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Contact Name
Vivien Suphandani Djanali
Contact Email
jmes@its.ac.id
Phone
+62315922941
Journal Mail Official
jmes@its.ac.id
Editorial Address
JMES The International Journal of Mechanical Engineering and Sciences Editorial Office Jurusan Teknik Mesin, ITS Kampus ITS Sukolilo Surabaya 60111 Building C, Floor 2 Indonesia
Location
Kota surabaya,
Jawa timur
INDONESIA
JMES The International Journal of Mechanical Engineering and Sciences
ISSN : -     EISSN : 25807471     DOI : https://dx.doi.org/10.12962/j25807471
Topics covered by JMES include most topics related to mechanical sciences including energy conversion (wind, turbine, and power plant), mechanical structure and design (solid mechanics, machine design), manufacturing (welding, industrial robotics, metal forming), advanced materials (composites, nanotube, metal foam, ceramics, polymer), metallurgy (corrosion, non-destructive testing, heat treatment, metal casting), heat transfer, fluid mechanics, thermodynamics, mechatronics and controls, advanced energy storage and devices (fuel cell, electric vehicle, battery), numerical modelling (FEM, BEM).
Articles 5 Documents
Search results for , issue "Vol 8, No 2 (2024)" : 5 Documents clear
Prototyping of Regenerative Braking System Based on Hybrid Energy Storage System in Electric Vehicle Prototype E-Trail Bangkits Romadhon HS, Maulana Ray; Sudarmanta, Bambang
JMES The International Journal of Mechanical Engineering and Sciences Vol 8, No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.19865

Abstract

The use of a Hybrid Electrical Energy Storage System (HESS) using a battery and supercapacitor in regenerative braking system on BANGKITS E-Trail prototype has the potential to offer greater power density and cycle life. The aim of the study was to maximize the recovery of energy during braking using the system, while improving the performance of E-Trail BANGKITS. The proposed regenerative braking system based on HESS was designed and fabricated while considering energy recovery capacity, and maximum electsamarical load. After fabrication, the system was tested for its efficiency, in energy recovery and to drive the vehicle using recovered energy. The tests were conducted in two steps, which are stationary, and dynamic tests, using a variation of motor and vehicle speed. The results of the tests showed in regenerative mode, system can recover up to 4410 J of energy with 41% efficiency with ascending trend as motor speed increases, while in drive mode, system can successfully drive the vehicle at 1430W power draw, and 14.8s of discharge time. In vehicle performance test, system was capable of generating braking force of 427.92N at 36% braking contribution. System can also extend the driving range of the vehicle by 2.4% of test route distance.
The Shear Layer of I-53° Type Cylinder as Passive Control for Main Cylinder Drag Force Modification: A Numerical Analysis Louis, Hendri; Sakti, Gunawan; Widodo, Wawan Aries; Aisyah, Imaniar Fitri
JMES The International Journal of Mechanical Engineering and Sciences Vol 8, No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.15014

Abstract

Numerous engineering disciplines have conducted a substantial study on cylinder-flowing airflow. There are several engineering uses for this flow arrangement, and it remains one of the primary research issues in aerodynamics. Due to the separation of the flow passing through the cylinder, the circular cylinder shows a significant dynamic drag. Ansys Fluent® was used in this study to construct the aerodynamic forces of the central cylinder and its disturbance in laminar flow in 2D. This investigation was conducted using the main cylinder with a diameter of 60 mm, an I-53o type disturbance cylinder, a space of s/D=1.375 between the two cylinders' central points, and a Reynolds number Re = 5.3 × 104 at velocity U = 14 m/s. The transition k-kl-ω (3 eqn) turbulence model was used in this simulation. By comparing various measuring parameters between single and tandem cylinders, this study showed that tandem cylinders offer good aerodynamic performance. The investigated measurement parameter is the coefficient of pressure (Cp), representing the degree of separation delay surrounding the central cylinder. The lift coefficient (CL) reduces by 15%, the coefficient of drag (CD) drops by 46.95%, and the appearance of the pressure and wind speed contours depicted the separation delay and decrease in pressure drag.
Influence of Front and Rear Wings on Aerodynamic Forces in a Student Formula Car Noor, Dedy Zulhidayat; Mirmanto, Heru; Anzip, Arino; Sasongko, Herman
JMES The International Journal of Mechanical Engineering and Sciences Vol 8, No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.21073

Abstract

Aerodynamic forces affect the stability of a car when moving, especially when turning. This study conducted a CFD analysis of the influence of wings on the student formula car when turning. The addition of front and rear wings to the formula car increases drag, downforce, and side forces. Except for an airplane that is landing, large drag forces are always avoided, as well as side forces that can interfere with vehicle stability. Interestingly, in contrast to drag and downforce, the coefficient of side forces tends to decrease as cornering speed increases. The increase in downforce or negative lift in this formula car is more dominant and significant than that in the others, and it is very beneficial in increasing wheel grip and traction on the car’s stability when turning
Simple Bond-Graph Model To Predict Dried Material Temperature Evolution in A Batch Type Rotary Dryer Waluyo, Sugeng; Ardiansyah, Ardiansyah; Latifasari, Nurul; Kartiko, Condro; Arsil, Poppy; Wicaksono, Rumpoko; Aliim, Muhammad Syaiful; Naufalin, Rifda
JMES The International Journal of Mechanical Engineering and Sciences Vol 8, No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.14934

Abstract

In this work, we model temperature evolution inside a batch type rotary dryer by using the bond-graph method. The evolution model proposed here is mainly developed to predict dried material temperature inside the dryer during drying process. We implement the model in the 20-SIM bond-graph simulator (Controllab Products, the Netherlands) which shows realistic behaviors of the dried material temperature evolution with different combustion scenarios and rotation speeds.
Calculation of Lighting Capacity on The Pinisi Tourist Ship Using the Zonal Cavity Method Suardi, Suardi; Setiawan, Wira; Alamsyah, Alamsyah; Wulandari, Amalia Ika; Pawara, Muhammad Uswah; Raditya, Muhammad Yogi; Rifai, Muhammad
JMES The International Journal of Mechanical Engineering and Sciences Vol 8, No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.17251

Abstract

Pinisi tourist ship is one of the tourist ship designs made to increase the interest of tourists to come to Taka Bonerate National Park. This tourist destination presents excellent maritime beauty, especially its coral reefs. Just like ships in general, pinisi also requires a supply of electricity, especially for use in lighting on board. This research aims to analyze the need for lighting power on board, by carrying out the concept of a tourist ship, the lighting system is also made like in a hotel with the aim of pampering tourists. In planning, the lighting system is made into two conditions, namely conditions during sleep and normal conditions. The type of lamp used is an LED lamp which is proven to be better than other types of lamps. The method used is the zonal cavity method or usually called the lumen method. The advantage of this method is that the power of the lights used in the room will be just right according to the needs of the room, neither more nor less, so it won't interfere with your eyesight because the lights don't feel dim or too bright. The results obtained were the following values for each Junction Lighting (JL), bottom deck (JL1) obtained a value of 0.419 kW, main deck (JL2) obtained a value of 1.058 kW, upper deck (JL3) obtained a value of 0.893 kW. The calculation value for the Junction Emergency (JE) was also obtained at 0.506 kW.

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