinyl alcohol carrier, which achieves an outstanding evaporation rate of 1.48 kg m−2 h−1, corresponding to an energy conversion efficiency of 82.49% under 1.0 kW m−2 simulated sunlight irradiation.
Shuo Qi +10 more
wiley +1 more source
EcoEnergy, EarlyView.his paper presents a self‐powered, rechargeable quasi‐solid‐state zinc‐ion battery‐based flexible pressure sensor with adjustable sensitivity, excellent performance and broad application prospects. ABSTRACT Flexible pressure sensors hold broad application prospects in electronic skin, human–machine interaction, and health monitoring.
Qianqian Yao +7 more
wiley +1 more source
Launch mission summary and sequence of events Telesat-F(anik-D1)/Delta-164 [PDF]
The launch vehicle, spacecraft, and mission are summarized. Launch window information, vehicle telemetry coverage, real time data flow, telemetry coverage by station, selected trajectory information, and a brief sequence of flight events are ...
core +1 more source