HVAC Systems Design Handbook part 13

... 411 Chapter 13 Design Documentation: Drawings and Specifications 13. 1 Introduction Design documents evolve from and include the designer’s calculations, equipment selections, ... identified as being of paramount importance to the relationship between owner and con- Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineer...

Ngày tải lên: 07/11/2013, 19:15

... the HVAC designer is enthalpy, particularly the enthalpy of evaporation, or the latent heat of vaporization h fg . This is the amount of heat, in Btu per pound, which Design Procedures: Part ... pressures allow smaller piping but create piping expansion and support problems. In- Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.d...

Ngày tải lên: 17/10/2013, 22:15

... Chapter 8 Design Procedures: Part 6 Automatic Controls 8.1 Introduction HVAC systems are sized to satisfy a set of design conditions, which are selected to generate a maximum load. Because these design ... properly designed, operated, and maintained automatic control system is accurate and will provide economical operation of the HVAC system. Unfortunately, not all con- trol sy...

Ngày tải lên: 20/10/2013, 16:15

... Design Procedures: Part 5 Central Plants 7.1 Introduction The design and construction of central plants for heating and cooling is one of the most challenging and interesting aspects of the HVAC ... plant, traffic, noise, and emis- sions from the more densely populated areas. Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.dig...

Ngày tải lên: 20/10/2013, 16:15

... aircraft where light weight and simplicity are important. Thermoelectric re- Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) ... Air Conditioning Engineers, Inc., www.ashrae.org. Reprinted by permission from ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 34, Fig. 4.) Sizes range up to as h...

Ngày tải lên: 24/10/2013, 15:15

... Equipment: Part 2 Heating 10.1 Introduction Heating is the first word in the acronym HVAC. It is the most impor- tant part because without heating mankind would have difficulty in surviving. Proper design ... other source, such as a process, an incinerator, or re- frigeration equipment Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill...

Ngày tải lên: 24/10/2013, 15:15

... 30,000 Btu/h ϫϫ ϫϫ 3 5555 ft 0.075 lb 60 min 1059 Btu a ϭ 0.0011 lb /lb (11.2) wa Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) ... disadvantages as the multizone AHU. Many of the older systems installed in the 1950s and 1960s were designed with high-velocity/high-pressure duct systems to minimize...

Ngày tải lên: 28/10/2013, 22:15

... of remote origin. The HVAC designer must work closely with the electrical designer to sat- isfy the needs of both disciplines. 12 .13 Summary In building construction, HVAC design is interwoven ... Features of HVAC Systems 405 detection systems go into alarm, the fan systems must turn off. Fur- ther sophistication gets into smoke control in buildings, a separate topic by itself...

Ngày tải lên: 07/11/2013, 19:15

... project designer. 14.2 Participation during Construction Designer participation during construction and beyond varies greatly with design office practice and with the owner’s desires. Some design ... during construction, relieving the design office of any possible in- volvement, except to clarify a conflict in documents or a design error. Source: HVAC Systems Design Handbook Down...

Ngày tải lên: 07/11/2013, 19:15

... 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 ... 439 Chapter 15 Technical Report Writing 15.1 Introduction An HVAC designer is almost certain to be faced with the need to write reports. The ability to produc...

Ngày tải lên: 15/12/2013, 03:15