Engineering Tools
Calculation tools that show their working. Quick verifications and preliminary sizing, in the browser, free and without registration.
Flare systems
API 521Flare stack height
Preliminary stack height from the radiation criterion, with every intermediate result and the relation used shown alongside.
Open the toolPiping
ASME B31.3Pipe wall thickness
Wall thickness under internal pressure, carried through allowances and mill tolerance to the nominal thickness to order.
Open the toolHeat transfer equipment
API 661Air cooler sizing
Air flow, plot area, number of fans and absorbed power of an air cooled heat exchanger, with altitude and draft correction.
Open the toolFlare systems
API 521Warning light radiation shield
How much of the purge flame an aircraft warning light sees past its shield, and the radiation that reaches it.
Open the toolThese are screening calculations, not verifications. They do not replace a design report and carry no warranty.