hvac systems design handbook 5th edition pdf

Tài liệu HVAC Systems Design Handbook part 16 pdf

... nearly every aspect of HVAC sys-tems design. Pumps, fans, coils, heat exchangers, refrigeration sys-tems, process systems, boilers, deaerators, water softeners and treat-ment systems, water supply ... Bloodand catsup are nonnewtonian ﬂuids.Density␳: Mass per unit volume, lbm/ft3.Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... piping and duct systems. It requires attention to differences in elevation for pumping of ‘‘open’’ systems and teaches us to recognize static-pressure concerns in bothclosed and open systems. Static...

Tài liệu HVAC Systems Design Handbook part 20 pdf

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... 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 not generally ... for masking unwanted sound, is ran-dom sound in the speech interference range.Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... design should eliminate these problems.References1. ASHRAE Handbook, 2001 Fundamentals, Chap. 7, ‘‘Sound and Vibration.’’2. ASHRAE Handbook, 1999 HVAC Applications, Chap. 46, ‘‘Sound and Vibration Con-trol.’’Engineering...

Tài liệu HVAC Systems Design Handbook part 1 pdf

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Tài liệu HVAC Systems Design Handbook part 4 pdf

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HVAC Systems Design Handbook part 6

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... ASHRAE Handbook, 2000 HVAC Systems and Applications, Chap. 14, ‘‘Medium- andHigh-Temperature Water-Heating Systems. ’’6. Ingersoll-Rand, Cameron Hydraulic Data, Woodcliff Lake, N.J., 1988. Design ... the Terms of Use as given at the website. Design Procedures: Part 4 1893. ASME, Power Piping Code, ANSI / ASME B31.1-1995.4. ASHRAE Handbook, 2000 HVAC Systems and Applications, Chap. 11, ‘‘District ... installations.In general, in-line pumps are used in small systems or secondary systems, such as freeze prevention loops. Base-mounted pumps are Design Procedures: Part 4Downloaded from Digital Engineering...

HVAC Systems Design Handbook part 8

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... website.223Chapter8 Design Procedures: Part 6Automatic Controls8.1 Introduction HVAC systems are sized to satisfy a set of design conditions, whichare selected to generate a maximum load. Because these design ... properly designed, operated,and maintained automatic control system is accurate and will provideeconomical operation of the HVAC system. Unfortunately, not all con-trol systems are properly designed, ... sourcesSeveral types of energy are used in control systems. Most older HVAC systems use pneumatic devices, with low-pressure compressed air at0to20lb/in2gauge. Many systems are electric, using 24 to 120...

HVAC Systems Design Handbook part 7

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... anotherdiscussion. The HVAC systems designer will recognize plants as po-tential areas of specialty experience as assignments and interest allow.References1. ASHRAE Handbook, 2000 HVAC Systems and Equipment, ... Chap. 14, ‘‘Medium and High TemperatureWater Heating Systems. ’’2. ASHRAE Handbook, 1999 HVAC Applications, Chap. 33, ‘‘Thermal Storage.’’ Design Procedures: Part 5Downloaded from Digital Engineering ... the systems described are given in Figs. 7.17,7.18, and 7.19. These are simple block diagrams to illustrate the con-cepts. Design of complete plants requires the development of a fullyDesign...

HVAC Systems Design Handbook part 9

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... aircraftwhere light weight and simplicity are important. Thermoelectric re-Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... Air Conditioning Engineers,Inc., www.ashrae.org. Reprintedby permission from ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 34, Fig.4.)Sizes range up to as high as 200 tons or more ... Air Conditioning Engineers,Inc., www.ashrae.org. Reprintedby permission from ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 34, Fig.7.)rolling-piston type, the rotor turns on an eccentric...

HVAC Systems Design Handbook part 10

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... been withdrawn but not replaced.)5. ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 6, ‘‘Panel Heatingand Cooling.’’6. ASHRAE Handbook, 1999 HVAC Applications, Chap. 32, ‘‘Solar Energy ... other source, such as a process, an incinerator, or re-frigeration equipmentSource: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... Air Conditioning Engineers, Inc., www.ashrae.org.Reprinted by permission from ASHRAE Handbook, 2000 HVAC Systems and Equip-ment, Chap. 44, Fig. 23.)The coil loop thermosyphon is similar to...

