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Analisis Kekuatan Material pada Poros Kemudi Kapal Tradisional di Kabupaten Rembang Jawa Tengah Eva Hertnacahyani Herraprastanti; Hendri Suryanto; Helmi Gunawan; Retno Wahyusari
Jurnal Energi Dan Manufaktur Vol 6 No 01 (2023): April 2023
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEM.2023.v16.i01.p01

Abstract

Central Java Province, especially Rembang Regency, has great potential for marine resources. However, based on PRDB data for the fisheries sub-sector, from 2010 to 2021 the fishery sector has slowed down. One of the reasons for this condition is that fishermen in Rembang Regency still use small-scale capture fisheries methods. Alternative fishing patterns need to be considered to increase capture fisheries production and reduce ship fuel costs so that fishing operations can remain profitable. One way that can be done is by conducting a study on the ship's steering axis. The traditional ship steering axle uses AISI 1045 material which is hard, wear-resistant, torsional-resistant, and quite ductile at the core. This study aims to analyze the strength of the material on the steering shaft of a traditional ship using Solidworks. The method used is a quantitative simulation to analyze the strength of the structure on the steering shaft of a traditional ship including the strength of the structure, the magnitude of the force, the torque and the stress that occurs. This analysis will be useful to assist fishermen in selecting suitable materials for traditional boats. The result of this research is AISI 1045 material has a yield strength of 5.3e+08 N/m2. The traditional ship's steering axis when given a bending load of 100 N, with a torque of 10 N.m, the maximum stress is 33.64 N/mm2, so the safety factor is 5.588585. The critical stress will occur when the bending load is increased to 600 N and the torque is 60 N.m, the maximum stress is 201.9 N/mm2 and the safety factor is less than 1, which is 0.931154. The maximum stress obtained exceeds the maximum stress required by the Indonesian Classification Bureau (BKI) which is 188 N/mm2 so that the construction is said to be unsafe.
Provision of Clean Water at Bukit Kunci Tourist Site Using Electricity from Solar Power Plant: Penyediaan Air Bersih di Tempat Wisata Bukit Kunci Menggunakan Listrik dari Pembangkit Listrik Tenaga Surya Eva Hertnacahyani Herraprastanti; Hendri Suryanto; Suluh Jatmiko; Teguh Yuwono
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 9 No. 1 (2025): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Bukit Kunci in Bangowan Village, Jiken District, Blora, is a tourist destination offering flower gardens, photo spots, camping areas, and glamping houses. However, the location faces water supply issues, particularly for the bathroom and prayer room needs. Currently, water is pumped from a traditional well using a small centrifugal pump, but limitations in pump capacity and electricity make it difficult for water to reach the surface with a large flow rate. The PKM program aims to meet the clean water needs in Bukit Kunci, provide additional electricity from a solar power plant, and enhance the partner's knowledge in operating and maintaining solar power plant equipment. Test results showed that the water pump powered by a solar power plant was able to function well, with a flow rate of 10 liters per minute and a time of 2.9 hours to fill a 1200-liter tank. Additionally, a 200 Watt Peak solar power plant was used to operate a 770 Watt water pump with a 1000 Watt inverter and a 1000 Ah battery.Through training, the partner's knowledge of solar power plant operation and installation improved. The community’s income increased by 50% after their water needs were met. In the future, increasing the capacity of the solar power plant is expected to make Bangowan Village an Energy Independent Village, without reliance on the national electricity grid (PLN)