Review of Literature and Data Sheets for Expansion Process:
Link to the Selected Air Motor:
https://www.gastmfg.com/products/6am/6am-arv-54
We used this specification data sheet to learn about the dimensions of the air motor. The shaft length is 1.57 inches which provides us with information about how wide the belt can be that will connect the air motor to the generator.
Link to 8 am Air Motor:
https://www.gastmfg.com/products/8am/8am-nrv-42a
We also looked at a larger air motor. This air motor was more expensive and wasn’t necessary to meet our design goals. The generator that was within our budget couldn’t intake the extra rpm input so we chose to use the smaller air motor.
Link to the Deprag air motor and generator:
We also looked at the Deprag air motor and generator combination. After reaching out to Deprag, we found out their model was far out of budget at nearly $20,000. It has 6.7 hp and the unique aspect was the generator was combined with the air motor. The technology is more advanced than we need because a Deprag representative told us that this smallest model is not going to be economical and is for testing purposes. While this technology was too advanced for our scale of the compressed air energy storage model, it shows how air motors and generators may adjust as the compressed air energy storage scales up. The efficiency of the Deprag air motor is 80%. The efficiency of the compressed air energy storage system could therefore change in such a scaling process.
Design Selection Matrix