HVAC Systems Design Handbook part 11

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... 30,000 Btu/h ϫϫ ϫϫ35555 ft 0.075 lb 60 min 1059 Btuaϭ 0.0011 lb /lb (11.2)waSource: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... collection hoods and exhaust systems. Laboratoryand industrial fume hoods require large exhaust air quantities. Sev-eral standards cover the design of some types of exhaust systems. 1,211.11 Smoke ... environmental air-handling systems for primary or supple-mentary smoke control is neither simple nor economical. There is alack of good data on the design of adequate smoke control systems, and code...

HVAC Systems Design Handbook part 12

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... 406 Chapter Twelve1. UPS systems may be a useful, even required component of a critical HVAC service and will be included in the HVAC and electric system design. 2. UPS systems themselves create ... of remote origin. The HVAC designer must work closely with the electrical designer to sat-isfy the needs of both disciplines.12.13 SummaryIn building construction, HVAC design is interwoven ... website.397Chapter12Electrical Featuresof HVAC Systems 12.1 IntroductionWhile most HVAC designers will have the support of a competent elec-trical design staff, it is important to understand...

HVAC Systems Design Handbook part 13

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... identified as being ofparamount importance to the relationship between owner and con-Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... Construction Specifications Institute, MasterFormat.4. ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 48, ‘‘Codes andStandards.’’ Design Documentation: Drawings and SpecificationsDownloaded ... as given at the website.411Chapter13 Design Documentation:Drawings and Specifications13.1 Introduction Design documents evolve from and include the designer’s calculations,equipment selections,...

HVAC Systems Design Handbook part 14

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... 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 Downloaded from Digital ... building and its systems. 14.3.3 Observation of operationMany specifications require the HVAC contractor to certify in writingthat the HVAC systems and controls are operating as designed andspecified. ... project designer.14.2 Participation during ConstructionDesigner participation during construction and beyond varies greatlywith design office practice and with the owner’s desires. Some design offices...

Tài liệu HVAC Systems Design Handbook part 15 pptx

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... 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 ... of Use as given at the website.439Chapter15Technical Report Writing15.1 IntroductionAn HVAC designer is almost certain to be faced with the need to writereports. The ability to produce ... Figure 15.2 illustrates a report form sheet which may be used toinclude text, tables, and figures. A design firm may be known to someextent by the quality of its report formatting and presentation.Document...

Tài liệu HVAC Systems Design Handbook part 17 pptx

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... the top of a hill has potentialenergy with respect to the bottom of the hill.Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... knowledgehelps an HVAC designer to identify reality among the often overstatedclaims of overenthusiastic inventors and salespeople. The mathemat-ical relationships of thermodynamics allow the designer ... energy input becomes a beneﬁt.Q ϩ Qevap inCOP ϭϭCOP ϩ 1heat coolQinIn heat pump systems, the system designer should again try to workwith the smallest possible thermal lift to get maximum...

Tài liệu HVAC Systems Design Handbook part 18 docx

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... 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.digitalengineeringlibrary.com)Copyright ... and Air Conditioning Engineers, Inc.,www.ashrae.org. Reprinted by permission from ASHRAE Handbook, 1999 HVAC Ap-plications, Chap. 32, Fig. 3.)A1ϭ face area of smaller surface, ft2T1, T2ϭ ... fundamentals,particularly as they apply to HVAC. For a detailed, rigorous treat-ment, the reader should refer to a good college-level text on heat trans-fer or to the ASHRAE Handbook. 118.2 Heat Transfer...

Tài liệu HVAC Systems Design Handbook part 19 doc

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... very brief. The subject isvery important to the HVAC designer, and further study of Ref. 1 andother sources is recommended. Every set of HVAC design calculationsshould include one or more psychrometric ... water it canhold at a speciﬁed temperature and pressure. The properties of moistSource: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... notuniformly spaced. (Percentage of saturation lines would be uniformlyspaced but are not used in HVAC design. )When any two properties of a moist air sample are known, a statepoint may be plotted...