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International Journal of Marine Engineering Innovation and Research
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 25415972     EISSN : 25481479     DOI : ttp://dx.doi.org/10.12962/j25481479
Core Subject : Science, Social, Engineering,
Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation
International Journal of Marine Engineering Innovation and Research (IJMEIR) is an open-access journal, which means that visitors all over the world could publish, read, download, cite and distribute papers published in this journal for free of cost. IJMEIR journal has a vast group of visitors, a far-reaching impact and pretty high citation. IJMEIR adopts a peer-review model, which insured fast publishing and convenient submission. IJMEIR now cordially inviting you to contribute or recommend quality papers to us. This journal is geared towards the dissemination of original innovation, research and practical contributions by both scientists and engineers, from both academia and industry. Theses, dissertations, research papers, and reviews associated with all aspects of marine engineering, marine sciences, and marine technology are all acceptable for publication. International Journal of Marine Engineering Innovation and Research (IJMEIR) focus and scopes are preserve prompt publication of manuscripts that meet the broad-spectrum criteria of scientific excellence. Areas of interest include, but are not limited to: Automotive Biochemical Biology Biomedical science Biophysics and biochemistry Chemical Chemistry Combat Engineering Communication Computer science Construction Energy Energy storage Engineering geology Enterprise Entertainment Environmental Environmental Engineering Science Environmental Risk Assessment Environmental technology Financial Engineering Fire Protection Engineering Fisheries science Fishing Food Science and Technology Health Care & Public Health, Health Safety Health Technologies Industrial Technology Industry Business Informatics Machinery Manufacturing Marine Engineering Marine sciences Marine technology Marine biology Marine economic Marine engines Marine fisheries Marine fuel Marine geology Marine geophysic Marine management Marine oil and gas Marine policy Material sciences Materials science and engineering Mathematics Mechanics Medical Technology Metallurgical Micro-technology Military Ammunition Military Technology Military Technology and equipment Mining Motor Vehicles Naval Engineering Neuroscience Nuclear technology Ocean Robotics and Automation Safety Engineering Sanitary Engineering Space Technology Statistics Traffic Transport Visual Technology
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 5, No 1 (2020)" : 6 Documents clear
Coolbox Design Modification for Traditional Fishing Vessel Using Sengon Wood Sawdust and Potassium Hydroxide-Soaked Coconut Coir Ede Mehta Wardhana; Alam Baheramsyah; Hilmy Yassar
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.657 KB) | DOI: 10.12962/j25481479.v5i1.6992

Abstract

This research modified coolbox by mixing sengon wood sawdust and potassium hydroxide-soaked cocofiber. By considering its composition, potassium hydroxide content, and soaking duration, this research was done to find the optimum amount of those three variables to make the best insulator. The best insulator was chosen based on its thermal conductivity, density, and economic value, and the easiness in the making. From the experiment, the chosen composition consists of 30% sengon wood sawdust and 70% potassium hydroxide-soaked cocofiber with content of 15% and soaking duration of 2 hours. With thermal conductivity of 0,352W/mK, density of 0,303gram/cm3, and specimen production cost of Rp607,41, this material was used for composition reference in the making of the coolbox. The experiment of coolbox lasted for 35 hours with 71 temperature data retrievals. The coolbox experiment used 500 gram tuna fish and 2500 gram ice as cooler. The result showed that the lowest temperature for ice inside coolbox was 0,3°C, the lowest temperature of fish was 5°C, and the lowest temperature in coolbox chamber is 17°C. With the ratio of 1:5 for fish and ice, the coolbox insulation using sengon wood sawdust and potassium hydroxide-soaked cocofiber was able to maintain fish temperature below 20°C for 27,5 hours. Meanwhile, the styrofoam coolbox was able to maintain fish with the same condition for 35 hours.
Effect of Biodiesel B30 on Deposit Forming and Wear Metal of Diesel Engine Components Zeka Angger Hartono; Beny Cahyono
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.417 KB) | DOI: 10.12962/j25481479.v4i4.5587

Abstract

Alternative fuels for diesel engines have attracted the world's attention as an impact of the world energy crisis. For this reason, alternative fuel is needed to reduce the need for fossil fuels. Biodiesel fuel with the raw material of palm oil is the once alternative fuel to replace diesel fuel. This is because Indonesia is the largest producer of crude palm oil (CPO) in the world. But, the use of vegetable oil biodiesel can affect losses to engine lifetime. It can increasing metal wear rates in diesel engines. The experiment carried out by running diesel engines for 200 hours with Engine Manufacturer’s Association (EMA) standard. B30 palm oil biodiesel affected the wear metal contact in diesel engines. Aluminum content in used lubricating oil fueled by B30 palm oil biodiesel is 19.8% greater, iron content 0.75% greater, and chromium content greater than metal content in used lubricating oil fueled by diesel fuel. In addition, the use of B30 palm oil biodiesel causes a larger piston ring gap and worse condition on journal bearing. But, deposit forming in the diesel engine components fueled by B30 palm oil biodiesel is 4.27% lower than diesel fuel. It can be concluded that the use of B30 palm oil biodiesel causes greater metal wear than the use of diesel fuel.
The Effect of Heating of B20 Fuel to Combustion Characteristic on the Diesel Engine Based on Experiment Semin Semin; Beny Cahyono; Faris Mishbahul Muhammad; Barokah Barokah
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (690.632 KB) | DOI: 10.12962/j25481479.v4i4.5654

