Results 11 to 20 of about 3,485 (310)

Hidrolik Sistemlerdeki 90° Bükümlü Borularda Oluşan Basınç Kayıplarının Sayısal Olarak İncelenmesi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2023
Hidrolik sistemler, günümüzde birçok alanda kullanılmaktadır. Özellikle yüksek güç ihtiyacı olan işlerde tercih edilmektedir. Hidrolik sistemler temelde birkaç basit devre elemanı ve bu elemanları birbirlerine bağlayan devre iletim parçalarından, iletim ...
İsmet Tıkız, Yavuz Selim Korkmaz
doaj   +1 more source

Technical features of controlled cooling of circular workpieces after ring rolling

open access: yesЛитьë и металлургия, 2023
The analysis of the ring rolling machine capabilities in providing increased accuracy of ring blanks is performed. The necessity of operator’s participation in controlling the ring rolling machine to achieve the required accuracy even with full ...
V. E. Antonyuk   +2 more
doaj   +1 more source

Assessment of the effect of quality factors on the assortment structure in poplar plantations [PDF]

open access: yesGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2008
Quality factors affecting the assortment quality structure in poplar plantations were researched on nine temporary sample plots in the period 1997-2004, from the aspect of the implementation of roundwood standards. Sample plots were selected depending on
Danilović Milorad
doaj   +1 more source

Deformation and Response Analysis of Spur Gear Pairs with Flexible Ring Gears and Localized Spalling Faults

open access: yesMachines, 2022
For the analysis on the deformation of flexible ring gears in spur gear pairs, the complete flexible ring is discretized, and the boundary condition is added to the connecting points to develop a calculation method for the flexible deformation.
Shuping Yan   +7 more
doaj   +1 more source

PRECISION, STABILITY ANALYSIS OF THE CRANKSHAFT GRINDING TECHNOLOGICAL PROCESS

open access: yesВестник СибАДИ, 2019
Introduction. The article is devoted to the problem of the crankshafts quality of automotive tractor engines on the example of YaMZ - 238NB engines.
S. A. Kornilovich, B. S. Trofimov
doaj   +1 more source

Experimental and Numerical Investigation on the Heat Treatment Effects of AA6063 Aluminum Alloy Tubes During Rotary Draw Bending [PDF]

open access: yesIranian Journal of Materials Science and Engineering, 2022
In this study, the effects of heat treatment of aluminum alloy on the tube bending process were investigated in the rotary draw bending process. As two experimental and numerical simulation methods were used to determine the wall-thinning, ovality, and ...
Hamid Reza Rezaei Ashtiani   +1 more
doaj  

Effect of Ovality Length on Collapse Strength of Imperfect Sandwich Pipes Due to Local Buckling

open access: yesJournal of Marine Science and Engineering, 2021
The effect of ovality length on imperfect sandwich pipes is investigated using the finite element method in the scenario of local buckling under external pressure.
Ruoxuan Li   +2 more
doaj   +1 more source

Design of cylindrical plastic pipe linings to resist buckling due to collapse pressures [PDF]

open access: yes, 2005
Flexible (non-bonded) polymeric sewer linings are used extensively to renovate both gravity and pressure pipes. Linings for both types of pipe are subject to collapse pressures, and in the case of gravity pipes this is the dominant source of loading ...
Boot, John C.
core   +1 more source

A Novel Technique for Temporarily Repair and Improvement of Damaged Pin Joint Support Bores

open access: yesApplied Mechanics, 2022
Damaged support bores due to wear and ovality can be critical for a machine and its operation, in addition to representing a safety problem and risk of pin breakage.
Øyvind Karlsen   +2 more
doaj   +1 more source

Numerical evaluation of the pipe-pile buckling during vibratory driving in sand [PDF]

open access: yes, 2019
The buckling of steel pipe piles during vibratory driving is numerically studied using the Multi-Material Arbitrary Lagrangian-Eulerian (MMALE) method. This method handles the large soil deformations that occur during pile driving and other geotechnical ...
Aubram, Daniel   +3 more
core   +1 more source

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