Thin-Shell Pressure Vessel Theoretical and Experimental Stresses

1963 ◽  
Vol 85 (2) ◽  
pp. 195-200
Author(s):  
Edward O. Jones
Keyword(s):  
Experimental Investigation ◽  
Cylindrical Shell ◽  
Theoretical Analysis ◽  
Pressure Vessel ◽  
Thin Shell

This paper is concerned primarily with a comparison of experimental and theoretical shell-to-head junction stresses of a thin-shell pressure vessel. The portion of the vessel with which this investigation was concerned was the region at the junction of a two-to-one ellipsoidal head and a cylindrical shell. Both a discussion of the theoretical analysis and a description of the experimental investigation are included in the paper.

Experimental Investigation of Cylindrical Shell Stresses due to Penetration Loads Where R/T = 1264

1983 ◽  
Vol 105 (3) ◽  
pp. 201-206 ◽  
Author(s):  
R. A. Whipple ◽  
J. Hagstrom ◽  
H. Dykstra
Keyword(s):  
Experimental Investigation ◽  
Cylindrical Shell ◽  
Pressure Vessel ◽  
Test Procedure ◽  
Cylindrical Panel ◽  
Diameter Ratio ◽  
Bending Moments ◽  
Membrane Stress ◽  
Test Program ◽  
Radial Forces

Stresses and displacements for a nozzle connection typical of those found in a large storage or pressure vessel were measured for applied radial forces, circumferential moments and longitudinal moments. The test program was conducted on a 2 1/2-in. φ penetration, centered and welded into a 60 in. × 60 in. cylindrical panel with a radius to thickness ratio of 1264. The nozzle diameter to cylindrical shell diameter ratio was 0.01. The panel edges were bolted to a stiff rectangular frame. This report presents the measured radial deflections and nozzle rotations, the membrane stress resultants and shell bending moments in the vicinity of the penetration for the three loadings. A brief description of the model and the test procedure is also presented.

Theoretische Analyse eines neuen Loslagerkonzepts*/Theoretical analysis of a new floating bearing - The simulated operational behavior of FRB bearings in comparison to reference bearings

2015 ◽  
Vol 105 (05) ◽  
pp. 285-290
Author(s):  
C. Brecher ◽  
M. Fey ◽  
J. Falker
Keyword(s):  
Experimental Investigation ◽  
Theoretical Analysis ◽  
High Speed ◽  
Contact Point ◽  
Ball Bearings ◽  
Roller Bearings ◽  
Cylindrical Roller ◽  
Bearing System

Das Floating-Roller-Ball (FRB)-Lager ist ein Konzept für Radiallager als Loslager für Hochgeschwindigkeits-Motorspindeln, das die Vorteile von Zylinderrollenlagern und angestellten Mehrpunktlagern in einer neuen Wälzkörpergeometrie kombiniert. Zur Auslegung des ersten Prototyps wurde mithilfe eines Berechnungstools das theoretische Betriebsverhalten untersucht. Die Berechnungsergebnisse liefern Randbedingungen als Grundlage zur experimentellen Untersuchung des Lagerkonzepts.   Floating roller ball bearings provide a new floating bearing system for high-speed motor spindles, combining the advantages of both cylindrical roller bearings and elastically mounted multi-contact point bearings in a new roller geometry. To design the first prototype, the operational behavior of the bearing system was analyzed theoretically by a new calculation tool. The results provide the basis for the experimental investigation of the bearing concept.

Research on Hydroforming of Bimetallic Lined Pipe

2010 ◽  
Vol 97-101 ◽  
pp. 4172-4177 ◽  
Author(s):  
Qin Zhu Chen ◽  
Xue Sheng Wang ◽  
Zheng Bian Wang
Keyword(s):  
Experimental Investigation ◽  
Theoretical Analysis ◽  
Industrial Production ◽  
New Technology ◽  
Expansion Method ◽  
Technical Characteristic ◽  
Stress And Strain ◽  
Hydroforming Process ◽  
Outer Pipe

A new kind of hydraulic expansion device for bimetallic CRA-lined pipe has been researched and developed, as well as its operational principal and technical characteristic were introduced. The stress and strain in the liner and outer pipe during the hydroforming process have been analyzed theoretically and the mechanism of hydraulic expansion method is studied, and the final forming pressure formula has been obtained. The theoretical analysis is verified by experimental investigation, the results indicate that the new technology is feasible and can be applied in industrial production.

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