Experimental Investigation of Thermoelectric Self-Cooling System for the Cooling of Ultrasonic Transducer Drivers

Studies on thermoelectric generators (TEG) are becoming widespread day by day and the diversity of usage areas of generators is increasing. Individuals using TEG modules appear to be able to produce the required electricity for various uses from their own bodies. It is hoped that electricity will be generated from TEG modules that will be implanted in the human body because of this foresight. In order to obtain power from these TEG modules, which can be used for implantable devices, the temperature difference in different parts of the body is used. In the study, a thermal model of human living tissue was examined to investigate parameters affecting energy harvesting from human with TEG. A realistic TEG model was determined to accurately calculate the power generated by TEG. The thermal model was applied with using the finite volume method (FVM). Four important factors that affect generated power by TEG were chosen such as fat thickness (Lfat), leg length of TEG (Lleg), convection boundary condition on skin (hskin) and heat generation of muscle tissue (Qgen). The effects of these factors on temperature difference of TEG legs and power output were investigated using 2 k factorial design method. As a result, maximum and minimum values were found as 0.26 °C and 1.13 °C respectively for the temperature difference between legs. According to these temperature difference values, the power outputs obtained from the TEG module are 3.86 µW and 55.54 µW, respectively. In addition, Lleg, hskin and Qgen have a positive effect on TEG power output. As analysis of variance (ANOVA) result, the percentage contribution of factors A and B is high, so they have strong effects on both responses.

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The Effect of Different Parameters on the Amount of Obtained Power the Thermoelectric Generator Placed in the Human Living Tissue

Arslan

TAŞLICA

KARAKURT

et al. 2022

Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Experimental Study On Heat Transfer Performance Of Solar Thermoelectric Generators Using MWCNT-Distilled Water And GNP-Distilled Water Nanofluids As Coolants

2023

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Son yıllarda, güneş enerjili termoelektrik jeneratörler diğer yeşil güç üretim sistemleri arasında umut verici bir konu olarak ortaya çıkmıştır. Geleneksel enerji üretim sistemlerindeki gibi bir ara enerji formu olmaksızın güneş enerjili termoelektrik jeneratör doğrudan güneş enerjisinden elektrik enerjisi üretebilen bir sistemdir. Güneş enerjili termoelektrik jeneratördeki son gelişmelerle, konsantre sistemler gibi optimize edilmiş sistemlerin ve ayrıca nanoteknolojinin sağladığı desteklerin bir sonucu olarak çeşitli iyileştirmeler sağlanmıştır. Bu çalışmada, baz akışkan olarak su içinde dağıtılan Grafen Nanoplateletler (GNP’ler) ve Çok Duvarlı Karbon Nanotüpler (MWCNT’ler) kullanan bir yoğunlaştırıcı termoelektrik jeneratör (CTEG) deneysel olarak incelenmiştir. Karabük Üniversitesi laboratuvarlarında yoğunlaştırıcı termoelektrik jeneratör sistemi (CTEG) tasarlanıp, imalatı gerçekleştirilmiş ve dış şartlarda deneyler yapılmıştır. Deneyler, MWCNTs-Su ve GNPs-Su nanoakışkanlarının ağırlıkça %0.25 nanoparçacık kütle konsantrasyonu için sabit debide (ν ̇=0.5 L/dk) gerçekleştirilmiştir. Deneylerde termal ve elektriksel enerji verimliliği üzerindeki nanoparçacık tipinin etkisi amaçlanmıştır. Elde edilen sonuçlar, CTEG sisteminin 38°C’lik bir ortalama sıcaklık farkı için maksimum 3.7 W elektrik gücü çıkışı üretmeye olanak sağladığını göstermiştir. Elektrik performansı için MWCNTs-su nanoakışkanın artış oranı diğer akışkanlara göre daha büyükken GNP’ler-su nanoakışkanın termal performansı maksimum artışı göstermiştir. Günlük toplam verim değerleri saf su, GNPs-su, MWCNTs-su için sırasıyla %16.34, %24.03 ve %20.21 olarak hesaplanmıştır. Çalışmanın sonuçları, CTEG uygulamalarındaki soğutma tekniği için farklı türlerde nanoakışkanların kullanımının potansiyel seçeneklerden biri olma beklentileri hakkında sağlam bir temel oluşturmuştur.

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Experimental Investigation of Thermoelectric Self-Cooling System for the Cooling of Ultrasonic Transducer Drivers

Abstract: Bu makaleye şu şekilde atıfta bulunabilirsiniz(To cite to this article): Şener M., Arslan F.M., Gürses B.O. ve Gürlek G., "Experimental investigation of thermoelectric self-cooling system for the cooling of ultrasonic transducer drivers", Politeknik Dergisi, (): , ().

Cited by 2 publications

References 15 publications

The Effect of Different Parameters on the Amount of Obtained Power the Thermoelectric Generator Placed in the Human Living Tissue

The Effect of Different Parameters on the Amount of Obtained Power the Thermoelectric Generator Placed in the Human Living Tissue

Experimental Study On Heat Transfer Performance Of Solar Thermoelectric Generators Using MWCNT-Distilled Water And GNP-Distilled Water Nanofluids As Coolants

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Experimental Investigation of Thermoelectric Self-Cooling System for the Cooling of Ultrasonic Transducer Drivers

Abstract: Bu makaleye şu şekilde atıfta bulunabilirsiniz(To cite to this article): Şener M., Arslan F.M., Gürses B.O. ve Gürlek G., "Experimental investigation of thermoelectric self-cooling system for the cooling of ultrasonic transducer drivers", Politeknik Dergisi, *(*): *, (*).

Cited by 2 publications

References 15 publications

The Effect of Different Parameters on the Amount of Obtained Power the Thermoelectric Generator Placed in the Human Living Tissue

The Effect of Different Parameters on the Amount of Obtained Power the Thermoelectric Generator Placed in the Human Living Tissue

Experimental Study On Heat Transfer Performance Of Solar Thermoelectric Generators Using MWCNT-Distilled Water And GNP-Distilled Water Nanofluids As Coolants

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Product

Resources

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Abstract: Bu makaleye şu şekilde atıfta bulunabilirsiniz(To cite to this article): Şener M., Arslan F.M., Gürses B.O. ve Gürlek G., "Experimental investigation of thermoelectric self-cooling system for the cooling of ultrasonic transducer drivers", Politeknik Dergisi, (): , ().