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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN Print: 2150-3621
ISSN Online: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2016006740
pages 203-236

ENERGY AND COMFORT. ANALYSIS OF INTEGRATED "LOW-EX" SOLUTIONS

Fco. Javier Rey
Department of Thermal Engineering and Fluid Mechanics, University of Valladolid, Valladolid, Spain
Jon Zubiaurre
IDOM Bilbao. Engineering, Architecture and Consulting, Spain
Blas Beristain
IDOM Bilbao. Engineering, Architecture and Consulting, Spain
David Irusta
IDOM Bilbao. Engineering, Architecture and Consulting, Spain

ABSTRACT

The climate control solutions encompassed in the "Low-Ex", or low exergy, concept have a promising future in achieving efficient facilities aimed at meeting the objectives of Directive 2010/31/UE. These systems make use of heat transfer fluids at temperatures close to the indoor environment and limit the waste consumption of the systems, such as pumps and fans. Moreover this technology allows a very interesting combination with renewable energy sources. In addition to this, the optimization of energy consumption in buildings depends largely on the degree of user comfort. In this context, the discomfort, generated by unfavorable radiant mean temperatures, conditions the use of the thermostats set point. Low exergy systems, which use moderate thermal levels and encourage radiant exchange, may offset these situations naturally optimizing the temperature set point.


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