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Sakthi1267
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How to calculate the raise in temperature of air when it's pressurized by a piston type air pump from atmospheric pressure to 3 bar(gauge pressure) ?
Calculating Air Temp Increase from Atmospheric to 3 Bar Pressure
- Thread starter Sakthi1267
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- Air Atmospheric increase Pressure
AI Thread Summary
To calculate the temperature increase of air when pressurized from atmospheric pressure to 3 bar using a piston-type air pump, one can apply principles from the adiabatic process. The relevant formula for an isentropic process is T2/T1 = (p2/p1)^(gamma-1/gamma), where gamma is 1.4 for air. The initial temperature T1 is typically the normal atmospheric temperature. The discussion emphasizes the importance of determining whether the process is isentropic or polytropic, as this affects the calculations. Understanding these principles is crucial for accurate temperature predictions during air compression.
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Scenario 1 (figure 1)
A continuous loop of elastic material is stretched around two metal bars. The top bar is attached to a load cell that reads force. The lower bar can be moved downwards to stretch the elastic material.
The lower bar is moved downwards until the two bars are 1190mm apart, stretching the elastic material. The bars are 5mm thick, so the total internal loop length is 1200mm (1190mm + 5mm + 5mm).
At this level of stretch, the load cell reads 45N tensile force.
Key numbers...
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