Tài liệu HVAC Systems Design Handbook part 4 pdf
Tài liệu HVAC Systems Design Handbook part 4 pdf
... website.
81
Chapter
4
Design Procedures: Part 2
General Concepts for Equipment Selection
4. 1 Introduction
The purpose of this chapter is to outline the criteria used in the HVAC
system and equipment ... difficult and require a thorough inquiry by the HVAC de-
signer into the process and its needs. Until the process is fully under-
Source: HVAC Systems Design Handbook
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Tài liệu HVAC Systems Design Handbook part 16 pdf
... volume, lbm/ft
3
.
Source: HVAC Systems Design Handbook
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Copyright © 20 04 The McGraw-Hill Companies. ... to the Terms of Use as given at the website.
Engineering Fundamentals: Part 1 44 9
Figure 16.2
Conservation of energy.
16 .4 The Bernoulli Equation
(Law of Conservation of Energy)
Flu...
Tài liệu HVAC Systems Design Handbook part 20 pdf
... 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 ... interference range.
Source: HVAC Systems Design Handbook
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Tài liệu HVAC Systems Design Handbook part 1 pdf
... 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...
Tài liệu HVAC Systems Design Handbook part 15 pptx
... of this definition.
Source: HVAC Systems Design Handbook
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Copyright © 20 04 The McGraw-Hill Companies. ... Use as given at the website.
44 4 Chapter Fifteen
Figure 15.3
Report organization. Note that figures and tables for each part of the report
go behind the text for that part.
technique...
Tài liệu HVAC Systems Design Handbook part 17 pptx
... bottom of the hill.
Source: HVAC Systems Design Handbook
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Copyright © 20 04 The McGraw-Hill Companies. ... degree in temperature. For
HVAC work, the specific heat of water in the liquid state is 1 Btu /
(lb ⅐ ЊF). Water in the solid state (ice) has a specific heat of 0 .48 7 to
0 .46 5 Btu /...
Tài liệu HVAC Systems Design Handbook part 18 docx
... (ЊR) scale:
ЊR ϭ ЊF ϩ 46 0Њ.
Source: HVAC Systems Design Handbook
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Copyright © 20 04 The McGraw-Hill Companies. ... conductances are 4. 00 and 1 .46 , respectively, then the
overall U factor is
1161
ϭϩϩ
U 4. 00 0.93 1 .46
ϭ 0.25 ϩ 6 .45 ϩ 0.68 ϭ 7.38
1
U ϭϭ0.136
7.38
If a temperature diff...
Tài liệu HVAC Systems Design Handbook part 19 doc
... properties of moist
Source: HVAC Systems Design Handbook
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Copyright © 20 04 The McGraw-Hill Companies. ... Conditioning, October 1961, p. 144 .
Engineering Fundamentals: Part 4
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Copyright © 20 04...
Tài liệu HVAC Systems Design Handbook part 21 doc
... 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 ... responsibility
of the architect, but the HVAC designer must be aware of conditions
that might lead to problems, such as mold, which might be aggravated
or alleviated by...
Tài liệu HVAC Systems Design Handbook part 2 ppt
... Fundamentals, p. 8.12.
2. Ibid., p. 8.19.
3. Ibid., Chap. 6.
4. ASHRAE Handbook, 1999 HVAC Applications, Chaps. 34 to 41 .
HVAC Engineering Fundamentals: Part 2
Downloaded from Digital Engineering Library ... level.
2 .4 HVAC Cycles
Figure 2.1 is a schematic representation of an elementary mechanical
cooling cycle. While dehumidification is not an essential part of the
HVAC En...