Abstract

According to Bank Indonesia, the current account deficit of Indonesia. In the second quarter of 2018 increased to USD 8.0 billion. One of the government's programs to reduce the current account deficit is by implementing a B20 biodiesel policy. The increasing percentage of biodiesel in fuel blends tends to decrease the quality of spray atomization, where it indicated by longer droplet breakup, spray penetration, droplet lifetime, and bigger droplet diameter. Higher viscosity causes a decrease in the quality of the spray from the injector. Previous research shows that the inlet temperature of the fuel can make the performance of small diesel engines slightly better. The research was conducted using petrodiesel and biodiesel fuel by varying inlet temperature of 50oC and 70oC. Based on that this research is conducted to understand the effect of fuel heating diesel engine combustion process. The result shows that generally maximum pressure is increased for every increase in fuel temperature. The heat release shows a decreasing trend for every increase in fuel temperature. Knock detection shows that generally when the fuel temperature increased the knocking is also increased. The increasing fuel temperature shows little effect on ignition delay except for the higher temperature of 60oC and 70oC where the ignition delay is the lowest and closest to that of a dexlite fuel.
Content and Back Cover International Journal of Marine Engineering Innovation and Research
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (60.448 KB) | DOI: 10.12962/j25481479.v4i4.6360

Abstract

Content and Back Cover
The Use of Taguchi Method in Design of Dies Propeller Production Using CNC Machine Jadmiko, Edi; Wahyunugroho, Purwadi
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (359.627 KB) | DOI: 10.12962/j25481479.v4i4.5565

Abstract

Propeller is a rounded blade that rotates in a circle, helping to move a vehicle by pushing against water or air. A speed boat's propeller moves it forward by spinning against the water. Propellers use the laws of physics to propel, or drive forward, an aircraft or a boat. The basic structure of a propeller is a spinning or rotating the shaft with wide, curved blades attached to it. The very simplest propellers were first used in ancient Greece, where the inventor Archimedes invented a "screw propeller" that moved water for irrigating crops. A method for making propeller is to use a casting method with sand mold. In operating the sand mold can only be used for one use, and in the molding process must be reconstructed which of course requires cost and additional time so it is less efficient. Therefore, making a propeller with a permanent mold is the right solution. In this study, the design of dies propeller production process with CNC (Computerized Numerical Control) machine was designed using the MasterCam software simulation method. In addition, variations in machining parameters feed rate, retract rate and depth of cut were also carried out using the Taguchi method. From the research has known the step of dies propeller production process and the time for cutting that used to calculate the most efficient variable variation. Based on the simulation that has been done, for making dies propeller  requires ten steps of processing, there are facing, pocket, contour (top die), surface rough pocket, surface finish contour (top die), surface finish parallel, contour (bottom die), and surface finish contour (bottom die). From a series of work processes designed, the total processing time was produced for top die 729,17 minutes and cutting power was 9,734 kWh and for bottom die is about 1329,65 minutes and cutting power was 14,543 kWh.
Analysis of the Container Dwell Time at Container Terminal by Using Simulation Modelling Radifan Hassan; Raja Oloan Saut Gurning
International Journal of Marine Engineering Innovation and Research Vol 5, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.527 KB) | DOI: 10.12962/j25481479.v4i4.5711

Abstract

One of the parameters that affecting efficiency of container terminal is dwell time (DT). The more least the DT the more efficient a container terminal would be. As the government regulations of the Ministry of Transportation that stated in Number PM 25 in 2017 in Article 2 Paragraph 1 explains that the maximum dwell time must not exceed than 3 days. The purpose of this study is to identify the major factor of prolonged DT in a container terminal. The authors used discrete event simulation to model the system inside the container terminal operation by using Arena Simulation software. The Root Cause Analysis (RCA) is being used for the data analysis and finding the root cause. The container handling inside the container terminal data is collected, then the effect container of handling the equipment on dwelling time was testified by creating a model then analyzed. The result of the simulation is that there is a small impact from container handling equipment towards DT. From the Problem Tree framework that created based on the operational data and interviews. It shows that the most DT is contributed by the prolonged time of container stay at container yard.

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