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Heat pipes are devices, which transfer heat at a minimum temperature difference between evaporating and condensing phase. Operating temperature of heat pipe is determined by the working fluid and vacuum achieved during its production. This paper is focused on the determining the effect of the initial temperature of the ambient air to the performance characteristics of produced heat pipes. In general, the decrease in pressure decreases the boiling liquid. Based on this it can be presumed that achieving a lower temperature during production of heat pipe, the lower vacuum, the boiling point of working fluid while increasing ability of heat transport in various positions.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
44--47
Opis fizyczny
Bibliogr. 10 poz., fot., rys., tab., wykr.
Twórcy
autor
- University of Žilina, Slovakia
autor
- University of Žilina, Slovakia
autor
- University of Žilina, Slovakia
autor
- University of Žilina, Slovakia
Bibliografia
- [1] Hlavačka V., Polášek F., Štulc P., Zbořil V.: Tepelné trubice v elektrotechnice, SNTL, Praha 1990.
- [2] Kaduchová K., Lenhard R., Jandačka J.: Optimization of heat exchanger for indirectly heated water heater, Proc. of Conf. Experimental Fluid Mechanics, 2011, pp. 717-726.
- [3] Kaduchová K., Lenhard R., Jandačka J.: Optimizing of geometrical parameters of indirectly heat water heater, ”Internet Journal of Engineering and Technology“, Vol. 3, no. 2 (2011), pp. 17-22.
- [4] Hužvár J., Kapjor A.: Micro-cogeneration including the conversion of chemical energy of biomass to electric energy and the low potential heat, ”Global Journal of Technology and Optimization”, Vol. 2, No. 2 (2011), pp. 146-152.
- [5] Jandačka J., Kapjor A., Papučík Š., Lenhard R.: Emission and power parameters of combined heat source on wood biomass combustion, ”Annals of Warsaw University of Life Sciences”, No. 71 (2010), pp. 245-249.
- [6] Jandačka J., Holubčík M., Nosek R., Pilát P.: The effect of additives for production of wood pellets, ”Annals of Warsaw University of Life Sciences” - SGGW, No. 71 (2010), pp. 255-260.
- [7] 3M Fluorinert™ Electronic Liquid FC-72 product information, Accessible at: http://multimedia.3m.com/mws/mediawebserver?mwsId=66666UF6EVsSyXTtnxTE5XF6EVtQEVs6EVs6EVs6E666666--&fn=prodinfo_FC72.pdf
- [8] Jandačka J., Holubčík M., Papučík Š., Nosek R.: Combustion of pellets from wheat straw. Acta Montanistica Slovaca, Vol. 17 (4), pp. 283-289
- [9] Čarnogurská M., Příhoda, M., Brestovič, T.: Modelling of nitrogen oxides formation applying dimensional analysis. ”Chemical and Process Engineering”, vol. 32, 4 (2011), pp. 175-184.
- [10] Čarnogurská M. et al.: Verification of pollutant creation model at dendromass combustion. ”Journal of Mechanical Science and Technology”, vol. 26, 12 (2012), pp. 4161-4169.
Uwagi
EN
This work was performed within the frame of project KEGA-064ŽU-4/2012.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-cf84a4df-5c1c-4ac6-9c60-d39f42cfe396