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International Journal of Marine Engineering Innovation and Research

ijmeir
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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 1,114 Documents

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Impact Analysis of Trim Tab Inclination Angles Variation to Propulsion Power Requirement of 6 Meterâ€™s Speed Boat Amiadji, Amiadji; Baidowi, Achmad; Nanda Oktova, Aufal
International Journal of Marine Engineering Innovation and Research Vol 6, No 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Determining the ship's propulsion power requirements is one of the most crucial things in ship design which is related to the ship's resistance. One of the causes of the high value of a ship's resistance is excessive trim of the ship. Therefore it needs a mechanism to overcome this, it can be by applying trim tabs. The trim tab is a small surface mounted on the ship's transom that can be adjusted according to the conditions of the ship. By adjusting the angle of the trim tab to be larger, it can increase the lift force and torque moment at the stern of the ship which can reduce the trim of the ship. Based on the boatâ€™s characteristics, referring to the guide from Bennet Marine, the appropriate trim tabâ€™s geometry for this boat is a trim tab with a span width of 18â€ (46 cm) and a chord length of 9â€ (23 cm). After selecting the trim tab geometry, then analyzing the resistance and trim of the ship using the CFD method. Through CFD simulation, trim tab with an angle of 15â° can reduce the value of the ship's resistance to 17.25% and for the trim can be reduced to 46.72%. Then after the ship's propulsion power requirements calculation, it is shown that the trim tab with an angle of 15â°, a reduction of 11.56% is obtained from 78.854 kW to 69.741 kW.

Content and Back Cover International Journal of Marine Engineering Innovation and Research
International Journal of Marine Engineering Innovation and Research Vol 6, No 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Thrust and Torque Analysis on Propeller C4-40 with The Addition of Kort Nozzle to Pitch Variation Irfan Syarief Arief; Achmad Baidowi; Maria Ulfa
International Journal of Marine Engineering Innovation and Research Vol 6, No 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

At this time there are various types of propellers, one of which is the CPP propeller (Controllable pitch propeller). The CPP propeller can change pitch angles, and at certain pitches it can pull the ship backwards without having to change the rotation. But keep in mind that the CPP has only one pitch design where changing the pitch position means reducing the efficiency of the propeller. So it takes a kort nozzle to increase efficiency. The addition of a kort nozzle is one of the developments of an Energy Saving Device (ESD) which in addition to increasing efficiency it is also able to increase the thrust. Problem formulation of this research is to find out changes in thrust, torque and efficiency on the propeller CPP C4-40 after the addition of kort nozzle 37. This research begins with determining the dimensions of the propeller, also the types and dimensions of the nozzle. Then the design and drawing of the propeller C4-40 with a kort nozzle 37 was carried out for pitch changes of 0°, 22.5° and 45°. The next step is a meshing process where each pitch the number of meshing ranges from 2.3 to 3.5 million cells. The last step is to simulate the performance of the propeller with the nozzle using software based on Computational Fluid Dynamic. From this research, it can be concluded that the addition of kort nozzle 37 on the propeller C4-40 changes the thrust, torque and efficiency values significantly. Thrust only increased at pitch 0° J 1.4 and pitch 22.5°. The greatest increase in thrust at pitch 22.5° J 0.6 is 88.74%. Torque is reduced except for pitch 0° J 0.8-1.4. The biggest decrease in torque at pitch 45° J 1.2 is 83%. Meanwhile efficiency has decreased at all pitch angles. Where the biggest decrease in pitch 45° J 1 is 99.83%.

Offshore Electric Ship Charging Station: a Techno-Economic Analysis Cawas Phiroze Nazir
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Diesel emissions from ships are some of the largest contributors to greenhouse gas emissions (GHG). This paper proposes the feasibility of implementing grid-like batteries- onboard ocean-going vessels along with an offshore electric charging station (OECS) to offer fully electric sailing across longer distances. The (OECS) is proposed to be built in deep waters along commercial shipping routes. Such an installation has a floating solar plant, in conjunction with a battery energy storage system to meet the charging demands of an all-electric ship (AES). The technology was evaluated based on a case study of an AES cargo vessel traveling between Mumbai and Dubai with a one-stop midway (at an OECS) for recharging batteries. When compared to a diesel ship, the AES showed savings of 5,627,293liters of diesel/yr and a reduction of 19,823 tonnes of CO2. The study shows that the integration of an OECS along with the AES concept is feasible, and represents a major milestone in bringing emission-free technology to the marine sector.

