2012
DOI: 10.2298/fuee1203183i
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Analysis of induction heating system for high frequency welding

Abstract: The aim of the work is the investigation of induction heating system used for longitudinal, high frequency pipe welding.Coupled electromagnetic and temperature field distribution has been studied in order to estimate system efficiency and factors influencing the quality of the welding process and required energy. The problem was considered as three dimensional. Time harmonic electromagnetic and transient thermal field has been solved using finite element method and COMSOL 4.2 software package. Show more

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Cited by 6 publications
(3 citation statements)
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“…Thanks to this, HFI heating is used in a number of processes: induction hardening, tempering, soldering, welding, annealing, preheating and postheating, forging, melting, straightening, etc. [2]. In addition, HFI processes can be successfully used for both non-alloy and alloy steels and for copper, brass, aluminum, titanium and gold [3] although other techniques can be applied [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…Thanks to this, HFI heating is used in a number of processes: induction hardening, tempering, soldering, welding, annealing, preheating and postheating, forging, melting, straightening, etc. [2]. In addition, HFI processes can be successfully used for both non-alloy and alloy steels and for copper, brass, aluminum, titanium and gold [3] although other techniques can be applied [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…Due to the skin effect and the proximity effect, dense high-frequency currents flow from the inductor, along the edge, to the closing point, and back through the opposite edge. This is the V-zone extending just in front of the closing point [10]. This means that the V-angle and the V-zone length in the HFI method must be as small as possible to maximize the current density and increase the resistive heating effect [11].…”
Section: Introductionmentioning
confidence: 99%
“…Bu etkiler sonucunda akım, sargıların dış yüzeyindeki belirli bir bölgeye yoğunlaşma eğilimi göstermekte ve dolayısıyla, bakır sargı kesitinin tümü akım tarafından etkin olarak kullanılamamaktadır. Bu olumsuz etkiler dikkate alınarak, daha sonra yıllarda indüksiyon bobin tasarımı için, içi boşaltılmış silindirik bakır borular kullanılmıştır [9,20]. Yüksek güçlü indüksiyon ısıtma sistemlerinde açığa çıkan ısı, indüksiyon bobin sargılarını da ısıtarak olumsuz etkilemektedir; bu olumsuz etki, içi boşaltılmış bakır boru içinden soğutma sıvısı geçirilerek önlenmiş ve daha verimli bir çalışma sağlanmıştır.…”
Section: Introductionunclassified