2009 ASHRAE HANDBOOK FUNDAMENTALS (34, 35) Southern Company Services • Chapter 21, Duct Design, has new data for round and rectangular fittings in agreement with the ASHRAE Duct Fitting Database, as well as new content on duct leakage requirements, spiral duct roughness, and flexible The square to round is a common duct fitting that can be found in almost any duct system where rectangular ducting is connected to a tube-axial fan. ASHRAE has assigned the square to round fitting the number SD 4-2. This stands for ASHRAE 2001 Fundamentals Handbook, Duct Design Chapter 34 Are you also searching for Air Duct Design Fundamentals Handbook? Get it only at our library now. Outdoor air intake louvers shall be sized generously to in the current edition of the ASHRAE Fundamentals Handbook Design Fundamentals Handbook Chapter 35. Air Duct Design Fundamentals Handbook eBooks is available in digital format. HVAC Clinics Draft - Not For Distribution Nevada Mechanical Systems Duct Design Page 5 of 33 Figure 4. ASHRAE Standard 55 Load Estimation The method for determining space loads used in this clinic will be based on the Load Temperature Difference/Solar Duct design is a key component of energy efficient HVAC system performance. We encourage engineers, designers, specifiers, and manufacturers of duct system components to get involved at the Society level and contribute to our increase of knowledge and understanding of duct design. The 2005 ASHRAE Handbook—Fundamentals covers basic more than three times as many stations as in the 2001 edition. • Chapter 29, Residential Cooling and Heating Load Calculations, • Chapter 35, Duct Design, includ es new guidance on flexible duct losses, balancing dampers, and louvers. Chapter 34. Compressors (TC 8.1, Positive Displacement Compressors , and TC 8.2, Centrifugal Machines) Composite index to the 2001 Fundamentals, 2002 Refrigeration, 2003 HVAC Applications, and 2004 HVAC Systems and Equipment volumes ASHRAE HANDBOOK COMMITTEE