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FL 140: Stress and Strain Analysis on a Thick-Walled Cylinder

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Stress and Strain Analysis on a Thick-Walled Cylinder

Stress and Strain Analysis on a Thick-Walled Cylinder Stress and Strain Analysis on a Thick-Walled Cylinder Stress and Strain Analysis on a Thick-Walled Cylinder

Product Details


Technical Description 
 
This benchtop unit demonstrates the normal distribution of stress in the radial, tangential and axial directions in the wall of a container under internal pressure, and allows theory to be checked experimentally. A thick-walled aluminium cylinder is placed under internal pressure using a hand pump; the pressure is displayed on a manometer. The hydraulic system is hermetically sealed and maintenance-free. Strain gauges are fitted at various radii in a joint in the cylinder. Using these gauges, it is possible to fully record the strain in the cylinder. For this purpose, the measuring amplifier FL 151 is used as an accessory. The actual stresses are calculated from the strain measurements. All components are fitted to a portable base plate.

Learning Objectives / Experiments

- Measurements of strain in the wall of a cylinder under internal
  pressure
- Determination of the distribution of stress in the container wall
- Investigation of the relationships between, strain, stress and load
- Usage of Mohr's circle

Features
 
* Demonstration of three-dimensional stress states in
   the wall of a container under internal pressure

Specification

[1] Benchtop experiment of the stress states in a thick-walled container under internal pressure
[2] Aluminium cylinder
[3] Max. experimental pressure 7N/mm² (70bar)
[4] Manometer to indicate the pressure
[5] 8 strain gauges at varying radii in the cylinder wall
[6] l x w x h 700x350x330mm
 
Technical Data

Cylinder
- length: 300mm
- diameter: D=140mm
- wall thickness: 50mm
Internal pressure: max. 7N/mm² (70bar)
Manometer: 0...100bar
 
Dimensions and Weight

l x w x h : 700 x 350 x 330 mm
Weight : approx. 32 kg

Scope of Delivery

1 complete experimental apparatus
1 instruction manual
 
Order Details

021.14000  FL 140  Thick Cylinder Apparatus

Available accessories
 
FL 151 -- Multi Channel Measuring Amplifier
 
Alternative products
 
FL 120 -- Round Diaphragm Apparatus
FL 130 -- Thin Cylinder Apparatus

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:
info@selkagmbh.com   |  Internet: http://www.selkagmbh.com

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