Results 21 to 30 of about 56,749 (281)
Tribology Online, 2016 In the automotive industry one of the crucial issues is reduction of CO2 emission to protect environment. A lot of researches have been done to reduce the CO2 emission of cars by improving efficiency of engine and engine parts or lowering the weight ...
Shahjada Ahmed Pahlovy +4 more
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Analysis and Suppression Method of Drag Torque in Wide-Speed No-Load Wet Clutch
ActuatorsUnder no-load conditions, the wet clutch of vehicles generates drag torque across a wide speed range, which increases power loss in the transmission system and significantly impacts its efficiency and reliability.
Rui Liu +5 more
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Frontiers in Energy Research, 2023 Wind power generation is considered an effective way for ships to harness wind energy, and the aerodynamic characteristics of wind turbines determine wind energy utilization and efficiency.
Huawu Zhang, Yihuai Hu
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Research on drivability control in P2.5 hybrid system
Energy Reports, 2021 The control of drivability in this paper contains the clutch start, the engine and motor anti-jerk control during tip in and tip out. First, the fast clutch start is divided into five phases as well as the smooth clutch start: the gear selection phase ...
Junchao Jing +5 more
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Study of Torque, Drag and Hydraulics of a Deviated Drilled Well using Drilling Office Software [PDF]
Journal of Chemical and Petroleum Engineering, 2019 Rotational drilling was a revolution in drilling technology. It made the drilling process more efficient and faster and more depth of well could be achieved through rotation method.
Amir Hossein Saeedi Dehaghani +2 more
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Optical alignment and spinning of laser-trapped microscopic particles [PDF]
, 1998 Light-induced rotation of absorbing microscopic particles by transfer of angular momentum from light to the material raises the possibility of optically driven micromachines.
A Ashkin +9 more
core +2 more sources
Applied Sciences, 2023 This paper focused on the investigation of the blades for a carousel rotor of a wind turbine with a vertical axis. Cross sections of the single coherent (SC) and the dual coherent (DC) blades were compared in terms of the aerodynamic forces and ...
Marcin Augustyn, Filip Lisowski
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Windage measurements in a rotor stator cavity with rotor mounted protrusions and bolts [PDF]
, 2012 This paper reports an experimental investigation of the windage associated with enclosed rotor-stator systems with superposed throughflow, as commonly found in gas turbine engines.
Coren, Daniel +2 more
core +1 more source
, 2010 We provide torque formulae for low mass planets undergoing type I migration in gaseous disks. These torque formulae put special emphasis on the horseshoe drag, which is prone to saturation: the asymptotic value reached by the horseshoe drag depends on a ...
Baruteau +26 more
core +1 more source
Platform, a Journal of Engineering, 2020 Different locations and field conditions require various drilling methods to produce oil and gas. Three major operational methods are identified to be slim holes, conventional and casing drilling.
Davood Zivar +3 more
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