FINITE ELEMENT ANALYSIS OF PRESSURE FORMING OF THIN-WALLED ALUMINUM HEAT EXCHANGERS

1 MAMALA Andrzej
Co-authors:
1 GRZEBINOGA Justyna 1 KWAŚNIEWSKI Paweł 1 KIESIEWICZ Grzegorz 1 ŚCIĘŻOR Wojciech 1 NOWAK Andrzej 1 KORDASZEWSKI Szymon 1 KOWAL Radosław 1 ZASADZIŃSKA Małgorzata
Institution:
1 AGH University of Science and Technology, Faculty of Non-Ferrous Metals, 30 Mickiewicza AV., 0-059 Kraków, Poland
Conference:
26th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 24th - 26th 2017
Proceedings:
Proceedings 26th International Conference on Metallurgy and Materials
Pages:
427-432
ISBN:
978-80-87294-79-6
ISSN:
2694-9296
Published:
9th January 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
31 views / 12 downloads
Abstract

Modern high-efficiency heat exchangers used in renewable energy systems are more and more often based on light metals and their alloys. The reasons for this are both economic and technical. Aluminium alloys show very good properties e.g. low mass density and heat conductivity and the price of the material is advantageous compared to any alternative compounds. The analysed group of heat exchangers is utilized in new generation of compact hybrid solar panels used for cogeneration of electrical energy and heat from sun radiation. The heat exchanger properties are determined by the materials of construction, as well as physical properties, technology and erosion and corrosion susceptibility caused by the exchanger’s fluid.The operating parameters of heat exchangers are limited to a great extent by the internal surface condition of the exchanger’s pipes. Their morphology is highly dependent on the manufacturing processes. This paper presents the study on stress and strain obtained from the finite element analysis for aluminium pipes at different stages of their pressure forming.

Keywords: aluminium alloys, hybrid solar collector, heat exchanger, FEA method, pressure forming
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