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Irza Sukmana
Contact Email
irza.sukmana@gmail.com
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+6281294836432
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editor.jaset@gmail.com
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Jalan Nunyai Indah Block C no. 6A, Rajabasa, Bandar Lampung 35143, Indonesia
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Journal of Applied Science, Engineering and Technology (J. ASET)
Published by INSTEP Publishing
ISSN : 27228371     EISSN : 27228363     DOI : https://doi.org/10.47355/aset
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering
J.ASET is published by INSTEP Publishing Indonesia and it focuses on all subjects in engineering, applied sciences, and vocational studies, they are including but not limited to: Mechanical and Manufacturing Industrial Engineering Chemical and Environmental Engineering Computer and Information Technology Electrical and Telecommunication Material and Mining Civil Engineering Architecture and Urban Planning Geophysics and Geodetic Engineering Vocational Engineering Studies Mathematics and Applied Sciences Medical Science and Biomedical Engineering Agricultural Engineering and Technology Interdisciplinary research
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 3 Documents
 1 
Search results for , issue "Vol. 4 No. 2 (2024): December 2024" : 3 Documents clear
Design And CFD Analysis of A 250 Kg Capacity Boat For Access Between Small Islands In The Lampung Tourism Area Nazarrudin, Rizal; Sabiqunassabiqun
Journal of Applied Science, Engineering and Technology Vol. 4 No. 2 (2024): December 2024
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/jaset.v4i2.66

Abstract

Characteristics from design boat capacity 3-4 people or 250 kg good for used access between island small in area tour with depth shallow base. The resistance of the boat's hull when operating plays an important role in knowing the power required by the boat. This is very important in designing a hull. Therefore, in design This will be done in numerical simulation using Computational Fluid Dynamics (CFD) to know how much power is required by the boat with a number of variation speeds. Design simulation moreover formerly created in Autodesk Inventor software, then design that has been designed will be simulated using the Ansys Fluent CFD application program. The data variables used in simulation numeric using varying speed limits namely 20 knots, 16 knots, 12 knots, 8 knots, and 4 knots, as well as condition rate flow is turbulent, wall side and top is symmetry, and the part the design that will be simulated is part hull the boat that sank in the water. The result of simulation numeric boat 250 kg capacity indicates a number of pressure and velocity contours of part hull as well as obtained Power highest at a speed of 20 knots 13938.511 Watts.
Effect of Changing Point Angle and Helix Angle Values of Drill Bit on Bone Drilling Simulation Eko Wahyu Saputra; Mochammad Resha
Journal of Applied Science, Engineering and Technology Vol. 4 No. 2 (2024): December 2024
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/jaset.v4i2.69

Abstract

Abstract: Orthopedic surgery treats disorders of the bones and soft tissues, especially in cases of accidental fractures. One method of fracture healing is to place plates and bolts in the bone. However, the drilling process for plate installation can cause an increase in temperature around the drilling area, which risks causing necrosis in the bone. This study aims to examine the effect of drill bit design on the temperature generated during bone drilling. Modifications to the point angle, helix angle of the drill bit can reduce the temperature during drilling. The results of this study suggest that optimizing the drill bit design can reduce the risk of necrosis and improve drilling efficiency, which can accelerate the healing process of broken bones. Keywords: Orthopedic surgery, bone fracture, drilling temperature, drill bit design, necrosis.
Design and Analysis of a Ten-Passenger Electric Aircraft Named Djinn Mulyanto, Taufiq; K Musyahada; F Carakapurwa; F Jatmiko; C Puspaningtyas; F Hanafi; Huda, Zulmiftah; Hamdani, Fadil
Journal of Applied Science, Engineering and Technology Vol. 4 No. 2 (2024): December 2024
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/jaset.v4i2.72

Abstract

As aircraft industries contribute more than 12% of the carbon emission globally, the urgency to develop a more sustainable and reliable source of energy to power aircrafts has become greater. Regarding that concern, an electric-powered aircraft is proposed to become the solution for the search of green technology. An electric aircraft has been proven to be capable of reducing carbon emission and sound emission. Despite of the advantages, the use of electric aircraft is still very scarce since there are a lot of considerable issues such as low energy density power sources, reliability problems, and the lack of design references. As a contribution for the development process, an electric aircraft by the name of “Djinn” has been designed, in hope that this aircraft can be an addition to the references for future endeavors. The methods used for designing the aircraft is similar as the methods used for developing conventional aircrafts, with slightly modified approximation and assumptions.

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