Influence of Design Parameters of a Polypropylene Hollow-Fibre Heat Exchanger on Its Thermal Performance

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F20%3A10247131" target="_blank" >RIV/61989100:27360/20:10247131 - isvavai.cz</a>

Result on the web

<a href="http://mit.imt.si/izvodi/mit206/carnogurska.pdf" target="_blank" >http://mit.imt.si/izvodi/mit206/carnogurska.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17222/mit.2020.117" target="_blank" >10.17222/mit.2020.117</a>

Result language

angličtina

Original language name

Influence of Design Parameters of a Polypropylene Hollow-Fibre Heat Exchanger on Its Thermal Performance

Original language description

The article presents potential applications of fibres made of polypropylene in new types of heat exchangers. It describes the properties of polypropylene and the method of sealing fibres in the potting process. An analysis was carried out to calculate the thermal capacity and pressure loss of the exchanger. An experimental stand was used to examine the heat transport in a shell-and-tube exchanger in a counter-flow set-up. Measurements were carried out with several designs of this type of exchanger comprising transparent as well as porous fibres. The experiment confirmed that transparent fibres in an exchanger provide heat transfer that is 20 % better than that of the porous fibres. In the case of an exchanger comprising 1400 transparent fibres with an outer diameter of 0.275 mm, the overall heat-transfer coefficient k, at a flow rate of secondary water of 150 L-h-1, was found to be 603 W*m-2*K-1. With the use of &quot;whirlers&quot; on the outer side of fibres, the k value elevated to 933 W*m-2*K-1, and at a flow rate of 200 L-h-1, the heat-transfer coefficient amounted to as much as 1191 W*m-2*K-1.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20300 - Mechanical engineering

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2020

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Materiali in tehnologije

ISSN

1580-2949

e-ISSN

—

Volume of the periodical

54

Issue of the periodical within the volume

6

Country of publishing house

SI - SLOVENIA

Number of pages

6

Pages from-to

895-900

UT code for WoS article

000597954500021

EID of the result in the Scopus database

2-s2.0-85098571402