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ICHMT DIGITAL LIBRARY ONLINE

ISSN 961-91393-0-5

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Year 2000

Volume 2 - Thermal Sciences 2000
Proceedings of the International Thermal Science Seminar Bled, Slovenia, June 11 – 14, 2000

200 pages

Volume price - $130.00

ROLE OF THE HEAT-EXCHANGERS IN THE FACTOR 4 ENERGY POLICY

Peter Novak
Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6 Ljubljana, 1000, Slovenia

ABSTRACT

The fact that the concentration of carbon dioxide is increasing steadily forces us to reconsider the ways in which we exploit fossil fuels. Current carbon dioxide emissions should be reduced by factor two. In case we don't take any actions to reduce emissions now, they will double in the future, due to the increase of energy use from the growing Earth's population. Therefore, we will have to deal with an emission reduction factor of four, merely to stabilize the Earth's climate.
It is possible to reduce primary energy needs for 50 - 75% by introducing sustainable energy system and by increasing efficiency at energy conversion and use. Heat exchangers will play an important role in this respect. In this paper some ideas are presented about how to attain the desired reduction of energy use while at the same time preserving the current level of living comfort and transportation using high efficiency heat exchangers.