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The first of the cooling load factors used in this method is the CLTD, or the Cooling Load Temperature Difference. This factor is used to represent the temperature difference between indoor and outdoor air with the inclusion of the heating effects of solar radiation. [1] [5] The second factor is the CLF, or the cooling load factor.
As the original technical software partner of ACCA, [3] Wrightsoft Corp became the first HVAC software company to create a computerized version of their Manual J, Manual D, and Manual N calculation methods. The Air Conditioning Contractors of America and Wrightsoft released the very first Manual J Load calculation software (Right-J) in February ...
An enhanced electronic version, known as ASHRAE Handbook Online is a web-based version updated annually that contains the four latest volumes as well as extra content such as calculations, demonstration videos, and spreadsheets. The various versions of the Handbook are typically available to the public via technical, and other, libraries and ...
Architects and wind engineers are often asked to look over the design (orientation, site, location and gaps between the surrounding buildings) in the formative planning stage of construction. [10] By using CFD analysis, it is possible to find the suitable information (local wind velocity, convective coefficients, and solar radiation intensity ...
HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR (as in the designation of HACR-rated circuit breakers).
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When the supplier and designer have compatible CAD software or when universal file formats such as IFC, PDF or DWG are utilized, the review can be made from a CD, email or FTP transfer. Comments can be made by the designer in a bold font or changes can be boxed for emphasis.
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