Engineered Systems - December 2008 - (Page 27) Lakefront Library FIGURE 1. The radiant cooling system used in the ceiling at Klarchek Information Commons was designed to meet 60% of the sensible cooliong load with approximately 4 W/sq ft of cooling power at 80% ceiling coverage. through CFD modeling that a negative pressure would be created at the top of the glass stack to enhance the chimney effect and naturally ventilate this space, regardless of wind direction NATURAL VENTILATION With the building located within a green campus environment and immediately adjacent to the lake, this project was an ideal candidate to take full advantage of nature whenever possible to create indoor comfort. To accomplish this, automatically controlled windows were used on the east façade, as well as on the inner windows on the west double façade (Figure 2). These windows, in conjunction with the motorized awning windows at the top of the glass stack, allows for exceedingly effective natural ventilation throughout the open areas. This effectiveness is achieved with the combination of the negative pressure created by the thermal buoyancy of warm air in the west side interstitial space as well as the effect of the wind blowing across the top of the glass stack. This draws air through the inner west side windows, across the open areas, from the windows on the lakeside of the building to the east. Furthermore, with the inclusion of massive concrete ceilings, the night’s “coolness” could be harvested to aid in conditioning the space on the following day. It was predicted through modeling that approximately one-third of the occupied hours of the year, the building would be conditioned naturally. RADIANT CEILINGS Radiant heating technologies have long been used in the United States, but only recently Duct Smoke Detector Won’t Fit? FIGURE 2. Computational flow dynamics was used to design Klarchek Information Commons at Loyola University Chicago. Input 217 at www.esmagazine.com/instantproductinfo w w w. esmag a zin e. c o m 27 http://www.esmagazine.com/instantproductinfo http://www.esmagazine.com
Table of Contents Feed for the Digital Edition of Engineered Systems - December 2008 Engineered Systems - December 2008 Contents Editor's Note HVAC Challenge Back2Basics Case In Point Commissioning Building Automation HVACR Designer Tips Applications Checklist Lakefront Library: Radiant Systems Meet Natural Ventilation Before (And After) The Flood Basics For Refrigerant Chillers Wire-To-Shaft Efficiency For HVAC Pumps Products Glossary Classifieds Advertiser Index Tomorrow’s Environment Engineered Systems - December 2008 Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page Cover1) Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page Cover2) Engineered Systems - December 2008 - Engineered Systems - December 2008 (Page 3) Engineered Systems - December 2008 - Contents (Page 4) Engineered Systems - December 2008 - Contents (Page 5) Engineered Systems - December 2008 - Contents (Page 6) Engineered Systems - December 2008 - Contents (Page 7) Engineered Systems - December 2008 - Editor's Note (Page 8) Engineered Systems - December 2008 - Editor's Note (Page 9) Engineered Systems - December 2008 - HVAC Challenge (Page 10) Engineered Systems - December 2008 - HVAC Challenge (Page 11) Engineered Systems - December 2008 - Back2Basics (Page 12) Engineered Systems - December 2008 - Back2Basics (Page 13) Engineered Systems - December 2008 - Case In Point (Page 14) Engineered Systems - December 2008 - Case In Point (Page 15) Engineered Systems - December 2008 - Case In Point (Page 16) Engineered Systems - December 2008 - Case In Point (Page 17) Engineered Systems - December 2008 - Commissioning (Page 18) Engineered Systems - December 2008 - Commissioning (Page 19) Engineered Systems - December 2008 - Building Automation (Page 20) Engineered Systems - December 2008 - Building Automation (Page 21) Engineered Systems - December 2008 - HVACR Designer Tips (Page 22) Engineered Systems - December 2008 - HVACR Designer Tips (Page 23) Engineered Systems - December 2008 - Applications Checklist (Page 24) Engineered Systems - December 2008 - Applications Checklist (Page 25) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 26) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 27) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 28) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 29) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 30) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 31) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 32) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 33) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 34) Engineered Systems - December 2008 - Lakefront Library: Radiant Systems Meet Natural Ventilation (Page 35) Engineered Systems - December 2008 - Before (And After) The Flood (Page 36) Engineered Systems - December 2008 - Before (And After) The Flood (Page 37) Engineered Systems - December 2008 - Before (And After) The Flood (Page 38) Engineered Systems - December 2008 - Before (And After) The Flood (Page 39) Engineered Systems - December 2008 - Before (And After) The Flood (Page 40) Engineered Systems - December 2008 - Before (And After) The Flood (Page 41) Engineered Systems - December 2008 - Before (And After) The Flood (Page 42) Engineered Systems - December 2008 - Before (And After) The Flood (Page 43) Engineered Systems - December 2008 - Before (And After) The Flood (Page 44) Engineered Systems - December 2008 - Before (And After) The Flood (Page 45) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 46) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 47) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 48) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 49) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 50) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 51) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 52) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 53) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 54) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 55) Engineered Systems - December 2008 - Basics For Refrigerant Chillers (Page 56) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 57) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 58) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 59) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 60) Engineered Systems - December 2008 - Wire-To-Shaft Efficiency For HVAC Pumps (Page 61) Engineered Systems - December 2008 - Products (Page 62) Engineered Systems - December 2008 - Products (Page 63) Engineered Systems - December 2008 - Glossary (Page 64) Engineered Systems - December 2008 - Classifieds (Page 65) Engineered Systems - December 2008 - Classifieds (Page 66) Engineered Systems - December 2008 - Classifieds (Page 67) Engineered Systems - December 2008 - Classifieds (Page 68) Engineered Systems - December 2008 - Advertiser Index (Page 69) Engineered Systems - December 2008 - Tomorrow’s Environment (Page 70) Engineered Systems - December 2008 - Tomorrow’s Environment (Page Cover3) Engineered Systems - December 2008 - Tomorrow’s Environment (Page Cover4)
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