ASHRAE Journal - September 2019 - 2

CONTENTS VOL. 61, NO. 9, SEPTEMBER 2019

STANDING COLUMNS
14

62 ENGINEER'S NOTEBOOK

Selecting and Specifying
Pipe Flow Meters
By Stephen W. Duda, P.E.
70 PRODUCTIVITY - ASHRAE
┬ęBRUCE DAMONTE

54

34

Do Indoor CO2 Levels
Directly Affect Perceived
Air Quality, Health, or Work
Performance?

FEATURES

14

New Guidance for Residential
Air Cleaners

By William Fisk; Pawel Wargocki, Ph.D.;
Xiaojing Zhang
78 PRODUCTIVITY - CIBSE

Identifying the Knowledge
Gaps for IEQ

By Lew Harriman; Brent Stephens, Ph.D,; Terry Brennan

24

Pressure Sustaining Valves

By Julie Godefroy
81 IEQ APPLICATIONS

Opportunities for Connected
Devices to Improve IEQ

By Hui Chen, P.E.; James Riley; Amy Chen; Les Williams; Wyatt Hahn;
Robert Henry, P.E.

34

How HVAC&R Changed the World
By Bernard A. Nagengast

By Chuan He, Ph.D.; Carolyn B. Swope;
Jie Zhao, Ph.D.
84 REFRIGERATION APPLICATIONS

Refrigeration on a Budget
By Andy Pearson, Ph.D., C.Eng.

50 Achieving Resiliency in the Cold Chain:

Strategies to Maintain Food Safety
By Mary Kate McGowan, Associate Editor, News

2019 ASHRAE TECHNOLOGY AWARDS

54

Renovation Extends
Building Life 100 Years
By Eric Solrain, P.E.; Tyler Bradshaw, P.E.; Marsha Maytum; Gwen Fuertes

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ASHRAE Journal - September 2019

Table of Contents for the Digital Edition of ASHRAE Journal - September 2019

Contents
ASHRAE Journal - September 2019 - Intro
ASHRAE Journal - September 2019 - Cover1
ASHRAE Journal - September 2019 - Cover2
ASHRAE Journal - September 2019 - 1
ASHRAE Journal - September 2019 - Contents
ASHRAE Journal - September 2019 - 3
ASHRAE Journal - September 2019 - 4
ASHRAE Journal - September 2019 - 5
ASHRAE Journal - September 2019 - 6
ASHRAE Journal - September 2019 - 7
ASHRAE Journal - September 2019 - 8
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ASHRAE Journal - September 2019 - Cover3
ASHRAE Journal - September 2019 - Cover4
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