Results 41 to 50 of about 1,122,763 (363)

Fatigue failures in low pressure die cast AlSi10Mg cylinder heads

open access: yesInternational Journal of Cast Metals Research, 2008
AbstractExposed to both high and low cycle fatigue, the modern automotive cylinder head is certainly a demanding application for aluminium alloys. AlSi10Mg cylinder heads were investigated to identify the material issues which impact their performance.
Birol, Y., Ebrinc, A. A.
openaire   +2 more sources

Numerical investigation on the cavitating wake flow around a cylinder based on proper orthogonal decomposition

open access: yesFrontiers in Energy Research, 2023
The non-cavitating and cavitating wake flow of a circular cylinder, which contains multiscale vortices, is numerically investigated by Large Eddy Simulation combined with the Schnerr–Sauer cavitation model in this paper.
Guangjian Zhang   +4 more
doaj   +1 more source

Improvement and Application of Key Tools for Hydraulic Jet Fracturing [PDF]

open access: yesE3S Web of Conferences, 2021
Aiming at the problems of poor reliability, low construction efficiency, and short service life of fracturing string in the application of hydraulic jet technology in Daqing Oilfield, targeted research has been carried out on key tools such as rubber ...
Zhang Yibo
doaj   +1 more source

Cavitation upon low-speed solid–liquid impact

open access: yesNature Communications, 2021
A solid hitting a liquid surface normally creates a region of high pressure at the solid-liquid contact area. Now, it is shown that for a flat-bottomed cylinder hitting a liquid at low-enough impact speed, the local pressure is sufficiently low to cause ...
Nathan B. Speirs   +4 more
doaj   +1 more source

A Virtual In-Cylinder Pressure Sensor Based on EKF and Frequency-Amplitude-Modulation Fourier-Series Method

open access: yesSensors, 2019
As a crucial and critical factor in monitoring the internal state of an engine, cylinder pressure is mainly used to monitor the burning efficiency, to detect engine faults, and to compute engine dynamics.
Qiming Wang   +3 more
doaj   +1 more source

Chaos theory-based time series analysis of in-cylinder pressure and its application in combustion control of SI engines

open access: yesJournal of Thermal Science and Technology, 2020
Combustion control is a significant topic for achieving high efficiency and low emissions of internal combustion engines. Recently, in-cylinder pressure sensor-based closed-loop control strategies have become the preferred solution.
Huanyu DI, Yahui ZHANG, Tielong SHEN
doaj   +1 more source

Research on unsteady aerodynamic performance of last stage for low pressure cylinder of steam turbine

open access: yesJournal of Vibroengineering, 2018
The last stage of the turbine low pressure cylinder has a complex flows, especially under the high mass flow and low mass flow conditions, where there is an obvious unsteady flow phenomena and obvious rotor-stator interaction.
D. Chu, Qing He, Li Li
semanticscholar   +1 more source

Forces exerted on a cylinder in near-axial flow [PDF]

open access: yes, 2014
International audienceThis study investigates the flow around a cylinder in a near-axial flow at a Reynolds number of 27,000. Both computational fluid dynamics (CFD) calculations and experiments are performed.
Berland, Julien   +5 more
core   +3 more sources

Experimental determination of conditional clearances for cylinder piston seals of compressor units [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
The current problem of determining the dependence of the conditional clearance in the cylinder-piston seal on the operating pressure at a fixed piston is solved by the authors in this paper.
S. S. Busarov   +2 more
doaj   +1 more source

Experimental study on the effect of high-pressure and low-pressure exhaust gas recirculation on gasoline engine and turbocharger

open access: yesAdvances in Mechanical Engineering, 2018
The effects of high-pressure and low-pressure exhaust gas recirculation on engine and turbocharger performance were investigated in a turbocharged gasoline direct injection engine.
Xianqing Shen, Kai Shen, Zhendong Zhang
doaj   +1 more source

Home - About - Disclaimer - Privacy