ASHRAE

ASHRAE standards establish consensus for test methods and performance criteria. These include voluntary consensus standards for Method of Measurement or Test, Standard Design and Standard Practice. Consensus standards define minimum values or acceptable performance. ASHRAE is accredited by the American National Standards Institute (ANSI) and follows ANSI's requirements for due process and standards development.
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STANDARD published 2014 by ASHRAE Product Details Published: 2014 Number of Pages:14 File Size: 1 file , 1.1 MB Product Code(s): D-86833, 86833 Full Description Guideline 16 provides the basis for selecting and sizing control dampers (outdoor, return, and relief) commonly found in constant-air-volume (CAV) and variable-air-volume (VAV) air-handling units (AHU) and systems with air-side economizers. The 2014 edition of the guideline includes updated references and minor editorial changes....
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STANDARD published 2014 by ASHRAE Product Details Published: 2014 Number of Pages:26 File Size: 1 file , 2.1 MB Product Code(s): D-86827, 86827 Full Description Guideline 2 provides guidance for planning, analyzing data, and reporting the uncertainty of experiments. Appropriate terms are defined and statistically based procedures and formulae are recommended for evaluating experimental data related to HVAC&R. Numerous examples are provided to illustrate analysis of experimental data. Although...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Kate Allen, P.E. Product Details Published: 2014 Number of Pages:5 File Size: 1 file , 270 KB Product Code(s): D-AJ14Feb01 Full Description A special report on engineering salaries, and how they are being affected by the economy answers these questions: Have A/E firms recovered from the downturn? Have compensation levels recovered from years of cuts, freezes and minimal bonuses? How have salaries changed for the most common job titles?...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Dave McFarlane; Thomas Farmer, P.E. Product Details Published: 2014 Number of Pages:6 File Size: 1 file , 90 KB Product Code(s): D-AJ14Feb04 Full Description During design phase commissioning, the commissioning authority carefully ensures that every element of the Owners Project Requirement (OPR) document is accounted for in the building’s schematic design, which is the first stage of the design process. This article is part of a series...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Andy Pearson, Ph.D., C.Eng. Product Details Published: 2014 Number of Pages:1 File Size: 1 file , 72 KB Product Code(s): D-AJ14MarRA Full Description Andy discusses water as a refrigerant. With the ASHRAE designation R-718, water has been discussed for many years as a very promising alternative to traditional refrigerants for water chillers and ice makers. Yet, it has not broken through into mainstream applications. Citation: ASHRAE Journal,...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Andy Pearson, Ph.D., C.Eng. Product Details Published: 2014 Number of Pages:1 File Size: 1 file , 58 KB Product Code(s): D-AJ14Feb08 Full Description As we work through the challenges of global population growth, the increase of mega-cities and shortages of fresh water and electrical power, it is imperative that we pay close attention to the science of refrigeration. Pearson discusses some of the changes necessary to get the cold chain...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Yuexia Sun, Ph.D.; Jan Sundell, M.D. Product Details Published: 2014 Number of Pages:5 File Size: 1 file , 170 KB Product Code(s): D-AJ14Feb07 Full Description The authors discuss the results of studies on the spread of the common cold in crowded living situations. They found that ventilation rate per person is important when considering the spread of airborne infectious diseases in rooms where people spend a lot of time. Minimum...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Dan Int-Hout Product Details Published: 2014 Number of Pages:2 File Size: 1 file , 60 KB Product Code(s): D-AJ14Feb05 Full Description The author provides rules of thumbs to help design engineers to successfully design a diffuser layout and provide air quantities and temperatures that are not only able to meet thermal loads, but also deliver the comfort requirements and ventilation needs of lobbies and atriums. Citation: ASHRAE Journal,...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Steven T. Taylor, P.E. Product Details Published: 2014 Number of Pages:5 File Size: 1 file , 210 KB Product Code(s): D-AJ14FebEN Full Description Restroom exhaust is a seemingly trivial issue that isn’t. One common mistake, the author says, is to base the ventilation rate on the size of the space instead of the source strength of the odors. Citation: ASHRAE Journal, vol. 56, no. 2, February 2014
