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Journal : Indonesian Journal of Aerospace

RX-320 Rocket Static Pressure Combustion Chamber Prediction and Validation by Using Invers Method Sofyan, Sofyan; Wuwung, Vicky
Indonesian Journal of Aerospace Vol. 16 No. 1 Juni (2018): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2018.v16.a2866

Abstract

The static pressure data of the combustion chamber which can generally be obtained by performing direct measurements when static test is performed on the rocket is an important parameter in predicting the thrust and design of the combustion chamber of the rocket. However, there is a model rocket for flight test that is used in static test. Thus, there is no mounting for static pressure sensors (for measurement) are made. To solve the problem, then the inverse method is used as an iterative solution for the basic equations of the rocket thrust force in the nozzle by guessing the value of the static pressure of the combustion chamber firstly and calculate the iteration by including the value of the rocket thrust from static test data and the efficiency variation of the nozzle. The results of this calculation are then validated by using a 3D-CFD numerical simulation to obtain a more detailed comparison on the nozzle. In this research RX 320 LAPAN rocket nozzle with focus on maximum static thrust data of static test results is used. The 3-D numerical simulation is performed using Numeca CFD software, with k-extended wall extended turbulent model, numerical multigrid level 3 scheme, center based, and convergence criteria of 10 e-05. The result of calculation by inverse method and its comparison with numerical simulation shows that the smallest difference of the combustion chamber static pressure between inverse method and numerical simulation is 0.017%, that is achieved at 92% nozzle efficiency. At this point, the static pressure of the combustion chamber is 57.94 bar. From this point of view, the results of this comparison indicate that the inverse method can be used accurately for static pressure of the combustion chamber prediction, if the nozzle efficiency is given correctly. Furthermore, with given static pressure of the combustion chamber correctly, it will be very helpful in the design of the more optimum combustion chamber.
DESAIN DAN PENGUJIAN INTAKE KONIKAL SISTEM PROPULSI RAMJET PADA KECEPATAN SUPERSONIK (DESIGN AND TEST OF CONICAL INTAKE OF RAMJET PROPULSION SYSTEM AT SUPERSONIC SPEED) Sofyan, Sofyan; Bura, Romie Oktovianus
Indonesian Journal of Aerospace Vol. 13 No. 1 Juni (2015): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Riset ini bertujuan untuk mendesain intake supersonik untuk aplikasi sistem propulsi ramjet. Desain intake ramjet sangat penting bagi proses pembakaran dalam ruang bakar mesin ramjet. Dalam desain intake konikal ini, kondisi Mach 2 dijadikan sebagai acuan, dengan kompresi eksternal. Penelitian ini juga menguji intake ramjet dalam terowongan angin supersonik. Desain dilakukan dengan menempatkan gelombang kejut pada bibir cowl intake untuk memperoleh pressure recovery yang tinggi dan gaya hambat serendah mungkin. Hasil desain analitik dibandingkan dengan hasil numerik pada berbagai kondisi intake – subkritikal, kritikal, dan superkritikal. Hasil numerik juga divalidasi dengan eksperimen model. Intake yang didesain memberi pressure recovery sebesar 0,93, namun hasil ini cukup berbeda dengan hasil eksperimental. Ini disebabkan karena efisiensi kompresi tidak diikutkan dalam proses desain.
Co-Authors A Hadi Arifin Abdi Wijaya, Abdi Abdul Rahman Abdul Rosyid Abdul Wahab Achmad, Alamsyah Adibrata, Sudirman Adoma, Prince Owusu Adriyansyah, Nico Agung Febrianto, Agung Agung Nugroho Agus Widyantoro Ahamad Rizal Sultan Ahmad Afiif, Ahmad Ahmad Fudholi Ahmad Humam Hamid Ahmad Nayan Ahmad Rosyid ahmad yani Akbar, Arham Hafidh Akhmad Habibi Akhmad, Satriani Said Akhyari, Azki Al Haditzy, Ihzurt Aldia, Dia Alfit, Muh Ali Sadikin Ali, Raden Alimron, Alimron aljufri aljufri, aljufri Alqodri, Muhammad Faris Alvianingsih, Salma Amin, Syahril Amirul Mukminin Amrial, Amrial An-Nizha, Nurul Andi Sahri Alam Andre Mustofa Meihan Angelia, Fera Anggita, Tiara Angriyani, Silma Animah Animah Anizar Anizar Annisa, Syarifa Anugrah, Abdi Apri Junaidi, Apri Aprillitzavivayarti, Aprillitzavivayarti AR, Marzuki Arif Firmanyah Aris