ASHRAE Journal - April 2009 - 5

ASHRAE 19 50 59–2009 YE A R S JOURNAL COMMENTARY Airtightness in Buildings Tax credits, carbon trading, renewable energy, smart grid, stimulus packages, incentives. There’s a lot that’s new with buildings and building technologies. But, there are also some old issues to be addressed. An example is air leakage, which can undermine the best of designs and technologies. According to one study, air infiltration accounts for 15% of the heating load in all U.S. office buildings. The benefits of reducing leakage also include improved comfort and indoor air quality, and smoke and moisture control. THIS MONTH’S article, Controlling Air Leakage in Tall Buildings, covers the Fred Turner requirements of the U.S. Army Corps of Engineers in the 2008 Airtightness Specification Guide for U.S. Army Corps Buildings. Several coauthors provide specific examples of its application. Author Colin Genge says this detailed testing protocol could be the start of a widespread adoption of an air leakage control standard that achieves higher levels of energy conservation, comfort and safety. “The Army Corps of Engineers is showing a ‘can do’ attitude by getting this job done, and it just happens to coincide with President Obama’s new commitment to energy conservation,” he says. THE ARTICLE IS ONE of three in this issue on tall buildings. Another covers ventilated or double skin façades (DSF). The authors have helped design DSF for some of the world’s tallest buildings, including the Pearl River Tower and Huaneng Tower in China, and the Annenberg Public Policy Center at the University of Pennsylvania. They say this technology is often associated with sustainable buildings because these façades allow greater The Journal Celebrates 50th Year “The ASHRAE Journal is a professional publication written with authority and read with conviction. It belongs to the Society members, is published for them and editorially contains what they want to read.” This is part of an advertisement in the second edition of ASHRAE Journal in April 1959. THE JOURNAL’S 50th Anniversary series continues this month with the 1974 article, Central Chilled Water Distribution Systems Design, by the late Erwin G. Hansen, P Fellow ASHRAE. .E., Hansen was a proponent of primary/secondary chilled water systems and wrote at least six articles for ASHRAE Journal between 1974 and 1976. He was a former vice president with Syska & Hennessy Inc. and was involved in planning, design and construction, and design of many major projects. These included the U.S. Air Force Academy, the Capitol Power Plant, Harvard University and King Saud University in Riyadh, Saudi Arabia. daylighting without compromising the thermal performance of the envelope. Their article covers how DSFs are implemented, potential benefits and risks, and what parameters can be used to optimize their performance. The third is the column by Joe Lstiburek, Ph.D., P .Eng., Fellow ASHRAE, which covers Canada’s “high-rise igloos.” These structures are made from polystyrene insulation filled with concrete. He says one advantage is this material creates “a soundproof padded cell that allows one to rant and rave about the failings of LEED without disturbing the neighbors.” A SHRAE ® Journal | 1791 Tullie Circle NE | Atlanta, GA 30329-2305 | Phone: 404-636-8400 | Fax: 404-321-5478 | A SHRAE Online: www.ashrae.org Publisher W. Stephen Comstock Editor Fred Turner | fturner@ashrae.org Managing Editor Sarah Foster | sfoster@ashrae.org Associate Editors Rebecca Matyasovski | rmatyasovski@ashrae.org Charlotte Tubbs | ctubbs@ashrae.org Christopher Weems | cweems@ashrae.org Copy Editor Jeri Eader | jeader@ashrae.org Publishing Services Manager David Soltis Production Jayne Jackson Tracy Becker Advertising Sales Manager Greg Martin | gmartin@ashrae.org Advertising Production Coordinator Vanessa Johnson | vjohnson@ashrae.org Circulation Specialist David Soltis | dsoltis@ashrae.org ASHRAE OFFICERS President William A. Harrison President-Elect Gordon V.R. Holness, P .E. Treasurer Lynn G. Bellenger, P .E. Vice Presidents Jim Fields Andrew Persily, Ph.D. Vincent Tse Thomas Watson, P .E. Secretary & Executive Vice President Jeff H. Littleton POLICY GROUP 2008 – 09 Chair Publications Committee Julia A. Keen, P .E. Washington Office washdc@ashrae.org Member of the Audit Bureau of Circulation April 2009 ASHRAE Journal 5

