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All Journal International Conference on Maritime Technology and Its Application Proceedings Conference on Marine Engineering and its Application
M Anis Mustaghfirin
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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DESAIN DAN ANALISIS SISTEM PENDINGIN KAPAL TRADISIONAL PENANGKAP IKAN 30 GT PANTAI UTARA LAMONGAN Dimas Bayu Aji S; M Anis Mustaghfirin; Benedicta Dian Alfanda
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2667

Abstract

There are several methods to cool fishermen's catches, namely the full ice blockmethod, the full refrigeration system method, and the combined ice method andrefrigeration system. Among these methods, the full ice block method is the most commonlychosen method by traditional fishermen because the use of this method is consideredcheaper than other methods. However, in terms of the quality of the fish cooled by thismethod, it is lacking., In this study a calculation of the cooling load of the hold is carriedout which will produce a cooling system using RSW (Refrigerated Seawater) with thesoftware method and will produce a suitable RSW design for the Ijon-in fishing boat hold.In addition, the calculation of the economic aspects of the use of RSW will be carried outcompared to conventional systems. The results of this study found that the coolingrequirement for the hatch was 10.9847064 Kw, therefore the compressor used had acooling capacity of 13.35 kW. Then we get a condenser design with a shell diameter of 350mm and a tube diameter of 25.4 mm and an evaporator design with a shell diameter of 600mm and a tube diameter of 12.7 mm.
The Effect of Increasing Catalyst Concentration of Fabricated Hydrogen Generator on Proton Exchange Membrane Fuel Cell Performance M Anis Mustaghfirin; Mardi Santoso; M Hakam; Rafi Akbar Heriyansyah; Aminatus Sa’diyah; Eky Novianarenti; Ni’matut Tamimah; Haidhar Wahyu S
International Conference on Maritime Technology and Its Application Vol. 3 No. 1 (2025): ICOMTA : International Conference on Maritime Technology and Its Application
Publisher : Surabaya State Polytechnic of Shipbuilding

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/icomta.v1i1.9

Abstract

Hydrogen can be utilised through a Proton Exchange Membrane Fuel Cell (PEMFC) which has many advantages, namely more energy yield, higher energy density, no emissions, and no need for recharging compared to using batteries. The highest electrolyzer efficiency results were found on the 0.05M KOH catalyst with a value of 1.70% and it can be concluded that the higher the catalyst concentration, the higher the electrolyzer efficiency. The highest power density and fuel cell efficiency quality is found in the 0.05M NaCl catalyst but with the lowest Specific Fuel Consumption (SFC) of 0.62 kg/kWh, this indicates that the relationship between concentration and power density and fuel cell efficiency is directly proportional while it is inversely proportional to Specific Fuel Consumption ( SFC). The best Break Even Ratio value is found in the NaCl catalyst type 0.05 with a value of 0.082. The use of a seawater catalyst has the highest efficient value at a percentage of 100% with electrolyzer efficiency reaching 13.36% and the lowest SFC, namely 0.24 kg/kWh. Based on these results, the use of hydrogen generators for Proton Exchange Membrane Fuel Cells (PEMFC) needs to be developed.
Co-Authors Aminatus Sa’diyah Benedicta Dian Alfanda Dimas Bayu Aji S Eky Novianarenti Haidhar Wahyu S M Hakam Mardi Santoso Ni’matut Tamimah Rafi Akbar Heriyansyah