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All Journal Angkasa: Jurnal Ilmiah Bidang Teknologi Compiler Vortex

Bangga Dirgantara Adiputra

Institut Teknologi Dirgantara Adisutjipto

Author-ID : 5273511

Aerospace Engineering Computer Science & IT Earth & Planetary Sciences Energy Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS TERBANG MELUNCUR (GLIDE FLIGHT) PESAWAT TERBANG STTA-12MXA bahrun bahrun; Bangga Dirgantara Adiputra
Vortex Vol 1, No 1 (2020)
Publisher : Institut Teknologi Dirgantara Adisutjipto

In designing the STTA-12MXA aircraft, analysis of the ability of the glide is one of the important aspects. The analysis was carried out using a numerical approach. There are 2 scenarios used to see the ability of the glide, namely the maximum distance and maximum flight time. The results showed that the maximum distance that the STTA-12MXA aircraft could reach when glide from 13500 ft is 64 km and for the maximum flight time is 23 minutes.

RELIABILITY ANALYSIS OF MAIN ROTOR EC 155B1 ON PIN BLADE AND ATTACH BEAMS COMPONENTS USING MARKOV ANALYSIS Irvan Aditiya; Lazuardy Rahendra Pinandhita; Bangga Dirgantara Adiputra
Vortex Vol 3, No 1 (2022)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Reliability is used to estimate the conditions of systems or components in the future based on previous conditions. The objects of this research are EC 155B1 aircrafts owned by Indonesia Air Transport & Infrastrucure (IAT), and the method used for analysis is markov analysis. Markov analysis is widely used as an analyzing technique the states of the system that has limited information (memoryless). From this research, ATA chapter 62 Main Rotor that meets the requirements of reliability analysis. The constituent components of main rotor states are Pin Blade, Lower Attach Beam, and Upper Attach Beam. The results of the markov analysis of main rotor system, the states that worked properly are state 1, state 3, and state 4. The probability of the state 1 showed that state has decreased from initial condition, while the state 3 and state 4 have increased from initial condition and subsequently have decreased. The reliability of main rotor system has decreased along with increasing of flight hours with the Mean Time To Failure (MTTF) is 2340.22 flight hours.

Design And Analysis of CFD Geometry Configuration Canted Winglet Toward Aerodynamic Characteristic on Wing Profil of The UAV LSU-05 NURUL ANWAR; Lazuardy Rahendra Pinandhita; Bangga Dirgantara Adiputra
Vortex Vol 2, No 1 (2021)
Publisher : Institut Teknologi Dirgantara Adisutjipto

The wing is part of an aircraft or UAV which has a function as a major component of producing lift, therefore if a problem occurs such as a vortex at the end of the wing it will affect its performance capability. This study aims to determine the condition of the airflow, the value of induced drag, and the selection of the design of the wingtip devices on the wing profile of the UAV LSU-05. The method used is numerical or computational methods with CFD-based software to predict the aerodynamic characteristics and phenomenon of airflow around the wing with wingtip devices and without it. The model used in this study is a half-wing LSU-05 with NACA 4415 made with CATIA V5R20 software and the simulation uses ANSYS CFX 17.1. Based on the previous simulation results, it was found that the application of the canted winglet geometry to the wing profile of the UAV LSU-05 affects the coefficient lift (CL)/coefficient drag (CD) value and induced drag. Whereas the coefficient lift (CL)/coefficient drag (CD) value before using the canted winglet was 18.904 after application, increased to 21.616, this causes the induced drag value to change inversely with the coefficient lift (CL)/coefficient drag (CD) value where the value before the application was 30.4181 N to 29.0566 N.Keywords: Canted Winglet, CFD, Wing

ANALISIS KESIAPAN PKP-PK BANDAR UDARA INTERNASIONAL BANYUWANGI DALAM MENDUKUNG PENANGGULANGAN KEADAAN DARURAT Muhammad Nur Hilmy; Gunawan Gunawan; Bangga Dirgantara Adiputra
Vortex Vol 4, No 1 (2023)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v4i1.1457

PKP-PK is a unit that must be owned by every airport. This unit is tasked with carrying out aviation accident rescue and fire fighting in the area or around the airport. Seeing the importance of this unit, it is necessary to conduct research on emergency service facilities, find out the reaction time, analyze PKP-PK categories, analyze fire risk management, and the development of this unit. This research was conducted at the PKP-PK unit located at Bayuwangi International Airport. The research method used is descriptive quantitative where data is obtained from the results of questionnaires given to PKP-PK personnel. These data are then compared with Regulation Nomor KP 14 Tahun 2015 which is used to assess the readiness of the PKP-PK. Whereas for risk mapping using the FAA Risk Matrix table. The results show that there is still a shortage of operational facilities while the reaction time and PKP-PK categories are in accordance with regulations. Risk mapping obtains 4 events that have a potential hazard.

ANALISIS BENDING PADA KOMPOSIT SERAT ALAM DAUN AGEL DENGAN RESIN EPOXY stevward sahuburua; Dwi Hartini; Bangga Dirgantara Adiputra
Vortex Vol 4, No 2 (2023)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v4i2.1696

The use of composite materials, especially those developed by natural fibers in various equipment, has begun to develop a lot, the use of natural agel leaf fibers as composite materials can reduce the use of synthetic materials and increase the utilization of agel leaf natural fibers which are still a lot of wasted. This study aims to determine the stages or processes of agel leaf natural fiber composite using 2 methods of hand lay up, vacuum bag and to determine the value of the bending strength of agel leaf natural fiber material between variations of the epoxy matrix in the direction of the fibers 0^° and 〖90〗^°.Based on the data from the test results, it can be concluded that the average value of maximum bending strength in agel leaf natural fiber composites using the vacuum bag manufacturing method with a volume fraction of 60% and fiber direction 0^° and 〖90〗^° has an average maximum bending strength value that is the highest, namely 11.006 MPa and 11.057 MPa and the composite of agel leaf natural fiber using the hand lay up method (non vacuum bag) with a volume fraction of 50%, 60%, 70% and fiber direction 0^° has the lowest average maximum bending strength values of 3.413 MPa, 5.404 MPa, 4.625 MPa.

Co-Authors Agus Basukesti Agus Basukesti, Agus Agus Rohmanto Ariska Hidayat bahrun bahrun Dwi Hartini Gunawan Gunawan Hidayat, Ariska Irvan Aditiya Lazuardy Rahendra Pinandhita Lazuardy Rahendra Pinandhita Muhammad Irfan Muhammad Irfan Muhammad Nur Hilmy Nurcahyani Dewi Retnowati Nurcahyani Dewi Retnowati NURUL ANWAR Rianto Rianto Sri Mulyani stevward sahuburua

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