Results 21 to 30 of about 20,369 (268)

Design, Fabrication and Structural Analysis of a 5 Tons Hydraulic Press and Mould Machine for Crucible Production [PDF]

open access: yesComputational Engineering and Physical Modeling, 2020
A hydraulic press machine comprising of the frame, cylinder, hand pump, and pressure gauge was designed, fabricated, and evaluated. The machine is manually operated and the frame was modeled using the Solidwork application software 2018 version.
Olatunji Ojo   +2 more
doaj   +1 more source

Analysis on mechanism of material removal rate and surface flow machining process [PDF]

open access: yesMATEC Web of Conferences
A novel finishing technique called abrasive flow machining (AFM) uses abrasive particles as the instrument for material removal. The term "self-deformable stone" refers to the abrasive particle-containing carrier medium, and AFM is commonly known as "no ...
Kondala Rao Peram, Ranga Janardhana G.
doaj   +1 more source

Performances of a Research CFR Octane Rating Unit Engine and Dacia Single Cylinder SI Engine Ignited by a LASER System [PDF]

open access: yesE3S Web of Conferences, 2019
At this time, the severe legislation regarding the level limits of the waste and exhaust gases released by thermal engines and also the necessity of engines efficiency improvement boost the engine research domain to bring in front the use of new ...
George Done Bogdan, Copae Ion
doaj   +1 more source

Influence of intake parameters on combustion and emission performance of dual-fuel Marine diesel engines [PDF]

open access: yesE3S Web of Conferences, 2019
We in order to study the influence of intake parameters on the combustion and emission of natural gas-diesel dual-fuel Marine engine, AVL_FIRE simulation software was used to build a high pressure cycle model of combustion chamber based on 4190ZLC-2 ...
Dend Tao   +4 more
doaj   +1 more source

Effect of Pressure on the Superconducting Properties of Tl2Ba2Ca2Cu3O9-δ

open access: yesCrystals, 2018
This study investigated the application of pressure on the superconducting properties of a thallium-based cuprate, namely Tl2Ba2Ca2Cu3O9-δ (Tl-2223). The superconducting transition temperature (Tc) and the critical current density (Jc) were studied
Anota O. Ijaduola   +2 more
doaj   +1 more source

Heat release analysis and thermal efficiency of a single cylinder diesel dual fuel engine with gasoline port injection

open access: yesCase Studies in Thermal Engineering, 2018
Cleaner diesel engines have been successively developed to meet a compromised solution for issues concerning performance and emission regulation. Combustion and exhaust gas after-treatment technologies are exhaustively settled to resolve those problems ...
Chondanai Vipavanich   +2 more
doaj   +1 more source

Study on quasi-isothermal expansion process of compressed air based on spray heat transfer

open access: yesEnergy Reports, 2022
The piston expander with compressed air as working medium has been widely studied for its advantages of cleanliness, reliability and safety, but its application is limited by low exhaust temperature and low output power/efficiency.
Qihui Yu   +3 more
doaj   +1 more source

Drag and lift forces when moving in a cohesive granular medium [PDF]

open access: yesEPJ Web of Conferences
When a cylinder moves horizontally in a dry granular medium, it experiences both a drag force and a significant lift force, despite the symmetry of the geometry. The lift force arises due to the unique frictional nature of granular material rheology. The
Dumont Denis   +2 more
doaj   +1 more source

The lifetime forecasting of machine elements by fatigue strength criterion

open access: yesDiagnostyka, 2021
The method for assessing the lifetime of structural elements by the criterion of fatigue strength is improved. It includes tests of laboratory material samples, the positions of the statistical theory of similarity of fatigue failure, calculation of the ...
Yuriy Khomyak   +4 more
doaj   +1 more source

Diesel-natural gas dual fuel injection strategy effects on engine ignition delay and cylinder pressure evolution

open access: yesCase Studies in Thermal Engineering
Diesel pilot high-pressure direct injection (HPDI) natural gas technology has been noticed and applied in medium and heavy-duty engines due to its outstanding economy and power performance.
Wei Wang, Chenglong Tang, Zuohua Huang
doaj   +1 more source

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