Recent Blogs
Inlet Valve: Area and Velocity Index Calculator | FIRGELLI
Compare a nominal continuity velocity from entered piston area, speed, flow coefficient and curtain area. The reference ratio does not predict choking or engine power.
Poppet Valve: Prescribed Lift and Curtain-Area Geometry
Poppet valve mechanism explained — how the disc-and-seat sealing geometry controls flow in engines, hydraulics, and pneumatics. Sizing formula and worked example.