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FL 130: Stress and Strain Analysis on a Thin-Walled Cylinder

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Stress and Strain Analysis on a Thin-Walled Cylinder

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

Product Details

Technical Description 
The main component of this benchtop unit is a thin-walled metal cylinder. It is sealed on one side with a piston which can be repositioned with a hand wheel. This makes it possible to create either the dual-axis stress state of a sealed container or the single-axis stress state of a tube. The cylinder is filled with oil and is hermetically sealed and maintenance-free. The internal pressure is generated with a hand-activated hydraulic pump and displayed on an easy-to-read manometer. Five measuring tapes are attached around the perimeter at angles of 0°, 30°, 45°, 60° and 90° to the cylinder axis to measure the elongation. The unit is used in conjunction with the measuring amplifier FL 151.

Learning Objectives / Experiments

- Determination of the principal stresses of an open cylinder (open
- Determination of the principal stresses of a closed cylinder
- Comparison of open/closed cylinders
- Determination of transversal contraction coefficient
* Direct stress can be measured on container along
  length and tangentially1
* Closed container or open tube can be illustrated


[1] Benchtop experiment on the stress state of a thin-walled cylinder with applied internal pressure
[2] Aluminium cylinder
[3] 5 strain gauges around perimeter, various orientations
[4] Max. experimental pressure 35N/mm² (35bar)
[5] Manometer to indicate pressure
[6] l x w x h 700x330x350mm

Technical Data

- length: 400mm
- diameter: D=75mm
- wall thickness: 2.8mm
- aluminium
Internal pressure: max. 3.5N/mm² (35bar)
5 strain gauges in half-bridge circuit around perimeter
Manometer: 0...60bar

Dimensions and Weight

l x w x h : 700 x 350 x 350 mm
Weight : approx. 25 kg

Scope of Delivery

1 complete experimental apparatus
1 experiment instructions
Order Details

021.13000  FL 130  Thin Cylinder Apparatus

Available accessories
FL 151 -- Multi Channel Measuring Amplifier
Alternative products

FL 120 -- Round Diaphragm Apparatus
FL 140 -- Thick Cylinder Apparatus

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

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