Results 31 to 40 of about 178,059 (215)

Modeling of hydraulic support system for large structures

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the control of a large structure, hydraulic equipment is often used because it requires a large output. In this study, we focus on the telescope as an example of a large structure, and model its hydraulic support system and analyze its characteristics
Tomoya HATTORI   +5 more
doaj   +1 more source

Computer program determines gas flow rates in piping systems [PDF]

open access: yes, 1966
Computer program calculates the steady state flow characteristics of an ideal compressible gas in a complex piping system. The program calculates the stagnation and total temperature, static and total pressure, loss factor, and forces on each element in ...
Franke, R.
core   +1 more source

J-integral evaluation methods for cylinders with multiple circumferential cracks subjected to bending moments

open access: yesMechanical Engineering Journal, 2018
This paper describes the J-integral evaluation methods for the case of multiple circumferential cracks in a cylinder subjected to bending moments. J-integral is one of the parameters of fracture mechanics used in the fracture assessment of materials that
Hideo MACHIDA   +3 more
doaj   +1 more source

Experimental validation of hydraulic support system for large structures

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the control of a large structure, hydraulic equipment is often used because it requires a large output. In this study, we focus on a telescope as an example of a large structure, and experimentally verify the basic characteristics of the hydraulic ...
Tomoya HATTORI   +7 more
doaj   +1 more source

ANALISIS PERBEDAAN LIKUIDITAS SAHAM DAN RETURN SAHAM DI SEKITAR PENGUMUMAN STOCK SPLIT [PDF]

open access: yes, 2011
Penelitian ini bertujuan untuk mengetahui apakah terdapat perbedaan ratarata return saham perusahaan sebelum dan sesudah stock split dan apakah terdapat perbedaan tingkat volume perdagangan sebelum dan sesudah stock split.
MARWATININGSIH, PIPING
core  

Impression creep testing across a heat affected zone

open access: yesUbiquity Proceedings, 2018
Impression creep testing was applied for studying the creep strain rates in the heat affected zone of a P22 weld in order to support an FE analysis of a piping system. The specimen size recommendations for impression creep were violated in the sense that
J.H. Rantala, T. Andersson
doaj   +1 more source

A Review of Spatial Monitoring of Piping Collapse Using Unmanned Aerial Vehicle in Loess-Derived Soils in the Golestan Province [PDF]

open access: yesپژوهش‌های آبخیزداری, 2020
Piping erosion is an influential landform of intensified water erosion that interact with each other in the loess-derived soilsof the Province of Golestan (NE Iran).
Narges Kariminejad   +2 more
doaj   +1 more source

Investigation on damage evaluation index with ductility factor based on simulation analysis for loading test of piping support structure

open access: yesMechanical Engineering Journal
The importance of seismic probabilistic risk assessment has drawn considerable attention for improving the seismic safety of nuclear facilities against earthquakes that exceed the design input ground motion.
Yukihiko OKUDA   +3 more
doaj   +1 more source

Piping in newsprint rolls [PDF]

open access: yes, 1988
The problem is concerned with the formation of 'piping' or 'moisture welts' on rolls of newsprint; The goal was to develop a mathematical model which would explain why and how these defects occurred, and what might be done to alleviate ...
=, =
core  

AVALIAÇÃO DA SUSCEPTIBILIDADE DE SOLOS GNAISSICOS À EROSÃO SUBSUPERFICIAL / Evaluation of piping erosion susceptibility in gnaissic soils [PDF]

open access: yesSociedade & Natureza, 2007
The basement rock areas of the Maracujá hydrographic basin show great incidence of hugegullies. This work aims to investigate the influence of the underground erosive processes inthe evolution of these features and to understand how the mineralogical and
Frederico Garcia Sobreira   +2 more
doaj  

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