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Description
  • Tepelná účinnost rotačních regeneračních výměníků tepla je ovlivněna rozdíly tlaku na čelncíh plochách rotoru. Proudy vzduchuodváděného a přiváděného venkovního jsou oddělena obvodovými a radiálními těsnícími lištami na ploše rotoru, které nejsou dokonale těsné. Pronikání vzduchu těmito netěsnostmi je doprovázeno přenosem příměsí a tepla. které ovlivňuje účinnost zpětného získávání tepla. V příspěvku jsou odvozeny tlakové rozdíly, závislosti průtoku netěstnostmi na tlakových rozdílech, na základě laboratorních a provozních měření. Diskutována je problematická aplikace normy EN 308/1998 pro tesnování a hodnocení výměníků tepla a možnost jejího zlepšení. (cs)
  • Thermal effectiveness of rotary heat exchangers is dependent on pressure differences on face surfaces of the rotor. The air passes of extracted indoor and supply outdoor air flows are seperated by perimetral and radial tighteningstrips on the rotor surface, which are not perfect tight. Penetration of air flow (leakage) through those untightness are connected with transfer of contaminants and by the heat, which influents the effectiveness of heat recovery. In the article are derived the pressure differences, dependence of leakage air flow value on pressure differences, after laboratory and in the field measurements. Discussed are the problems with application of standard EN 308/1998 for testing and rating of heat exchangers and the opportunity for it's improvements.
  • Thermal effectiveness of rotary heat exchangers is dependent on pressure differences on face surfaces of the rotor. The air passes of extracted indoor and supply outdoor air flows are seperated by perimetral and radial tighteningstrips on the rotor surface, which are not perfect tight. Penetration of air flow (leakage) through those untightness are connected with transfer of contaminants and by the heat, which influents the effectiveness of heat recovery. In the article are derived the pressure differences, dependence of leakage air flow value on pressure differences, after laboratory and in the field measurements. Discussed are the problems with application of standard EN 308/1998 for testing and rating of heat exchangers and the opportunity for it's improvements. (en)
Title
  • Rotary Heat Exchanger Efficiency Influenced by Air Tightness
  • Vliv netěsností natepelnou účinnost rotačních regeneračních výměníků tepla (cs)
  • Rotary Heat Exchanger Efficiency Influenced by Air Tightness (en)
skos:prefLabel
  • Rotary Heat Exchanger Efficiency Influenced by Air Tightness
  • Vliv netěsností natepelnou účinnost rotačních regeneračních výměníků tepla (cs)
  • Rotary Heat Exchanger Efficiency Influenced by Air Tightness (en)
skos:notation
  • RIV/68407700:21220/06:02119321!RIV07-MSM-21220___
http://linked.open.../vavai/riv/strany
  • 77 ; 82
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770011)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 497999
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21220/06:02119321
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • rotary heat exchanger (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [1DB79FF26A36]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • 17th Air-Conditioning and Ventilation Conference 2006
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hemzal, Karel
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Společnost pro techniku prostředí
https://schema.org/isbn
  • 80-02-01811-7
http://localhost/t...ganizacniJednotka
  • 21220
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