Hidayatulloh, Dzul Fikri (2019) Analisa Balistik Eksternal Melalui Computational Fluid Dynamics Untuk Optimasi Desain Peluru Frangible. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Peluru frangible adalah jenis peluru yang diciptakan untuk mengurangi peristiwa richocet atau backsplash. Konfigurasi sifat dari peluru frangible ini sangat perlu diperhatikan terutama pada sifat balistik eksternalnya. Sifat balistik eksternal proyektil banyak berhubungan dengan gaya aerodinamis dari proyektil tersebut dimana gaya aerodinamis banyak dipengaruhi oleh desain dari proyektil tersebut. Oleh karena itu diperlukan optimasi dari desain peluru frangible agar gaya aerodinamis dari peluru frangible ini dapat maksimal sehingga peluru dapat mencapai target dengan akurat dan presisi. Untuk mendapatkan desain yang optimum perlu adanya penelitian lebih lanjut dengan menggunakan penelitian secara numerik dan permodelan komputasi dinamika fluida (CFD). Optimasi dari desain proyektil dilakukan pada bagian ogive dan boattail dari proyektil dengan menggunakan metode Response Surface Methodology. Dari hasil penelitian didapatkan bahwa ukuran optimum dari ogive dan boattail dari peluru frangible didapatkan masing-masing sebesar 18,4545 mm dan 0,75 mm. Dari desain ini didapatkan koefisien drag sebesar 1,1045 dan energi kinetik sebesar 487,40 Joule. ================================================================================================
Frangible bullets are a type of bullet created to reduce richocet or backsplash events. This configuration of the nature of the frangible bullet needs to be considered especially in its external ballistic properties. The external ballistic properties of projectiles have a lot to do with the aerodynamic force of the projectile where the aerodynamic force is much influenced by the design of the projectile. Therefore it is necessary to optimize the design of frangible bullets so that the aerodynamic forces of frangible bullets can be maximized so that the bullets can reach the target accurately and precisely. To get the optimum design, further research is needed by using numerical research and computational fluid dynamics (CFD) modeling. Optimization of projectile design is carried out on the ogive and boattail parts of the projectile using the Response Surface Methodology method. The results showed that the optimum size of ogive and boattail from frangible bullets was 18.4545mm and 0.75mm respectively. From this design the drag coefficient is 1.1045 and kinetic energy is 487.40 Joules
Item Type: | Thesis (Undergraduate) |
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Additional Information: | RSMt 620.106 4 Hid a-1 2019 |
Uncontrolled Keywords: | Peluru Frangible, Balistik Eksternal, Computational Fluid Dynamics, Optimasi Desain, Response Surface Methodology |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA357 Computational fluid dynamics. Fluid Mechanics |
Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
Depositing User: | Dzul Fikri Hidayatulloh |
Date Deposited: | 16 Sep 2021 08:02 |
Last Modified: | 16 Sep 2021 08:02 |
URI: | http://repository.its.ac.id/id/eprint/60267 |
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