Stress & Strain Analysis on a Membrane Trainer
(MT115)
- Demonstrate the basic principles of measuring strains using strain gauge technology.
- Utilize strain gauges to measure radial and tangential strains on on the membrane surface.
- Employ a dial gauge to accurately determine the deflection of the material under load.
- Compute the radial stress and tangential stress using the measured strain data.
- Represent the strain data to determine the principal strains and the corresponding stresses values.
- Use Mohr›s strain circle to calculate the principal strain.
- Pressure gauge
- Scale: 0 ~ 1 bar
- Piston cylinder
- Stroke: 10 cm
- Max. pressure: 1 bar
- 8x Starin gauges
- Half bridge
- Resistance: 350 ohm
- Dial gauge:
- Measuring range: 0 ~ 12.7 mm
- Resolution: 1 μm
- Membrane:
- Material: Aluminum
- Thickness: 3 mm
- Stress and Strain Analysis on a Membrane Trainer (MT115)
- Hard copy user manual
- Laboratory PC
- Digital content (BI01)
The stress and strain analysis on a membrane trainer is conducted using a bench-top unit that includes components such as the diaphragm, dial gauge, measuring amplifier, and a small hydraulic setup. The system incorporates strain gauges, these gauges convert force, pressure, tension, and weight into changes in electrical resistance that can be measured. In this experiment, strain gauges are used to determine the amount of two specific types of forces applied to a membrane or diaphragm, namely stress and strain. The experiment also analyzes these forces under compression to further define radial and tangential stress profiles based on the measured strains.
- The training system is a bench-top training unit designed for practical demonstration of stress and strain analysis on a membrane or diaphragm..
- The system setup includes a diaphragm, dial gauge, measuring amplifier, strain gauges, dial gauge, and a compact hydraulic unit for pressure application.
- The strain gauges are used to convert mechanical forces such as pressure and deformation into changes in electrical resistance for measurement.
- The training system allows measurements of the radial and tangential strains on the membrane surface.
- The dial gauge is used to record the deflection of the membrane under load.
- The strain data collected enables calculation of radial and tangential stresses on the membrane.
- The trainer setup supports analysis of the stresses based on the measured strains.
- The system is also equipped with a pressure gauge that displays the applied pressure from the hydraulic piston cylinder.
- The application of Mohr’s strain circle allows for the graphical representations of the principal strains.
- The software interface provides graphical outputs that illustrate the relationship between membrane radius and corresponding deflection.
- It also displays comparisons between calculated and measured values for both tangential and radial stresses.