Triwiyatno Arman Maiwa Arni, Sitti Asia, Siti Nur asri, andarini Aulia, Zuriatul Auri, Christina Tyas Justipava Awaludin , Dipa Teruna Bachtiar , Muhammad Imran Bachtiar, Muh. Imran Baids, Fajrin Bakar, Bakar Bashir, Ashadi Baso Akib Bau Toknok Bayu Prasetyo, Bayu Boby Syefrinando Boymau, Inyel Suhadertia Budi Setiawan Bura, Romie O. Catherine, Yustiana Citra Ayu, Citra Citra Rosalyn Anwar Connery B, Irene Jane Danola Padang, Astri Daulay, Hermalina David Sarana Deassy Siska Dedi Dedi Dedy Afrizal Denny Denmar Dewi Tamara Dewi, Leolita Clara Puspita Dhiaul, Asyraf Dila Erlianti Dimas Agung Saputra Dyah Erti Idawati, Dyah Erti Eddy Haryanto Efendi, Muhammad Ichsan Eko Kuntarto Ervan, Ervan Erviana, Evi Evitulistiono, Rizki Failisnur, Failisnur Faiz Muqorrir Kaaffah Fajar Sidik Fasmadhy Satiadharmanto, Deddi fatimah Fatimah Febrianto Febrianto, Febrianto Ferizal, Jemi Firman Aziz Firman Firman Firmansah, Firmansah Fitiati, Andi Fitriana, Afriani Fridiyanto, Fridiyanto Fuad, Zakiul Ginting, Ledy Mahara Giyai, Nomensen Gunawan, Muhammad Safaat Gunawan, Robi Hadi Sirad, Mochammad Apriyadi Hafizah, Adisti Hamka Hamka, Hamka Hamzah, Muhammad Aqmal Muslimin Hansein Arif Wijaya Hartini, Dewi Sri Hary Soedarto Harjono Haryanto , Eddy Hasibuan, Indiriyani Haykal, Muhammad Hendra Pribadi Hendra Raza Hendra, Robi Hendri Hendri Herdiansah, Arief Heritawati, Ayunia Herman Fithra Hidaya, Fathul Hijeriah, E Maznah Hulu, Amati Eltriman Idrus, Muhammad Izzdin Ikhsan Darmawan Ilham Ilham Indra Indra Indra Mawardi Indrayani, Lilis Irwan Irwan Iskandar, Imran Ismail Ismail Istiqamah, Nurul Istiqomah, Heni Jamaludin . Juanda Juanda Judijanto, Loso Kartika Megawati Khaidil, Khaidil Khairullah, Khairullah Khairunnisa, Fitri Khurota'ayun, Khusna Komarullah, Umam Krismo, Alan La Wungo, Supriyadi Ladiva, Ladiva Lareke, Amir A Lari Andres Sanjaya Latif, Adam Latif, Muh. Ardiansyah Leni Maulinda, Leni Leppang, Irmawati Lestari , Agus Lestari, Agus Lisa, R Litna Nurjannah Ginting Lolita, Ristiani Lubis, Hendarman Lukman Hakim Lukman, Musfirah Putri M. Kurniawan, M. Mahdianto, Mahdianto Maizuar Maizuar Malik, Rahmalia Mamlukah , Mamlukah Mardewi, Mardewi Maulana, Eka Mawa, Daefitul Mayatopani, Hendra Megawati, Merti Meriatna Meriatna MILASARI, LISA ASTRIA Mirzania, Ira Misrah Misrah Muh. Rapi Muhammad Adam, Muhammad Muhammad Ikhwan Mardin MUHAMMAD MAHATIR Muhammad Nuzan Rizki Muhammad Safri, Muhammad Muhammad Sofwan Muhammad Syaifullah, Muhammad Muhammad Thahir Muhammad Yusuf Muhtadin Muhtadin Mujahidah, Nurul Mukhlis Mukhlis Mukhlish Hidayat Muliansyah, Dadah Mulya A, Muh Alyan Muslem Muslem, Muslem Mustanir, Ahmad Naim, Kurniawati Nasrun Nasrun Nasution, Fahrizal Nathania, F Nita, Nur Noor Fuad, M Nur Asia, Siti Nur Azizah Nurdiansyah, Muh. Nureni, Nureni Nurhidayah, Rika Nurmalita Nurmalita Nurrachmah, Elly Ode, Wahyuni L. Parulian, Pahala Pasaribu, Munawir Patmisari, Patmisari Pratama, Robin Priyadi, Catur Priyadi, Catur Puspita, Veny Puteh, Anwar Putra M, Hilton Tarnama Putra, Reza Putra, Riqky Ananda Qamal Qamal Rahman, KA Rahmatullah, Andi Muhammad Ridha Rahmawati, Nur Fitri Rahmi, Ulfa Rayandra Ashyar Reza Muttaqin, Reza Muttaqin Rizky, Sarvina Fitri Robi Soma Roeslan, Akhyar Rukmana, Siti Rusman, Ismaun Safira, Nadila Saiba, Derki Dibor Saleh, Husna Sandri, Sandri Sangka, Yuliana Sapari, Norazliani MD Sapriyadi, Wandi Saputra, Jumadil Sari, Dyan Prawita Sari, Helvi Mei Sari, Nur Intan Komala SAUDAGAR, FERDIAZ Sella Mawarni Serlly, Serlly Shafwan, Muhammad Shaliza, Fara Sirajuddin Sirajuddin Siregar, Nasyariah Siti Nandiroh Sitti Wetenriajeng Sidehabi Sodikin, Nur Solle, Muchtar Salam Sopialena . Sudirman, Feby Dehmi Sugesti, Nadzua Widya Sukarna, Ayuni Sukma, Melati Sulfianah Sulistiyo, Urip Suryadi, Andi Suryana, Edy Susanto, Agung Susianto Susianto SYAHRIAL SYAHRIAL Syatar, Abdul Syukur Umar Takahashi, Makoto Tangdibiri, Yakub Taufik, Muh Bambang Tersta, Friscilla Wulan Thaha, Sarma Tonapa, Jennis Towansiba, Esau Ulfa, Raudhatul Umar Muhammad Umar, Kusnadi Usman Usman Usman Usman Wahyu Adi Wardy Putra, Trisno Wesli Wesli Wibowo Heru Prasetiyo Widiati, Bibiana Rini Wilyanti, Liza Septa WINDA TRISNAWATI Wulandari, Bunga Ayu Wuwung, Vicky Yammes J. Batkunde Yani, Firda Tirta Yarkuran, Nuru Yesy Afrillia Yusuf, Nuraini Yuwarti, Harti Yuwarti, Harti Zahra, Puji Febrian Zikri, Irfan Zulkarnain Zulkarnain Zurweni Zurweni