Results 151 to 160 of about 3,852 (197)

Experimental studies on acoustics of corrugated tubes

Noise Control Engineering Journal, 2018
Corrugated tubes offer greater global flexibility combined with local rigidity. They are used in numerous engineering applications such as HVAC ducts and offshore gas flexible riser pipelines. In recent years, there are renewed research interests to understand a tone generation (whistling) when air flow through a corrugated tube.
B. Rajavel, M.G. Prasad
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Corrugated Tube Inversion for Energy Absorption

Volume 3: 17th International Conference on Advanced Vehicle Technologies; 12th International Conference on Design Education; 8th Frontiers in Biomedical Devices, 2015
Thin-walled tubes subjected to axial crushing have been extensively used as energy absorbers in transportation system. It has been known for some time that inversion of a circular tube can have very high energy absorption capability and a stable reaction force.
Yang Li, Zhong You
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Friction Factors for Corrugated Plastic Tubing

Journal of the Irrigation and Drainage Division, 1970
Hydraulic tests on corrugated plastic drain tubing were conducted at the Southwestern Irrigation Field Station of the Agricultural Research Service, Brawley, CA. Manning's n and Darcy-Weisback f were determined for commercially available tubing from 1.375 to 4-in. nominal diameter.
Lee F. Hermsmeier, Lyman S. Willardson
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Parameter design model for corrugated tubing

Polymer Engineering & Science, 1983
AbstractIt is of interest to produce plastic corrugated tubing as strong as possible with a minimum amount of material. Simultaneously, the tubing has to resist stretching, and maintain flexibility for transport purposes. To find the optimum profile geometry, two mathematical models were employed.
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Behaviour of axially crushed corrugated tubes

International Journal of Mechanical Sciences, 1997
Abstract The energy absorption characteristics of corrugated tubes are experimentally studied. The corrugations are introduced in the tube to force the plastic deformation to occur at predetermined intervals along the tube generator. The aims are to improve the uniformity of the load—displacement behaviour of axially crushed tubes, predict and ...
A.A. Singace, H. El-Sobky
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Axial Stiffness Analysis of Corrugated Tubes

Journal of Pressure Vessel Technology, 2010
In this study, axial stiffness analysis of corrugated tubes was carried out numerically and experimentally. By performing axial loading-displacement analysis, a so-called stiffness weakness factor Kf for the corrugated tube was proposed and formulated.
Caifu Qian, Cunzheng Sun, Jinhua Xiao
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EFFECTS OF INNER CORRUGATED TUBES ON HEAT TRANSFER IN THE ANNULAR TUBE

Transactions of the Canadian Society for Mechanical Engineering, 2004
Experimental heat transfer data for single-phase water flow in the annuli with corrugated inner tubes are presented. In the annuli with parallel flow, ten different annular arrangements are considered. For water flow rate in the range of 1,700 < Re< 13,000 , data for Nusselt numbers are presented. The results show significant effects of both the
Soo Whan Ahn, Myoung Ho Kim
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Influence of corrugation shape on heat transfer performance in corrugated tubes using numerical simulations

International Journal of Thermal Sciences, 2019
In this paper, numerical simulations are carried out to analyse the influence of geometrical parameters on the heat transfer and flow patterns for six spirally corrugated tubes at turbulent flow (Re = 25× 10 3). Some previous studies are restricted to 2-D analyse or 3-D numerical simulations considering a reduced section length of the tubes as the ...
J.I. Córcoles, J.F. Belmonte, A.E. Molina, J.A. Almendros-Ibáñez   +3 more
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Experimental study of corrugated tubes under lateral loading

Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2010
Thin-walled tubes are widely used as energy absorbers in various vehicles and moving parts. The objective of this study is to investigate the energy absorption characteristics of tubes with corrugations in different geometries, under lateral loading. In order to produce corrugations, an innovative solution is introduced.
A. Eyvazian, M. Shakeri, M. Zarei Mahmoudabadi   +2 more
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CONNECTOR FOR A CORRUGATED FLEXIBLE TUBING AND TUBING SYSTEM

2001
The invention relates to a connector for a corrugated flexible tubing. Said connector comprises a connecting piece (1) with a pipe connection (4) for coupling to a corrugated flexible tube piece (2) and a securing collar (9) that retains the corrugated flexible tube piece (2) on the pipe connection (4), the individual elements being configured such ...
SCHLEMMER GMBH, KREBS THOMAS, MUTSCHLECHNER KLAUS   +2 more
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