Exploiting Marine BD to Develop MLDB and Its Application to Ship Basic Planning Support Mohammad Danil Arifin; Fanny Octaviani
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Recently, the global marine logistics industry has changed significantly because of the global movement of goods. Where the amount of available data and attention paid to extensive data analysis in various topics exponentially grows, it is possible to obtain vast amounts of marine BD. However, the collection of BD groups is difficult to organize and frequently redundant. This is why the database can be so important. If these BD are effectively utilized, great innovation can be achieved in the marine industry. In this study, we develop a marine logistics database to ship basic planning support in the future. The database under study consists of BD sets, i.e. port, ship, route, international trade, and ship operation information from automatic identification system data. As a result, the relational database was developed. The effectiveness of the database is evaluated and extracted data from the database necessary for ship basic planning is discussed.

Damage Stability Behavior Analysis of a Cruise Liner Using Computer-Aided Design (CAD) Nitonye Samson; Feniobu Chris Feniobu; Onyeagba Chukwukamagoi Whizfreeman
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

The paper uses more recent scientific and regulatory developments on the damage stability of ships to analyze damage stability of a vessel. The use of CAD in the analysis of several bulky and complex problems facing the maritime sector with respect to ship design and construction has helped reduce human error while more efforts are still made which will possibly eradicate these errors and ensure efficiency in the design and construction of ships. Some softwares are available in the market to support this analysis, as this paper searches to expose the effect on the design and the positive impact on design CAD can if properly integrated into the industry, to this end we used an already existing model of the vessel, made a model of it using the Bentley MaxSurf and then made floodable length analysis using various bulkheads at the fore, aft, and midship region. Thus, generating the graph of floodable length and the various allowable floodable length parameters at different stations.

Analysis of Indonesian Naval Ship Maintenance Strategy at Jakarta Military Sea Lift Unit to Support Sea Transportation Mei Edi Prayitno; Aries Sudiarso; Dohar Sianturi
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

The background of the research is the limited readiness of ships at the Jakarta Military Sea Lift Unit caused by the age of most of the ships more than 20 years. The purpose of the study was to analyze the strategy of maintaining ship readiness through system maintenance activities. The research method is quantitative with a survey approach with an analysis model based on Strength, Weakness, Opportunity, and Threat (SWOT). Research respondents are purposive sampling that have relevance in the field of ship maintenance. The results showed that to improve ship readiness through maintenance systems, was carried out by increasing the capabilities of human resources, Management Planned maintenance systems, The availability of spare parts, and the capability of the Ship Maintenance Facility Unit. The improvement of personnel capabilities and skills is carried out through training activities in collaboration with the original engine manufacturer (OEM). This ship maintenance system is based on a planned maintenance system supported by the availability of spare parts and the capability of Ship Maintenance Facility Units. Contribution of the research to maintain the readiness of ships to support operational activities, which has implications for the readiness and sustainability.

