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All Journal Infotekmesin Accurate: Journal of Mechanical Engineering and Science Dedikasi: Jurnal Pengabdian kepada Masyarakat
Ghia Pisti Cikarge
Politeknik Negeri Cilacap
Humanities Computer Science & IT Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Pengembangan Sistem Budidaya Kepiting Sistem Tray Berbasis Energi Terbarukan di Eduwisata Cigimbal Park Asa Taufiqurrahman; Bayu Aji Girawan; Agus Santoso; Radhi Ariawan; Roy Aries Permana Tarigan; Ulikaryani; Ghia Pisti Cikarge; Yonathan Ito
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 2 (2026): Jurnal Dedikasi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/dedikasi.v6i2.454

Abstract

Budidaya kepiting bakau (Scylla spp.) merupakan salah satu kegiatan ekonomi yang memiliki potensi tinggi di wilayah pesisir. Namun, keterbatasan lahan budidaya dan penggunaan sistem konvensional menjadi kendala dalam peningkatan kapasitas produksi. Kegiatan pengabdian kepada masyarakat ini bertujuan menerapkan sistem budidaya kepiting model tray berbasis energi terbarukan di Eduwisata Cigimbal Park, Kabupaten Cilacap. Sistem yang dikembangkan mengintegrasikan kompartemen tray bertingkat, Recirculating Aquaculture System (RAS), dan Pembangkit Listrik Tenaga Surya (PLTS). Metode pelaksanaan meliputi survei lokasi, perancangan dan instalasi sistem tray, pemasangan sistem filtrasi dan RAS, instalasi PLTS, serta pelatihan pengoperasian dan perawatan sistem kepada mitra. Hasil kegiatan menunjukkan bahwa sistem budidaya kepiting model tray berhasil diimplementasikan dengan baik dan mampu meningkatkan kapasitas budidaya dari 4 ekor/m² pada sistem floating crab box menjadi 12 ekor/m² pada area yang sama atau meningkat sebesar 200%. Integrasi RAS membantu menjaga kualitas air melalui sirkulasi dan filtrasi berkelanjutan, sedangkan PLTS menyediakan sumber energi yang ramah lingkungan untuk mendukung operasional sistem. Program ini menunjukkan bahwa penerapan sistem tray berbasis energi terbarukan berpotensi meningkatkan produktivitas budidaya, efisiensi pemanfaatan lahan, dan mendukung pengembangan ekonomi masyarakat pesisir secara berkelanjutan. Keywords: aquaculture, crab cultivation, renewable energy, RAS, tray system
Pengaruh Ketebalan Orifis Terhadap Karakteristik Hidrodinamik Oksigen Terlarut pada Microbubble Generator Tipe Porous-Orifis Agus Santoso; Radhi Ariawan; Bayu Aji Girawan; Ghia Pisti Cikarge
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3038

Abstract

This study aims to analyze the effect of orifice thickness on the performance of a porous-orifice microbubble generator (MBG) in aeration processes, particularly concerning the enhancement of dissolved oxygen (DO) concentration and the volumetric oxygen mass transfer coefficient (KLa). The primary issue identified is the limited number of studies that explicitly address the role of orifice thickness as a critical geometric parameter influencing microbubble formation and oxygen transfer efficiency. The research was conducted experimentally under controlled laboratory conditions using two orifice thickness variations, 1.5 mm and 9 mm, with different water and air flow rates, QL and QG. The findings reveal that increasing air flow rate (QG)  correlates positively with higher KLa values for both orifice types; however, the thinner orifice consistently demonstrates superior KLa performance. This behavior is attributed to a steeper pressure gradient and stronger shear forces that promote finer bubble fragmentation and greater gas–liquid interfacial area. Overall, the thin-orifice MBG proved more efficient in enhancing aeration performance compared to the thick-orifice configuration.
PERANCANGAN MESIN RICE TRANSPLANTER UNTUK PADI JENIS JAJAR LEGOWO MENGGUNAKAN METODE VDI 2222 Jetma Sabilla Sabilla; Nur Akhlis Sarihidaya Laksana; Jenal Sodikin; Ulikaryani; Unggul Satria Jati; Ghia Pisti Cikarge
Accurate: Journal of Mechanical Engineering and Science Vol. 7 No. 1 (2026): April 2026
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/apcv6z23

Abstract

Agricultural mechanization is a key strategy for boosting rice cultivation productivity while addressing labor shortages in the agricultural sector. However, most rice transplanters used in Indonesia are imported products that do not fully align with local paddy field characteristics and entail relatively high investment costs. This study aims to analyze the design process of a rice transplanter tailored for the jajar legowo planting system, utilizing the VDI 2222 method and SolidWorks-based 3D modeling. The analysis covered user requirements, design concept selection, machine dimensions, seedling tray configuration, the *jajar legowo* planting system, and material selection. The results indicate that the optimal design concept features a six-row planting configuration with a frame size of 1085 mm × 1472.6 mm, six seedling trays measuring 218 mm × 600 mm, and a material combination of galvanized steel and stainless steel—balancing structural strength, corrosion resistance, ease of manufacturing, and cost-efficiency. Implementing the jajar legowo system with a planting distance of approximately 20 cm is considered conducive to planting efficiency and compatible with rice cultivation practices in Indonesia. Overall, the design process yielded a rice transplanter model with the potential to be developed into a functional prototype, serving as a more economical local alternative that meets the specific needs of Indonesian farmers.
Co-Authors Agus Santoso Asa Taufiqurrahman Bayu Aji Girawan Jenal Sodikin Jetma Sabilla Sabilla Nur Akhlis Sarihidaya Laksana Radhi Ariawan Radhi Ariawan Roy Aries Permana Tarigan Ulikaryani, Ulikaryani Unggul Satria Jati Yonathan Ito