Используйте приложение APKPure
Историческую версию HVAC Pipe Calculator можно получить на Android
Самая удобная труба проклейки и падение давления Расчет App.
This Application has been developed by Smart Apps Genius group. It is one of the most convenient pipe sizing and pressure drop calculation App for a wide range of engineers such as HVAC, Mechanical and Chemical.
Pressure drop is calculated based on Darcy-Weisbach equation and Colebrook formula.