Results 11 to 20 of about 20,369 (268)

Plastic and creep deformations of thick-walled cylinder with a rigid casing under internal pressure [PDF]

Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2021
The creep and plastic flow of cylindrical pressurized vessel with rigid casing was considered. To combine creep and plastic deformations the vessel was heated and subjected to the high inner pressure. The semi-analytical solution for plain strain problem
Sergey Viktorovich Firsov
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Simulation of The Effects of Valve Timing Misalignment on Performance in Spark Ignition Engines [PDF]

Engineering Perspective
Engine performance can be improved by changing the valve opening (or closing) timing without any cam profile changes. In this study, a simple simulation model was created for valve timing misalignment, which is an assembly defect in the engine.
Emre Arabacı, Şule Öztürk, Serdar Halis   +2 more
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Experimental Investigation on the High-frequency Pressure Oscillation Characteristics of a Combustion Process in a DI Diesel Engine

Energies, 2020
It is difficult to decompose the in-cylinder pressure of combustion of the direct injection (DI) diesel engine, a transient process associated with complicated oscillation components, because of its steep property. An adaptive cyclic average method based
Xu Zheng, Nan Zhou, Quan Zhou, Yi Qiu, Ruijun Liu, Zhiyong Hao   +5 more
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Stress prediction of marine diesel engine crankshaft based on digital twin technology

Zhongguo Jianchuan Yanjiu, 2023
ObjectivesA crankshaft is a key component of marine diesel engines. In order to monitor crankshaft stress and ensure the safe and reliable operation of ships, a crankshaft stress monitoring method based on digital twin technology is proposed.MethodsBased
Yonghua YU, Meiqiang XIE, Baoyue LI, Ning ZHANG, Xin SONG   +4 more
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Experimental Investigation of Combustion Characteristics on Opposed Piston Two-Stroke Gasoline Direct Injection Engine

Energies, 2021
The combustion characteristics of an opposed-piston two-stroke gasoline engine are investigated with experiment. The energy conversion and exergy destruction are analyzed and the organization method of the combustion process is summarized. The effects of
Fukang Ma, Wei Yang, Junfeng Xu, Yufeng Li, Zhenfeng Zhao, Zhenyu Zhang, Yifang Wang   +6 more
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Research on Selection of Heating Extraction Point for H Class Gas-Steam Combined Cycle Unit in Zengcheng, Guangzhou

南方能源建设, 2021
[Introduction] To find out the best extraction heating scheme according to the medium pressure heating steam parameters of large capacity combined cycle unit. [Method] Combined with the heat load characteristics of Zengcheng project, this paper discussed
FAN Yonggang, WANG Zhong, ZHU Jin, FU Huanxing, CHEN Changshan   +4 more
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Experimental investigations on the failure modes of ring-stiffened cylinders under external hydrostatic pressure

International Journal of Naval Architecture and Ocean Engineering, 2018
This paper reports on the experimental investigations on the failure modes of ring-stiffened cylinder models subjected to external hydrostatic pressure. Nine models were welded from general structural steel.
Sang-Rai Cho, Teguh Muttaqie, Quang Thang Do, Sinho Kim, Seung Min Kim, Doo-Hwan Han   +5 more
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DETERMINATION OF CHARACTERISTICS OF THROTTLING DEVICE FOR PNEUMATIC SPRING

Nauka ta progres transportu, 2018
Purpose. This paper focuses on determination of the dependence of the working medium flow on the capacity of the throttling device, its geometric features and the pressure difference in the pneumatic spring cylinder and in the auxiliary reservoir ...
O. H. Reidemeister, A. V. Laguza
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Combustion, Performance and Emission Characteristics of Waste Olive Oil Biodiesel in a Direct Injection Diesel Engine

Gazi Üniversitesi Fen Bilimleri Dergisi, 2018
In this study, a single cylinder, direct injection diesel engine was run with biodiesel from waste olive oil and the effects of diesel-biodiesel fuel blends on combustion, engine performance and exhaust emissions were investigated experimentally.
Ahmet UYUMAZ, Fahrettin BOZ, Şükrü Ayhan BAYDIR   +2 more
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Numerical Study of the Effect of Magnetic Field on Nanofluid Heat Transfer in Metal Foam Environment

Geofluids, 2021
The magnetic field can act as a suitable control parameter for heat transfer and fluid flow. It can also be used to maximize thermodynamic efficiency in a variety of fields. Nanofluids and porous media are common methods to increase heat transfer.
Hamid Shafiee, Elaheh NikzadehAbbasi, Majid Soltani   +2 more
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