ASHRAE Journal - February 2010 - 50

Hypocausts were used from the third century B.C. in ancient Europe. Part 2 History of Radiant Heating & Cooling Systems By Robert Bean, Member ASHRAE; Bjarne W. Olesen, Ph.D., Fellow ASHRAE; Kwang Woo Kim, Arch.D., Member ASHRAE Part 1, published in January, covered developments of radiant heating and cooling in Asia. Rebirth in Europe Between the 12th and 17th centuries, rom the third century B.C., ancient Europe developed an underfloor heat- open fires were used in Europe, the Middle East and North America. The ing system called Hypocaustum.1 The system was defined by the furnace Russian Fireplace, the Steinofen and Kachelofen in Europe, and the Tandoor (hypocausis) and a series of flue passages realized under the floor by means of with Tab-khaneh (other spellings include tanur/taba khana) in Afghanistan6,7 lead pillars carrying a slab and then exhausted through cavities in the walls. up to the development of the 18th century Roman oyster farmer, Gaius Sergius and Middle Eastern lands was widespread Orata was commonly thought to have in- with variations of the hypocaust found in About the Authors troduced or developed this type of heating Afghanistan,3 Syria,4 and other countries.5 Robert Bean is a registered engineering technoloWith the exception of late antiquity gist (building construction) with Healthy Heating in during the first century B.C. However, “Hypocausts of the third and second centuries hypocaust type systems in the Middle Calgary, AB, Canada. Bjarne W. Olesen, Ph.D., is B.C. are known, for instance, at Gortys in East, Europe’s use of floor heating went director, professor, International Centre for Indoor Environment and Energy, Technical University of Greece and at Gela, Megara Hyblaea, and into hibernation for many centuries while Denmark in Lyngby, Denmark. Kwang Woo Kim, 2 Additionally, systems in Korea, China and parts of Japan Arch.D., is a professor of architecture at Seoul Syracuse in Magna Graecia.” the use of floor heating in ancient European continually evolved. National University, Seoul, Korea. 50 ASHRAE Journal ashrae.org February 2010

