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All Journal Rotasi FLYWHEEL : Jurnal Teknik Mesin Untirta Teknika: Jurnal Sains dan Teknologi VANOS Journal of Mechanical Engineering Education R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Teknika Journal of Renewable Energy and Mechanics Eksergi: Jurnal Teknik Energi Trends in Mechanical Engineering Research Al-Ijtimā: Jurnal Pengabdian Kepada Masyarakat
Ni Ketut Caturwati, Ni Ketut
Universitas Sultan Ageng Tirtayasa
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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SIMULATION OF THE EFFECT OF THE COVER GLASS ANGLE INCLINE ON A SINGLE SLOPE SOLAR DISTILLATOR Caturwati, Ni Ketut; Wahyudi, Hadi; Alda, Apriyani; Wiyono, Slamet; Dwinanto, Dwinanto
Trends in Mechanical Engineering Research Vol 2, No 2 (2024): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i2.30947

Abstract

Distillation is a water purification process through evaporation and condensation. Research on solar distillation was developed using the Computational Fluid Dynamic (CFD) method to obtain an overview of the transmission of solar radiation heat by the cover glass for variations in the angle of the glass inclination of 100, 200 and 300. The water height in the basin is 100 mm. The simulation results show that the heating process with variations in the angle of the cover glass affects the distillation results. The smaller angle of the cover glass inclination, the higher heat flux entering the basin so that the evaporation process becomes higher which ultimately increases the amount of distillate water production produced. The highest heat flux entering the distillation system was achieved by the system with a cover glass inclination angle of 100 with a value of 388.525 W / m2, while the lowest was at an angle of 300 with a value of 379.792 W / m2. In addition, the highest distillate production was obtained on the cover glass with an inclination angle of 10 ° of 1.078 cc. For operational hours at 13.00 WIB and simulation time 180 seconds.
Tensile Strength of Packaging Materials Made of Rice Fiber with Gondorukem Coating Caturwati, Ni Ketut; Pinem, Mekro Permana; Visoka, Cri Kalki
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 11, No 1 (2025): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v11i1.34128

Abstract

Packaging is one of the important needs in the food business that is difficult to avoid. Developing packaging products for food is an important thing that must be done to maintain cleanliness, health and the environment. Packaging waste that uses plastic as the basic material causes environmental pollution because it is not easily decomposed. Green packaging is one form of packaging that uses environmentally friendly materials such as rice straw. Bio-foam from straw combined with PVA, Glycerin, corn starch and distilled water is made into sheets for packaging. This sheet is tested with the addition of a coating derived from gondorukem which comes from plants. With this coating, it is expected to increase the tensile strength and hydrophobicity of the material surface. Testing was carried out with variations in the mixture of gondorukem and alcohol as the basic coating material, namely gondorukem concentrations of 20%, 40% and 60%. The tensile test results showed that a coating with a concentration of 60% gondorukem produced the highest tensile strength value. The increase in tensile strength reached 102% of the tensile strength of the sheet without gondorukem coating.
Pengaruh Massa PCM (Phase Change Material) Terhadap Produktivitas dan Efisiensi Alat Destilasi Tenaga Surya Menggunakan PCM Jenis Lauric Acid Sebagai Penyimpan Panas Saputra, Ehsan Tri; Caturwati, Ni Ketut; Rosyadi, Imron
Eksergi Vol. 17 No. 3 (2021): SEPTEMBER 2021
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.36 KB) | DOI: 10.32497/eksergi.v17i3.2877

Abstract

Manusia membutuhkan air untuk minum, makan, mandi dan sebagai penunjang kegiatan manusia dalam kehidupan sehari-hari. Alat destilasi surya merupakan alat yang mampu menghasilkan air bersih melalui proses destilasi dengan menggunakan energi matahari. Salah satu cara untuk meningkatkan produktivitas alat destilasi surya yaitu dengan menambahkan PCM (Phase Change Material) sebagai penyimpan panas.Pada penelitian ini menggunakan PCM jenis Lauric Acid karena memiliki temperatur perubahan fasa yang relatif rendah (40 - 43.9 °C).   Tujuan penelitian ini yaitu untuk mengetahui pengaruh massa PCM terhadap produksi destilat dan efisiensi alat destilasi surya. Metode penelitian yang digunakan adalah metode eksperimental yaitu melakukan pengamatan untuk mengetahui sebab akibat dalam suatu proses dengan membandingkan antara pengujian alat destilasi surya dengan penambahan PCM dan NON PCM.Berdasarkan hasil penelitian diperoleh kesimpulan bahwa penambahan massa PCM dapat meningkatkan produksi destilat dan efisiensi alat destilasi. Pada pengujian massa 6 kg, 7 kg, 8 kg, 9 kg dan 10 kg terjadi kenaikan efisiensi rata-rata pada masing-masing pengujian sebesar 4,49 %, 6,62 %, 8,00 %, 8,38 % dan 1,38 %. Berdasarkan hasil perhitungan efisiensi dan produktivitas pada alat destilasi, penggunaan massa 9 kg dengan volume air baku 51,13 liter dapat meningkatkan unjuk kerja alat secara optimal dengan spesifikasi dan ukuran alat destilasi yang digunakan dalam penelitian.
Co-Authors . Angga, . . Haryadi Agung Sudrajad Agung Sudrajat Ahmad Fauzi Alda, Apriyani Aminullah M., Aminullah Aminullah Mawardi Aminullah Mawardi, Aminullah Ana Maulana, Ana Angga Angga Dhimas Satria Dwinanto, Dwinanto Eko Prasetyo Endang Suhendi, Endang Erny Listijorini Fahrizal Pradana Putra Firda Andini Haryadi - Haryadi Haryadi Haryadi Haryadi Heri Kusharyanto Imron Rosyadi Imron Rosyadi Imron Rosyadi Mekro Permana Pinem Mekro Permana Pinem Mekro Permana Pinem, Mekro Permana Miftahul Jannah Muhammad Affan Adhani Muhammad Ilham Al Faiz Nugroho, Dimas Augie Pinem, Mekro Permana Reza Reza romi wiryadinata Saefuloh, Iman Salsabila, Unik Hanifah Saputra, Ehsan Tri Shofiatul Ula Slamet Wiyono Syahrul Ivandy Syarif Abdullah Visoka, Cri Kalki Wahyudi, Hadi Wiyono, Slamet Yudi Septian Yudi Septian, Yudi Yusvardi Yusuf