It is customisable, with both SI (metric) and imperial units supported, plus the target velocity and pressure drop are able to be configured to suit your requirements. The app supports sizing of oval and circular HVAC ductwork, as well as the space efficient rectangular duct type most often used in modern construction. Sizing of flexible HVAC ductwork is also possible..
For its engineering calculations, Rapid HVAC Duct Sizing uses a hybrid of the equal friction method and constant velocity methods, selecting for an equal friction but with a set maximum velocity to avoid acoustic issues. It calculates the friction factor based on the preferred methods of Trane, Carrier and ASHRAE - by iteratively solving the Colebrook equation for the friction factor based on air flow. Rapid HVAC Duct Sizing then applies this friction factor to determine the pressure drop. Through the use of hydraulic diameters, oval and circular duct as well as rectangular duct sizing can be done. The velocity is simply calculated based on the air flow and sizing of the duct. The app compares the velocity and pressure drops calculated to determine the optimal size meeting the friction pressure drop as well as maximum velocity requirements.
Despite the robust engineering calculations being performed, this tool is suitable for use by anyone. Mechanical consulting engineers use it to save time sizing, ventilation, heating and cooling ducts, especially when estimating a new construction project. It is great for heating and air conditioning installers checking the sizing of their ventilation ducts. Mechanical contractors can make changes to duct sizing on site without needing to call in a consulting engineer. Architects find it useful for ceiling space sizing, without needing to call in the building services specialists. Builders can use it to scrutinise their heating and air conditioning contractors engineering and make sure they aren't taking up more space in their construction than required. Building owners can check on the construction work being performed to make sure their ventilation, heating and cooling systems will work properly.
This paid version has none of the ads and limitations of the free version, making it faster and more flexible.
Get it done right and fast with Rapid HVAC Duct Sizing.
Feature Overview:
• Sizing of HVAC ductwork using the equal friction (pressure drop) method and a maximum velocity using engineering calculations per Carrier, Trane and ASHRAE
• Rectangular duct, oval duct or circular duct can be selected to suit construction requirements
• 3 construction industry standard duct sizing criteria (sets of pressure drop and velocity requirements) included, plus these can be modified to suit the engineering requirements of your project
• For oval and circular duct, a fourth engineering criteria for flexible duct is available, which also changes the roughness factor so that friction pressure drop calculations are correct
• SI Metric and Imperial units are both included
• Quick and simple to use - enter the air flow with the keypad then spin the wheel to set the duct height. Change between pressure drop and velocity sizing engineering criteria sets with the press of a button.
• Calculation results have been triple checked against the ASHRAE handbook.
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| Downloads: 259 | ||||
| Updated At: 2024-04-22 13:40:22 | ||||
| Publisher: Sipols Software | ||||
| Operating System: Android | ||||
| License Type: Free Trial |