ASHRAE Journal - February 2010

Table of Contents for the Digital Edition of ASHRAE Journal - February 2010

ASHRAE Journal - February 2010
Contents
Commentary
Industry News
Letters
Meetings and Shows
Heat Recovery In Retail Refrigeration
Using CO2 in Supermarkets
Demand-Based Control Of Lab Air Change Rates
Anniversary Feature: Improved Zoning Betters Department Store Air Conditioning
History of Radiant Heating & Cooling Systems, Part 2
Save Chiller Plant Energy With Guideline 22-2008
Building Sciences
ACREX 2010 Show Guide
Washington Report
InfoCenter
People
Technical Topics
Emerging Technologies
Special Products
Products
Classified Advertising
Advertisers Index
ASHRAE Journal - February 2010 - ASHRAE Journal - February 2010
ASHRAE Journal - February 2010 - Cover2
ASHRAE Journal - February 2010 - 1
ASHRAE Journal - February 2010 - 2
ASHRAE Journal - February 2010 - Contents
ASHRAE Journal - February 2010 - 4
ASHRAE Journal - February 2010 - Commentary
ASHRAE Journal - February 2010 - Industry News
ASHRAE Journal - February 2010 - 7
ASHRAE Journal - February 2010 - 8
ASHRAE Journal - February 2010 - 9
ASHRAE Journal - February 2010 - Letters
ASHRAE Journal - February 2010 - 11
ASHRAE Journal - February 2010 - Meetings and Shows
ASHRAE Journal - February 2010 - 13
ASHRAE Journal - February 2010 - Heat Recovery In Retail Refrigeration
ASHRAE Journal - February 2010 - 15
ASHRAE Journal - February 2010 - 16
ASHRAE Journal - February 2010 - 17
ASHRAE Journal - February 2010 - 18
ASHRAE Journal - February 2010 - 19
ASHRAE Journal - February 2010 - 20
ASHRAE Journal - February 2010 - 21
ASHRAE Journal - February 2010 - 22
ASHRAE Journal - February 2010 - 23
ASHRAE Journal - February 2010 - Using CO2 in Supermarkets
ASHRAE Journal - February 2010 - 25
ASHRAE Journal - February 2010 - 26
ASHRAE Journal - February 2010 - 27
ASHRAE Journal - February 2010 - 28
ASHRAE Journal - February 2010 - 29
ASHRAE Journal - February 2010 - Demand-Based Control Of Lab Air Change Rates
ASHRAE Journal - February 2010 - 31
ASHRAE Journal - February 2010 - 32
ASHRAE Journal - February 2010 - Insert1
ASHRAE Journal - February 2010 - Insert2
ASHRAE Journal - February 2010 - 33
ASHRAE Journal - February 2010 - 34
ASHRAE Journal - February 2010 - 35
ASHRAE Journal - February 2010 - 36
ASHRAE Journal - February 2010 - 37
ASHRAE Journal - February 2010 - 38
ASHRAE Journal - February 2010 - 39
ASHRAE Journal - February 2010 - 40
ASHRAE Journal - February 2010 - 41
ASHRAE Journal - February 2010 - Anniversary Feature: Improved Zoning Betters Department Store Air Conditioning
ASHRAE Journal - February 2010 - 43
ASHRAE Journal - February 2010 - 44
ASHRAE Journal - February 2010 - 45
ASHRAE Journal - February 2010 - 46
ASHRAE Journal - February 2010 - 47
ASHRAE Journal - February 2010 - 48
ASHRAE Journal - February 2010 - 49
ASHRAE Journal - February 2010 - History of Radiant Heating & Cooling Systems, Part 2
ASHRAE Journal - February 2010 - 51
ASHRAE Journal - February 2010 - 52
ASHRAE Journal - February 2010 - 53
ASHRAE Journal - February 2010 - 54
ASHRAE Journal - February 2010 - 55
ASHRAE Journal - February 2010 - Save Chiller Plant Energy With Guideline 22-2008
ASHRAE Journal - February 2010 - 57
ASHRAE Journal - February 2010 - 58
ASHRAE Journal - February 2010 - 59
ASHRAE Journal - February 2010 - Building Sciences
ASHRAE Journal - February 2010 - 61
ASHRAE Journal - February 2010 - 62
ASHRAE Journal - February 2010 - 63
ASHRAE Journal - February 2010 - 64
ASHRAE Journal - February 2010 - ACREX 2010 Show Guide
ASHRAE Journal - February 2010 - S2
ASHRAE Journal - February 2010 - S3
ASHRAE Journal - February 2010 - S4
ASHRAE Journal - February 2010 - S5
ASHRAE Journal - February 2010 - S6
ASHRAE Journal - February 2010 - S7
ASHRAE Journal - February 2010 - S8
ASHRAE Journal - February 2010 - S9
ASHRAE Journal - February 2010 - S10
ASHRAE Journal - February 2010 - S11
ASHRAE Journal - February 2010 - S12
ASHRAE Journal - February 2010 - S13
ASHRAE Journal - February 2010 - S14
ASHRAE Journal - February 2010 - S15
ASHRAE Journal - February 2010 - S16
ASHRAE Journal - February 2010 - S17
ASHRAE Journal - February 2010 - S18
ASHRAE Journal - February 2010 - S19
ASHRAE Journal - February 2010 - S20
ASHRAE Journal - February 2010 - S21
ASHRAE Journal - February 2010 - S22
ASHRAE Journal - February 2010 - S23
ASHRAE Journal - February 2010 - S24
ASHRAE Journal - February 2010 - S25
ASHRAE Journal - February 2010 - S26
ASHRAE Journal - February 2010 - S27
ASHRAE Journal - February 2010 - S28
ASHRAE Journal - February 2010 - S29
ASHRAE Journal - February 2010 - S30
ASHRAE Journal - February 2010 - S31
ASHRAE Journal - February 2010 - S32
ASHRAE Journal - February 2010 - Washington Report
ASHRAE Journal - February 2010 - InfoCenter
ASHRAE Journal - February 2010 - 67
ASHRAE Journal - February 2010 - 68
ASHRAE Journal - February 2010 - 69
ASHRAE Journal - February 2010 - 70
ASHRAE Journal - February 2010 - 71
ASHRAE Journal - February 2010 - 72
ASHRAE Journal - February 2010 - People
ASHRAE Journal - February 2010 - Technical Topics
ASHRAE Journal - February 2010 - 75
ASHRAE Journal - February 2010 - 76
ASHRAE Journal - February 2010 - 77
ASHRAE Journal - February 2010 - Emerging Technologies
ASHRAE Journal - February 2010 - 79
ASHRAE Journal - February 2010 - 80
ASHRAE Journal - February 2010 - 81
ASHRAE Journal - February 2010 - 82
ASHRAE Journal - February 2010 - Special Products
ASHRAE Journal - February 2010 - Products
ASHRAE Journal - February 2010 - Classified Advertising
ASHRAE Journal - February 2010 - 86
ASHRAE Journal - February 2010 - 87
ASHRAE Journal - February 2010 - Advertisers Index
ASHRAE Journal - February 2010 - Cover3
ASHRAE Journal - February 2010 - Cover4
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