Detail publikace
Comparison of a Novel Polymeric Hollow Fiber Heat Exchanger and a Commercially Available Metal Automotive Radiator
KROULÍKOVÁ, T. KŮDELOVÁ, T. BARTULI, E. VANČURA, J. ASTROUSKI, I.
Anglický název
Comparison of a Novel Polymeric Hollow Fiber Heat Exchanger and a Commercially Available Metal Automotive Radiator
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
A novel heat exchanger for automotive applications developed by the Heat Transfer and Fluid Flow Laboratory at the Brno University of Technology, Czech Republic, is compared with a conventional commercially available metal radiator. The heat transfer surface of this heat exchanger is composed of polymeric hollow fibers made from polyamide 612 by DuPont (Zytel LC6159). The cross-section of the polymeric radiator is identical to the aluminum radiator (louvered fins on flat tubes) in a Skoda Octavia and measures 720 x 480 mm. The goal of the study is to compare the functionality and performance parameters of both radiators based on the results of tests in a calibrated air wind tunnel. During testing, both heat exchangers were tested in conventional conditions used for car radiators with different air flow and coolant (50% ethylene glycol) rates. The polymeric hollow fiber heat exchanger demonstrated about 20% higher thermal performance for the same air flow. The efficiency of the polymeric radiator was in the range 80-93% and the efficiency of the aluminum radiator was in the range 64-84%. The polymeric radiator is 30% lighter than its conventional metal competitor. Both tested radiators had very similar pressure loss on the liquid side, but the polymeric radiator featured higher air pressure loss.
Anglický abstrakt
A novel heat exchanger for automotive applications developed by the Heat Transfer and Fluid Flow Laboratory at the Brno University of Technology, Czech Republic, is compared with a conventional commercially available metal radiator. The heat transfer surface of this heat exchanger is composed of polymeric hollow fibers made from polyamide 612 by DuPont (Zytel LC6159). The cross-section of the polymeric radiator is identical to the aluminum radiator (louvered fins on flat tubes) in a Skoda Octavia and measures 720 x 480 mm. The goal of the study is to compare the functionality and performance parameters of both radiators based on the results of tests in a calibrated air wind tunnel. During testing, both heat exchangers were tested in conventional conditions used for car radiators with different air flow and coolant (50% ethylene glycol) rates. The polymeric hollow fiber heat exchanger demonstrated about 20% higher thermal performance for the same air flow. The efficiency of the polymeric radiator was in the range 80-93% and the efficiency of the aluminum radiator was in the range 64-84%. The polymeric radiator is 30% lighter than its conventional metal competitor. Both tested radiators had very similar pressure loss on the liquid side, but the polymeric radiator featured higher air pressure loss.
Klíčová slova anglicky
polymeric heat exchanger; hollow fibers; engine cooling; plastic car radiator
Vydáno
06.04.2021
Nakladatel
MDPI
Místo
BASEL
ISSN
2073-4360
Ročník
13
Číslo
7
Strany od–do
1–13
Počet stran
13
BIBTEX
@article{BUT171165,
author="Tereza {Kroulíková} and Tereza {Kůdelová} and Erik {Bartuli} and Jan {Vančura} and Ilja {Astrouski},
title="Comparison of a Novel Polymeric Hollow Fiber Heat Exchanger and a Commercially Available Metal Automotive Radiator",
year="2021",
volume="13",
number="7",
month="April",
pages="1--13",
publisher="MDPI",
address="BASEL",
issn="2073-4360"
}