Лицензионный софт и
ключи активации
ключи активации
Успешно продаем софт более 10 лет
: A free version providing a subset of the 240+ fittings for quick field checks.
ΔP=C×(ρ×V22)cap delta cap P equals cap C cross open paren the fraction with numerator rho cross cap V squared and denominator 2 end-fraction close paren ΔPcap delta cap P : Total pressure loss (typically in Pa or in. wc). : Loss coefficient from the database. : Air density (standard air is approximately : Air velocity. ashrae duct fitting database 2016