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Kent W. Peterson, P.E. Product Details Published: 2014 Number of Pages:5 File Size: 1 file , 840 KB Product Code(s): D-AJ14Jan05 Full Description The methods in which buildings, air handlers and terminal devices are designed to work with chilled water systems frequently have the greatest impact in optimizing chiller water system (Delta)T. This column provides tips to help designers and chilled water plant operators improve chilled water system...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Stephen W. Duda, P.E. Product Details Published: 2014 Number of Pages:5 File Size: 1 file , 74 KB Product Code(s): D-AJ14MarEN Full Description Condenser water flow rate rules-of-thumb are based on old, outdated assumptions for typical chiller efficiency, says author Stephen Duda, P.E., and should be modified to meet contemporary reality. The new reality is not a nice, simple round number anymore; however, with spreadsheets and fast computing...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Javad Khazaii, Ph.D., P.E. Product Details Published: 2014 Number of Pages:2 File Size: 1 file , 39 KB Product Code(s): D-AJ14JanEM Full Description Performing a probabilistic energy modeling process instead of a deterministic one for an ASHRAE/IES Standard 90.1, Appendix G, design building means that the first step must be to develop a tolerance margin library for all the construction material that would be used in constructing a building and...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By By Jared A. Higgins, P.E. Product Details Published: 2014 Number of Pages:2 File Size: 1 file , 56 KB Product Code(s): D-AJ14Feb09 Full Description Higgins discusses changes to 90.1's Normative Appendix G since the 2010 edition. Areas of change include baseline vertical fenestration area, skylight modeling requirements, distribution transformers, baseline service hot water systems, baseline HVAC systems, modeling building envelope...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Javad Khazaii, Ph.D., P.E. Product Details Published: 2014 Number of Pages:1 File Size: 1 file , 46 KB Product Code(s): D-AJ14MarEM Full Description Building an energy-efficient building often begins with an energy (cost) comparison between a design building and an imaginary baseline building as defined in ASHRAE/IES Standard 90.1, Appendix G. Even though this method has contributed to higher performance of buildings and systems, the author...
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Mick Schwedler, P.E. Product Details Published: 2014 Number of Pages:7 File Size: 1 file , 220 KB Product Code(s): D-AJ14Jan01 Full Description To improve system efficiency and accurately predict the savings provided by water economizers, it is imperative to understand cooling tower performance, and not rely on rules of thumb. It explores the relationship of cooling tower approach temperature, heat rejection load, and wet-bulb temperature....
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JOURNAL ARTICLE published 2014 by ASHRAE Written By Joseph W. Lstiburek, Ph.D., P.Eng. Product Details Published: 2014 Number of Pages:6 File Size: 1 file , 690 KB Product Code(s): D-AJ14MarBS Full Description Joe says he has been lucky enough career-wise to do well enough that talking about he can talk about the stupid he has done in his career. And, he says, more importantly, maybe others will learn from his mistakes and not make them. And, even more importantly, maybe others will talk about...
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Standard 93-2010 (RA 2014) -- Methods of Testing to Determine the Thermal Performance of Solar Collectors (ANSI Approved) STANDARD by ASHRAE, 2014 Product Details Published: 2014 ANSI Approved Number of Pages:42 File Size: 1 file , 3 MB Product Code(s): D-86250, 86250 Full Description Standard 93 provides test methods for determining the thermal performance of solar energy collectors that use single-phase fluids and have no significant internal energy storage. The standard applies to...
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Standard 40-2014 -- Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved) STANDARD by ASHRAE, 2014 Product Details Published: 2014 ANSI Approved Number of Pages:28 File Size: 1 file , 1.3 MB Redline File Size: 2 files , 22 MB Product Code(s): D-86112, 86112 Full Description ASHRAE Standard 40 provides test methods for determining the heating and cooling output capacities and energy inputs of unitary air-conditioning and heat pump equipment...
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Standard 35-2014 -- Method of Testing Desiccants for Refrigerant Drying (ANSI Approved) STANDARD by ASHRAE, 2014 Product Details Published: 2014 ANSI Approved Number of Pages:8 File Size: 1 file , 590 KB Redline File Size: 2 files , 3.8 MB Product Code(s): D-86079, 86079 Full Description Standard 35 establishes a method of testing desiccants for use in refrigerant drying. The principle of this standard is to keep a desiccant of known water content in contact with the desired refrigerant until...
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Standard 22-2014 -- Methods of Testing for Rating Liquid-Cooled Refrigerant Condensers (ANSI Approved) STANDARD by ASHRAE, 2014 Product Details Published: 2014 ANSI Approved Number of Pages:16 File Size: 1 file , 2 MB Redline File Size: 2 files , 6.1 MB Product Code(s): D-86040, 86040 Full Description ASHRAE Standard 22 prescribes methods for testing liquid-cooled refrigerant condensers. It lists and defines terms suggested for these types of condensers and establishes testing methods that may...