Entegreli Termal Yönetim Sisteminde Gizli Isı Depolamanın Etkisi

Year 2024, Volume: 2 Issue: 1, 1 - 13, 28.06.2024

Gülenay Alevay Kılıç

Abstract

Termal yönetim sistemleri (TYS) içinde aktif ve pasif soğutma yöntemlerinin avantajlarını bir araya getiren entegreli termal yönetim sistemleri (ETYS) son birkaç yıldır yeni nesil uygulamalar arasında yer almaktadır. ETYS, yüksek ısı üreten uygulamalarda kullanılarak cihaz bileşenlerinden kaynaklanan ısıyı etkin bir şekilde kontrol edip dağıtmak için iki mekanik döngüden oluşmaktadır. Birincil döngüde, bileşenlerden gelen ısı, sıvı soğutma sistemine entegre edilmiş sistem aracılığıyla uzaklaştırılmaktadır. İkincil döngüde ise dolaşan sıvı, cihazın ısı üreten bileşenlerinden ısıyı absorbe ederek tekrar birincil döngüdeki sıvı soğutucu ünitesi tarafından soğutulmaktadır. Bu deneysel çalışmada, birincil döngüdeki radyatöre faz değişim malzemesi (FDM) entegre edilmiş olup FDM' nin gizli ısı depolama kapasitesinden yararlanılarak radyatör üzerindeki ısıl yükün azaltılması amaçlanmıştır. Deneylerde sıcak iklim koşulları baz alınarak radyatörde dolaştırılan ısı transfer akışkanı (ITA) ile FDM arasındaki termal etkiler incelenmiştir. Çalışma kapsamında sıcak iklimdeki agresif ve sürekli yüksek deşarj akımının neden olduğu sıcaklık artışını sönümleyici bir yaklaşım sunulmuştur. Elde edilen veriler, birincil döngüde yer alan radyatörün üstündeki termal yükün, gizli ısı depolama enerjisi kullanıldığında %21.45 azaldığını ortaya koymuştur. Aynı zamanda radyatör kanalları boyunca istikrarlı ve homojen bir ısı dağılımı gözlemlenmiş ve belirsizlik analizi de yapılmıştır.

Keywords

Entegreli termal yönetim sistemi, Sıvı soğutma, Radyatör, Zorlanmış ısı taşınımı

Ethical Statement

Dergiye gönderilen makalenin yazarın özgün çalışması olduğunu ve makalede etik ihlal yapılmadığını saygılarımla beyan ederim.

The Effect of Latent Heat Storage in Integrated Thermal Management System

Abstract

Integrated thermal management systems (ITMS), which combine the advantages of active and passive cooling methods within thermal management systems (TMS), have been among the new generation applications in recent years. ITMS, used in applications generating high heat, consists of two mechanical cycles to effectively control and distribute heat originating from device components. In the primary cycle, heat from the components is dissipated through a system integrated with a liquid cooling system. In the secondary cycle, the circulating liquid absorbs heat from the heat-generating components of the device and is then cooled again by the liquid cooling unit in the primary cycle. In this experimental study, phase change material (PCM) was integrated into the radiator in the primary cycle to reduce the thermal load on the radiator by utilizing the latent heat storage capacity of PCM. Thermal effects between the heat transfer fluid (HTF) circulated in the radiator and PCM were examined considering hot climate conditions in experiments. Within the scope of the study, a mitigating approach to suppress the temperature increase caused by aggressive and continuous high discharge currents in hot climates was proposed. The obtained data revealed a reduction of 21.45% in the thermal load on the radiator when utilizing latent heat storage energy in the primary cycle. Additionally, a stable and homogeneous heat distribution along the radiator channels was observed, and uncertainty analysis was conducted.

Keywords

Integrated thermal management system, Liquid cooling system, Radiator, Forced heat transfer.

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