Performance Analysis of Screw Turbine Design with Additional Flaps Modification Using Computational Fluid Dynamics Method Juniarko Prananda; Eddy Setyo Koenhardono; Noerendik Fuathur Farhan
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Renewable energy is a type of alternative energy that can be utilized to generate electricity. Wind energy is one of the renewable energy sources. Because of Indonesia's equatorial location, the wind characteristics are moderate, with wind direction and speed changing frequently. To harvest wind energy, it is therefore vital to diversify the types of wind turbines. A screw turbine, also known as an Archimedes screw turbine or a screw turbine, is a type of wind turbine that is often employed in micro hydropower plants. The great efficiency of this turbine is a benefit. This screw turbine will use a Horizontal Axis Wind Turbine (HAWT). The advantage of using the horizontal axis over the vertical axis is that the rotor's efficiency is higher. The screw turbine was changed in this study by adding flaps to boost torque and rpm performance while also increasing wind catchment. The model design with the inclusion of 3 cm flaps with a flap angle of 30° has a high torque and angular velocity with a torque value of 0.00609 Nm and an angular velocity of 12.55 rad/s at an airflow velocity of 3.4 m/s, according to the results obtained from model simulation using CFD (119,84 RPM). Power Coefficient (CP) = 0.00659, Torque Coefficient (CQ) = 0.01990, and Tip Speed Ratio (TSR) = 0.331357.

Phytochemicals and Antioxidant of Seaweed Tea Padina Australis Rachmawati, Nandya Fitri; Nuryanti, Ika Faiz; Adharani, Nadya
International Journal of Marine Engineering Innovation and Research Vol 6, No 4 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

seaweed contains bioactive compounds that can be used to support human health. One of the seaweeds that are widely found in Indonesia is seaweed / brown algae. An example of brown algae, one of which is Padina australis. Padina australis is a seaweed that contains many bioactive compounds, such as alkaloids, flavonoids, saponins, tannins, and antioxidants. However, Padina australis is not widely applied and used in processed food products. So in seaweed research, Padina australis is used as seaweed tea. In this study, Padina australis seaweed tea was carried out the difference in length of immersion with hot water and the treatment of immersion time is 0 minutes, 5 minutes, 10 minutes, and 15 minutes. The bioactive compounds studied are alkaloids, flavonoids, saponins, tannins, and antioxidant activity. The results showed that the difference in immersion time there are bioactive components in the form of phytomias contained in Padina australis tea, among others: alkaloids, flavonoids, tannins, and saponins in each treatment (0 minutes, 5 minutes, 10 minutes, and 15 minutes). In the test the highest antioxidant activity on P4 treatment (15 minutes) was 47.7% and for the lowest on treatment P2 (5 minutes) by 44.8%.

Effect of Differences in Temperature and Storage Time on The Number of Microbes in Fresh Lemuru Fish (Sardinella lemuru) Nandya Fitri Rachmawati; Siti Tsaniyatul Miratis S.
International Journal of Marine Engineering Innovation and Research Vol 7, No 1 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

lemuru fish is a pelagic fish that is widely found in Indonesian waters that have an economical selling price. Fish is a food that is easily damaged so it requires good and correct handling. The purpose of this study was to determine the effect of temperature and storage time on the number of microbes in fresh lemuru fish. This study uses a quantitative research design. The treatment in this study was carried out with 2 treatments of differences in temperature and time. The number of microbes obtained at 00C at storage time for 0 hours (10,1 x 104 colonies / ml), 24 hours (8,8 x 104 colonies / ml), and 48 hours (6,3 x 104 colonies/ml). At 50C at storage time for 0 hours (10,2 x 104 colonies/ml), 24 hours (9,8 x 104 colonies/ml), and 48 hours (9,0 x 104 colonies/ml). At 270C at storage time for 0 hours (10,4 x 104 colonies/ml), 24 hours (23,3 x 104 colonies/ml), and 48 hours (29,8 x 104 colonies/ml). In conclusion, the longer the storage time of lemuru fish with low temperatures, the number of microbes that grow is small.

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Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember Surabaya Indonesia

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Jawa timur

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Prof. Dr. Semin

Contact Email seminits@gmail.com

Phone +6283856825999

Journal Mail Official ijmeirjournal@gmail.com

Editorial Address Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember Surabaya Indonesia

Location Kota surabaya, Jawa timur INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Prof. Dr. Semin

Contact Email
seminits@gmail.com

Phone
+6283856825999

Journal Mail Official
ijmeirjournal@gmail.com

Editorial Address
Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember Surabaya Indonesia

Location
Kota surabaya,

Jawa timur

INDONESIA