ASHRAE Journal - April 2009

Table of Contents for the Digital Edition of ASHRAE Journal - April 2009

ASHRAE Journal - April 2009
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
    Ventilating Façades
    Dissimilar Metals in Heating and AC Piping Systems
    Anniversary Feature: Central Chilled Water Distribution Systems Design
    Total Cost of Ownership for Air-Cooled and Water-Cooled Chiller Systems
    Controlling Air Leakage in Tall Buildings
Building Sciences
Emerging Technologies
Washington Report
Special Products
People
Products
Classified Advertising
Advertising Index
ASHRAE Journal - April 2009 - ASHRAE Journal - April 2009
ASHRAE Journal - April 2009 - Cover2
ASHRAE Journal - April 2009 - 1
ASHRAE Journal - April 2009 - 2
ASHRAE Journal - April 2009 - Contents
ASHRAE Journal - April 2009 - 4
ASHRAE Journal - April 2009 - Commentary
ASHRAE Journal - April 2009 - 6
ASHRAE Journal - April 2009 - Industry News
ASHRAE Journal - April 2009 - 8
ASHRAE Journal - April 2009 - 9
ASHRAE Journal - April 2009 - 10
ASHRAE Journal - April 2009 - 11
ASHRAE Journal - April 2009 - 12
ASHRAE Journal - April 2009 - Letters
ASHRAE Journal - April 2009 - Meetings and Shows
ASHRAE Journal - April 2009 - 15
ASHRAE Journal - April 2009 -     Ventilating Façades
ASHRAE Journal - April 2009 - 17
ASHRAE Journal - April 2009 - 18
ASHRAE Journal - April 2009 - 19
ASHRAE Journal - April 2009 - 20
ASHRAE Journal - April 2009 - 21
ASHRAE Journal - April 2009 - 22
ASHRAE Journal - April 2009 - 23
ASHRAE Journal - April 2009 - 24
ASHRAE Journal - April 2009 - 25
ASHRAE Journal - April 2009 - 26
ASHRAE Journal - April 2009 - 27
ASHRAE Journal - April 2009 -     Dissimilar Metals in Heating and AC Piping Systems
ASHRAE Journal - April 2009 - 29
ASHRAE Journal - April 2009 - 30
ASHRAE Journal - April 2009 - 31
ASHRAE Journal - April 2009 - 32
ASHRAE Journal - April 2009 - 32A
ASHRAE Journal - April 2009 - 32B
ASHRAE Journal - April 2009 - 32C
ASHRAE Journal - April 2009 - 32D
ASHRAE Journal - April 2009 -     Anniversary Feature: Central Chilled Water Distribution Systems Design
ASHRAE Journal - April 2009 - 34
ASHRAE Journal - April 2009 - 35
ASHRAE Journal - April 2009 - 36
ASHRAE Journal - April 2009 - 37
ASHRAE Journal - April 2009 - 38
ASHRAE Journal - April 2009 - 39
ASHRAE Journal - April 2009 - 40
ASHRAE Journal - April 2009 - 41
ASHRAE Journal - April 2009 -     Total Cost of Ownership for Air-Cooled and Water-Cooled Chiller Systems
ASHRAE Journal - April 2009 - 43
ASHRAE Journal - April 2009 - 44
ASHRAE Journal - April 2009 - 45
ASHRAE Journal - April 2009 - 46
ASHRAE Journal - April 2009 - 47
ASHRAE Journal - April 2009 - 48
ASHRAE Journal - April 2009 - 48A
ASHRAE Journal - April 2009 - 48B
ASHRAE Journal - April 2009 - 49
ASHRAE Journal - April 2009 -     Controlling Air Leakage in Tall Buildings
ASHRAE Journal - April 2009 - 51
ASHRAE Journal - April 2009 - 52
ASHRAE Journal - April 2009 - 53
ASHRAE Journal - April 2009 - 54
ASHRAE Journal - April 2009 - 55
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ASHRAE Journal - April 2009 - 57
ASHRAE Journal - April 2009 - 58
ASHRAE Journal - April 2009 - 59
ASHRAE Journal - April 2009 - 60
ASHRAE Journal - April 2009 - 61
ASHRAE Journal - April 2009 - Building Sciences
ASHRAE Journal - April 2009 - 63
ASHRAE Journal - April 2009 - 64
ASHRAE Journal - April 2009 - 65
ASHRAE Journal - April 2009 - 66
ASHRAE Journal - April 2009 - 67
ASHRAE Journal - April 2009 - Emerging Technologies
ASHRAE Journal - April 2009 - 69
ASHRAE Journal - April 2009 - 70
ASHRAE Journal - April 2009 - Washington Report
ASHRAE Journal - April 2009 - Special Products
ASHRAE Journal - April 2009 - 73
ASHRAE Journal - April 2009 - People
ASHRAE Journal - April 2009 - Products
ASHRAE Journal - April 2009 - 76
ASHRAE Journal - April 2009 - Classified Advertising
ASHRAE Journal - April 2009 - 78
ASHRAE Journal - April 2009 - 79
ASHRAE Journal - April 2009 - Advertising Index
ASHRAE Journal - April 2009 - Cover3
ASHRAE Journal - April 2009 - Cover4
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