Abidin, Zainal and Prof. Dr.Eng. Eko Siswanto, ST, MT and Prof. Dr.Eng. Widya Wijayanti, ST, MT and Winarto, ST, MT, P.hD (2024) Pengaruh Pelapisan Kurkumin Pada Karakteristik Lilitan Tembaga Sistem Transfer Daya Tanpa Kabel (Wireless Power Transfer). Doktor thesis, Universitas Brawijaya.
Abstract
Dalam industri saat ini, sistem penyaluran daya nirkabel memegang peranan penting dalam aplikasi telekomunikasi, motor, generator, transfer daya nirkabel, dan lain-lain. Teknologi penyaluran daya nirkabel adalah sepasang lilitan tembaga yang beresonansi sehingga dapat mentransfer energi dari lilitan L1 ke lilitan L2. Pengembangan biomaterial sebagai pendukung perangkat teknologi banyak dikembangkan di banyak negara, dari jenis buah-buahan, sayuran dan pemanfaatan dan pengembangan organisme hidup yang lain. Salah satu biomaterial yang memiliki karakteristik menarik adalah kurkumin. Sebagai material pelapis, senyawa kurkumin mengandung dua cincin aromatik yang dapat berperan mendonasikan elektron terhadap tembaga dan dapat memberikan pengaruh terhadap magnet eksternal. Metode yang digunakan dalam penelitian untuk mengetahui pengaruh pelapisan kurkumin pada lilitan tembaga digunakan metode perendaman 4 buah lilitan tembaga ukuran 0.3 mm, diameter 5 cm dan jumlah lilitan 30 dalam cairan konsentrasi kurkumin : H2O dengan masing-masing volume 100 ml sebanyak 4 gelas ukur. Untuk memperlihatkan karakteristik ikatan kurkumin pada lilitan tembaga dilakukan uji FTIR dan uji SEM, untuk mendapatkan informasi sifat-sifat kimia senyawa kurkumin: tembaga (Cu) digunakan simulasi avogadro dan nmrdb.org simulation. Eksperimen menunjukan adanya perubahan sebelum dan sesudah pelapisan, setelah pelapisan kurkumin pada lilitan tembaga menunjukan adanya peningkatan kuat medan magnet tertinggi sebesar 6,75uT (69,29%) dari sebelumnya 2,54 uT dan arus sebesar 1,1 mA (52,77%) dari sebelumnya 0,72 mA. Dari hubungan persamaan didapatkan nilai konduktivitas material pada konsentrasi tertinggi nilai konduktansi meningkat dari 28,80 menjadi 44,00 (52,77%). Sifat kimia pada senyawa kurkumin dan tembaga menunjukkan adanya kekakuan dan fleksibilitas molekul: Ikatan yang dapat berotasi memberikan fleksibilitas pada molekul, yang mempengaruhi konformasi dan interaksi dengan molekul lain dan stabilitas Struktur ikatan yang tidak dapat berotasi biasanya menunjukkan daerah molekul yang lebih kaku dan stabil, yang penting dalam interaksi spesifik seperti koordinasi dengan tembaga (Cu). Pelapisan cairan kurkumin pada lilitan tembaga dapat memiliki beberapa aspek kuantum mekanis yang menarik untuk dipertimbangkan: adanya interaksi molekuler, adanya efek fluoresensi, adanya fenomena kuantum elektronik, efek kuantum pada stabilitas, dan dinamika molekuler Pengujian sistem WPT sebelum dan sesudah dilapisi kurkumin, didapatkan efisiensi daya () pada sistem WPT sebelum dilapisi kurkumin sebesar 64% (jarak 1 cm) dan efisiensi daya () sebesar 49% (jarak 2 cm). Setelah pelapisan kurkumin pada lilitan tembaga dan diaplikasikan pada WPT didapatkan efisiensi daya sebesar 64% (jarak 1 cm), efisiensi daya sebesar 49 % (jarak 2 cm), efisiensi daya sebesar 36% (jarak 3 cm ) dan efisiensi daya 25% (jarak 4 cm). Dari hasil pengujian didapatkan bahwa pelapisan kurkumin pada lilitan tembaga dapat meningkatkan jarak transfer daya sebesar 50% dan semakin bertambah jarak transfer daya, efisiensi daya semakin menurun.
English Abstract
In Industry today, wireless power distribution systems play an important role in telecommunications applications, motors, generators, wireless power transfer, etc. Wireless power distribution technology is a pair of copper coils that resonate so that they can transfer energy from coil L1 to coil L2. The development of biomaterials as supporting technological devices has been developed in many countries, from fruits, vegetables and the use and development of other living organisms. One biomaterial that has interesting characteristics is curcumin. As a coating material, the curcumin compound contains two aromatic rings which can play a role in donating electrons to copper and can have an influence on external magnetism. The method used in the research to determine the effect of curcumin coating on copper coils was the method of immersing 4 copper coils measuring 0.3 mm, 5 cm in diameter and 30 coils in liquid with a concentration of curcumin: H2O with a volume of 100 ml each in 4 measuring cups. To show the characteristics of the curcumin bond in copper coils, FTIR and SEM tests were carried out, to obtain information on the chemical properties of the curcumin compound: copper (Cu), Avogadro simulation and nmrdb.org simulation were used. Experiments show that there are changes before and after coating, after curcumin coating the copper winding, it shows an increase in the highest magnetic field strength of 6.75uT (69.29%) from the previous 2.54 uT and a current of 1.1 mA (52.77% ) from the previous 0.72 mA. From the equation relationship, it is found that the conductivity value of the material at the highest concentration increases the conductance value from 28.80 to 44.00 (52.77%). The chemical properties of curcumin and copper compounds indicate the rigidity and flexibility of the molecule: Bonds that can rotate provide flexibility to the molecule, which influences its conformation and interactions with other molecules and stability. Bond structures that cannot rotate usually indicate more rigid and stable regions of the molecule, which important in specific interactions such as coordination with copper (Cu). Coating liquid curcumin on copper coils can have several interesting quantum mechanical aspects to consider: the presence of molecular interactions, the presence of fluorescence effects, the presence of quantum electronic phenomena, quantum effects on stability, and molecular dynamics Testing the WPT system before and after being coated with curcumin, power efficiency was obtained () in the WPT system before being coated with curcumin was 64% (1 cm distance) and power efficiency () was 49% (2 cm distance). After coating curcumin on the copper winding and applying it ix to the WPT, the power efficiency was 64% (1 cm distance), 49% power efficiency (2 cm distance), 36% power efficiency (3 cm distance) and 25% power efficiency (2 cm distance). 4 cm). From the test results, it was found that curcumin coating on copper windings can increase the power transfer distance by 50% and as the power transfer distance increases, the power efficiency decreases.
| Item Type: | Thesis (Doktor) |
|---|---|
| Identification Number: | 062407 |
| Uncontrolled Keywords: | cincin aromatik, kurkumin, lilitan tembaga, efisiensi daya, transfer daya nirkabel.-aromatic ring, curcumin, copper coil, power efficiency, wireless power transfer. |
| Divisions: | S2/S3 > Doktor Teknik Mesin, Fakultas Teknik |
| Depositing User: | Unnamed user with username nova |
| Date Deposited: | 30 Sep 2024 08:37 |
| Last Modified: | 30 Sep 2024 08:37 |
| URI: | http://repository.ub.ac.id/id/eprint/225089 |
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