Recent Blogs
Foot Bellows: Pumping Motion and Wedge-Volume Calculator | FIRGELLI
Explore pedal-operated bellows and one-way valves. Compare ideal wedge geometry and a fixed scaled volume, with actual air delivery kept separate.
Air Pump Mechanism Explained: How It Works, Parts, Diagram, Volumetric Efficiency & Uses
See how clearance-gas re-expansion affects a reciprocating air pump. Compare inlet-referenced delivery using an isothermal model, clearance ratio and absolute pressure ratio.
Independent Jet Condenser Pump: Volume Balance Calculator | FIRGELLI
Compare liquid and suction-state gas flow with theoretical piston displacement. Enter condensed mass, water ratio, gas flow, efficiency and stroke rate.