Tài liệu HVAC Systems Design Handbook part 5 docx

... Width Height 33 33 36 29 41 27 44 25 48 24 50 22 53 21 55 20 60 20 63 18 68 17 80 16 90 15 98 14 104 13 38 Width Height 35 35 39 31 44 29 47 27 50 25 54 24 58 23 61 22 63 21 67 19 72 18 85 17 96 16 1 05 15 112 14 SOURCE : ... Width Height 31 31 35 28 39 26 42 24 44 22 47 21 50 20 52 19 57 19 60 17 64 16 75 15 84 14 91 13 96 12 35 Width Height 32 32 36 29 39...

Ngày tải lên: 26/01/2014, 14:20

... 459 Chapter 18 Engineering Fundamentals: Part 3 Heat Transfer 18.1 Introduction This chapter presents a basic overview of heat transfer fundamentals, particularly as they apply to HVAC. ... is used, or for absolute temperatures the Rankine (ЊR) scale: ЊR ϭ ЊF ϩ 460Њ. Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineer...

Ngày tải lên: 15/12/2013, 03:15

... mostly diffuse: Summer: 45 75 Btu/h/ft 2 Winter: 10–30 Btu/h/ft 2 Ⅲ East and west walls—all north latitudes fall in a range of 2 15 2 45 Btu/h/ft 2 Design Procedures: Part 1 Downloaded from Digital ... subject to the Terms of Use as given at the website. Design Procedures: Part 1 53 Figure 3.6 Heat gain through fenestration. exposing a marginal HVAC design to criticism. Sealed...

Ngày tải lên: 26/01/2014, 14:20

... 439 Chapter 15 Technical Report Writing 15. 1 Introduction An HVAC designer is almost certain to be faced with the need to write reports. ... value of the final report will re- late strongly to the clarity of this definition. Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright ... the website....

Ngày tải lên: 15/12/2013, 03:15

... Blood and catsup are nonnewtonian fluids. Density ␳ : Mass per unit volume, lbm/ft 3 . Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright ... nearly every aspect of HVAC sys- tems design. Pumps, fans, coils, heat exchangers, refrigeration sys- tems, process systems, boilers, deaerators, water...

Ngày tải lên: 15/12/2013, 03:15

... T HL For a building chiller evaporating at 40ЊF (50 0ЊR) and condensing at 100ЊF (56 0ЊR), the maximum COP would be 50 0 COP ϭϭ8.3 (17.2) max 56 0 Ϫ 50 0 The actual COP of these machines is on the order ... the top of a hill has potential energy with respect to the bottom of the hill. Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (ww...

Ngày tải lên: 15/12/2013, 03:15

... water it can hold at a specified temperature and pressure. The properties of moist Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright ... website. Engineering Fundamentals: Part 4 479 Figure 19 .5 Cooling and dehumidifying. 19 .5. 3 Cooling and dehumidifying Most refrigerated cooling processes...

Ngày tải lên: 15/12/2013, 03:15

... 4 85 Chapter 20 Engineering Fundamentals: Part 5 Sound and Vibration 20.1 Introduction The HVAC designer cannot neglect consideration of the sound and vibration generated by HVAC equipment. ... from ASHRAE Hand- book, 1987 HVAC Systems and Applications; subsequent edi- tions are similar, i.e., 2001 Fundamentals, Chap. 7, Table 11. of the HVAC systems, the HVAC designer is no...

Ngày tải lên: 15/12/2013, 03:15

... gaseous, particulate, bacterial and allergen contaminants; as well as air movement within occupied spaces in order to provide a comfortable and healthy environment. Source: HVAC Systems Design Handbook Downloaded ... given at the website. Indoor Air Quality 50 3 primary responsibility resides with the designer. This book has dis- cussed all of the facets of designing a good HVAC sy...

Ngày tải lên: 15/12/2013, 03:15

... objective. What is the end result desired? For HVAC the objective usually is to provide an HVAC system which will control Source: HVAC Systems Design Handbook Downloaded from Digital Engineering ... impact on the design of HVAC systems. Particular codes are sufficiently diverse in their adoption and im- plementation that it is unwise for this book to list any specifics. The H...

Ngày tải lên: 26/01/2014, 14:20