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Journal : JURNAL CRANKSHAFT

Analisis sistem solar tracker terhadap daya yang dihasilkan untuk irigasi hidroponik tenaga panel surya Muhammad Naufal Hanif; Mohamad Zaenudin; Yasya Khalif Perdana Saleh
JURNAL CRANKSHAFT Vol 6, No 2 (2023): Jurnal Crankshaft Vol. 6 No. 2 (2023)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/crankshaft.v6i2.11050

Abstract

Hydroponics is an agricultural system that requires electricity to drive water pumps that flow irrigation, and solar panels are tools to convert solar energy into electrical energy. The drawback of installing solar panels so far is static so that the power received is not optimal, considering that the sun is always moving around the earth. In this case a solar panel with a solar tracker system is used as a source of electrical energy for the water pump. The purpose of using a solar tracker on this hydroponic solar panel is to optimize the absorption of the energy received by the solar panel. The method used in this research is the method of literature study and experimental research. The research was conducted from March 4 - April 15 2023 from 07.00 - 18.00 WIB with 1 day of static position testing each, and 1 day of solar tracker solar panels every day. The total power obtained during the test was 2823.31W on the solar tracker system after deducting the power consumption of the solar tracker system, while in a static position the power obtained was 1843.71W. On the solar tracker system it takes 3 Hours 54 Minutes to charge the battery after the battery power is used for 13 hours. Meanwhile, in a static position it takes 6 hours. The conclusion from this study is that the solar panel solar tracker system in hydroponics is capable of producing a power increase of 53% compared to hydroponic solar panels in a static position.
Analisa Hasil Sambungan Las ( Pipa STKM 13B Dan Plat SPH 440) Dengan Pengujian Tarik dan Photomacro Luqman Fikri; Yulianto Simamora; Muhammad Untung Zaenal Priyadi; Yasya Khalif Perdana Saleh; Mohammad Zaenudin; Sidik Mulyono; Adhes Gamayel; Askar Triwiyanto; I nyoman Jujur
JURNAL CRANKSHAFT Vol 7, No 2 (2024): Jurnal Crankshaft Vol.7 No.2 (2024)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v7i2.12657

Abstract

ABSTRACTGMAW (Gas Metal Arc Welding) is a fast, versatile welding technique that can be used in various positions, but it often results porosity in welded joints.This research aims to analysis of the welded joints of STKM13B pipe and SPD 440 plate using tensile and micro testing, using welding a current of 18 and varying voltages of 110, 130, and 150. The results is the shape of the welded joint of the plate and pipe is perfectly connected, the tensile test results showed that the ultimate strength values for specimen 1, 2, 3 (A110/V18, A130/V18, A150/V18) were (18,959, 27,886, 40,005 N) respectively. The highest ultimate strength values were obtained from the specimens (A150/V18) while the lowest ultimate strength value was obtained from specimen (A110/V18). The use of welding current strongly correlates with ultimate strength value and photomacro results, with higher currents resulting in higher density levels, minimizing porosity, and increasing ultimate strength. Keywords: GMAW Welding, Tensile Test, Macro Optical Test. 
Analisis Perbandingan Komposisi Biobriket Berbahan Baku Tempurung Kelapa dan Kayu Rambutan dengan Perekat Pati Kanji dan Molase M Fikri; Ade Sunardi; Mohamad Zaenudin
JURNAL CRANKSHAFT Vol 6, No 3 (2023): Jurnal Crankshaft Vol.6 No.3 (2023)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/crankshaft.v6i3.11451

Abstract

Semakin berkurangnya jumlah bahan bakar fosil yang tersedia telah mendorong kebutuhan akan sumber energi alternatif dan terbarukan. Oleh karena itu, pencarian untuk menemukan sumber bahan alternatif yang dapat diperbarui, ekonomis, dan ramah lingkungan menjadi suatu kegiatan yang sangat penting untuk pengembangan sumber energi yang lebih berkelanjutan. Salah satu solusinya adalah melalui penggunaan Biobriket, yaitu briket atau arang yang dihasilkan dari limbah biomassa seperti dedaunan, ranting, jerami, kayu, dan berbagai jenis bahan hayati lainnya. Pembuatan Biobriket dipengaruhi oleh beberapa faktor, termasuk bahan yang digunakan, kehalusan arang hasil karbonisasi, massa jenis arang, temperatur karbonisasi, variasi komposisi, dan tekanan pada proses pencetakan. Biobriket ini memiliki keunggulan dalam menghasilkan asap yang sangat sedikit, bahkan hanya timbul saat proses penyalaan. Pada penelitian ini, biobriket dibuat sedemikian rupa dengan menggunakan campuran tempurung kelapa dan kayu rambutan dengan komposisi yang berbeda-beda. Dua perekat digunakan pada penelitian ini, yaitu molase dan tepung kanji. Hasil penelitian menunjukkan bahwa campuran briket dengan kualitas terbaik adalah briket dengan komposisi campuran 90% arang dan 10% perekat (molase dan pati kanji). Hal ini disimpulkan dari beberapa faktor pengujian yaitu, densitas, shutter index, laju pembakaran, dan sisa abu. Penelitian ini telah berhasil memberikan wawasan mengenai pembuatan biobriket dengan menggunakan bahan baku tempurung kelapa dan kayu rambutan berperekat molase dan tepung kanji.