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The Design of Refrigerated Portable Fish Storage Prototype for Small Scale Fisheries Muhammad Fatih Khairi; Sugeng Hari Wisudo; Dwi Putra Yuwandana; Fis Purwangka
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 3 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i3.4902

Abstract

Indonesia as one of the biggest capitals with fisheries industry have more than 90% small-scale fisher spread around the nation. Sadly, in some region, small scale fishers not really implement the proper fish storing method due to the lack of space in their vessel and limited technology. This issue has led to a new idea to build a portable cooling fish storage specifically for small scale fisheries. The aim of this studies is to build and test the performance of prototype of portable fish storage. The method used is direct testing by doing several tests such as power consumption test, temperature decreasing rate, and cost simulation efficiently with some condition and variables. The performance test resulted that power consumption of portable refrigerated fish storage around 374,94 - 651,93 watt with temperature decreasing rate of 0,5 C/minutes. In cost simulation, the portable refrigerated can save up to 90% rather than a traditional fish storage.
Design of Solar Powered Cooling Engine For Fishing Vessel Didit Eko Setiawan; Budhi Hascaryo; Fis Purwangka; Vita Rumanti; Ari Purbayanto; Berbudi Wibowo
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 2 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i2.4932

Abstract

The fishermen in Sendang Biru, Malang, East Java Province, Indonesia, using boat <= 5 GT, specifically an outrigger boat with 10,6 m Length of Overall (LoA), 1,3 m Breadth (B), and 0,7 m Depth (D), have experienced low priced fish catches for many years caused by low quality of fish handling on board. In this research, the researcher overcomes the problem by designing the solar powered cooling engine (SPCE) to maintain the caught fish quality on boat <= 5 GT, especially the boat with outrigger and size as previously mentioned. Meanwhile, the outrigger boat as mentioned above has limited in term of its space and its capacity on board. The research designed the SPCE that fitted to space and capacity of the outrigger boat. The stability of the boat had been analyzed by using IMO resolution on "IMO A.749 (18) Chapter 3". The result of the analyses showed that the SPCE designed met the IMO criteria applicable to all ships, which has GZ Max 0,492 m at 25.5°, and as the general arrangement of the SPCE on the boat, the SPCE device put in the middle of the boat while in the back part of the boat is fisher working area.
Estimation of Optimum Main Engine Power for a 14.5 m Wooden Purse Seine Vessel (Case Study of Motor Vessel (MV) Putra Abadi) Fis Purwangka; Daisy Rahma Rizal; Mohammad Imron; Sugeng Hari Wisudo
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 2 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i2.4980

Abstract

Small pelagic purse seine vessels in Jakarta are dominated by vessels with a length of 14.5 m. The vessel's hull construction was made by a traditional vesselyard using wood. The construction process only relies on the skills and habits of craftsmen. The choice of engine is only based on the size of the vessel and the price of the engine without calculating resistance. In general, the power of the purse seine main engine as the main mover is not suitable, causing wasteful fuel consumption. The fishing vessel engine used by MV Putra Abadi comes from a modified truck engine so that the fuel used does not comply with specifications. This research aims to determine the amount of power needed to move a Putra Abadi fishing vessel. The method used is direct observation by taking direct measurements of the dimensions of MV Putra Abadi. Next, the engine resistance and power are also calculated using the Holtrop resistance method in software. The Putra Abadi fishing vessel based on hydrostatic calculations showed that the block coefficient (Cb) is 0.425 at a speed of 7 knots, the resulting resistance is 2.5 kN. While at a maximum speed of 8 knots the BHP is 98.82. The power requirement of Putra Abadi fishing vessel according to this calculation is only 46% of the engine power currently used.
Assessment of Occupational Safety Risks in Ship Repairs at the Fisheries Service Employees Cooperative Shipyard (FSECS) Ilham Sudrajat; Fis Purwangka; Budhi Hascaryo Iskandar
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5041

Abstract

Various activities at the FSEC shipyard found many potential dangers in each element of work activity. The FSEC shipyard requires risk assessments and critical points in each ship repair activity to overcome these problems. So, research is structured with the aim; a) identify and describe repair activities at FSEC yards; b) determine critical points along the repair, along with sources of danger and consequences. This research data analysis uses the FMEA method to identify each type of work and risk assessment. Based on the identification that are assumed to be crucial in the flow of ship repair activities, 26 activities were recorded including; a) preparation 10; b) process 10 and; c) post ship docking 6. Based on 26 activities, a total of 40 ships were recorded as sources of danger from docking preparations, ship docking processes and post-ship docking. Based on the results of data processing and analysis, it was concluded that 6 activities were included in the critical risk category, including; holding the ship as it is being lowered, the ship entering the docking area, removing the remaining barnacles, turning on the grinder, grinding the upper and lower hull of the ship and getting on and off the ship.
Light-Emitting Diode for Mitigating Horseshoe Crab (Limulidae) Bycatch of Bottom Gillnet Fishery for Blue Swimming Crab in the Waters of Ambulu Village, Cirebon Regency Wazir Mawardi; Muhammad Faishal Ashshiddiqi; Zulkarnain; Am Azbas Taurusman; Fis Purwangka
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6464

Abstract

Mimi, a term for horseshoe crabs (Limulidae), often constitutes an unintended bycatch in blue swimming crab (BSC) fisheries employing bottom gillnet fishing gear. Three horseshoe species found in Indonesia have been designated as ETP species. This research aims to test the efficacy of red LED Cree lights in BSC bottom gillnet fisheries to reduce horseshoe crabs bycatch. The experimental fishing approach was employed in the waters of Ambulu Village, Cirebon Regency, with 17 trips as replication. Two sets of gillnets, as control and treatment (equipped with LED lights), respectively, were utilized in the study. Data collected were the number of species and individuals of targeted species (BSC) and horseshoe crab as bycatch resulting from the BSC gillnet operations in both control and treatment nets. A descriptive analysis was used for catch composition. Statistical analyses, including paired sample t-tests and Wilcoxon tests, were conducted on the horseshoe crab bycatch and BSC catch data to test differences between the control and treatment nets. The most abundant catch consisted of crab (Actaeodes tomentosus), with 82 individuals captured in the treatment nets and 87 in the control nets. Blue swimming crab (Portunus pelagicus) caught 76 and 53 individuals in the treatment and control nets, respectively. The bycatch of horseshoe crabs (Limulidae) in the treatment and control nets of 10 and 27 individuals, respectively. The analysis revealed that the BSC catch in the treatment nets did not significantly differ from that in the control nets. Conversely, a significant difference was observed in the horseshoe bycatch between the treatment and control nets. Incorporating red LED Cree lights resulted in a 35.79% increase in the BSC catch and a 62.96% reduction in the horseshoe bycatch.