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All Journal Jurnal Teknik Mesin Jurnal Teknik ITS IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Teknik Kimia Journal of Engineering and Technological Sciences Journal of Energy, Mechanical, Material and Manufacturing Engineering Sewagati
Gunawan Nugroho
Department Of Engineering Physics, FTI, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya 60111
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Jurnal Teknik Kimia

 1 
PENYELESAIAN SOLITON PADA PERSAMAAN GELOMBANG Nugroho, Gunawan
Jurnal Teknik Kimia Vol 1, No 2 (2007): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v1i2.68

Abstract

The wave equation is reviewed in this research. Soliton solution of wave equation can begenerated by two constrains according to spatial dispersion. Method that used in current investigation isperiodic solution of wave equation transformed to soliton by utilizing power series. The results are thengeneralized. One dimesional analysis shows that the constrains is trivially fulfilled, but two and threedimensional studies show that nonlinear term is appeared, therefore the problems are not easily solved.Keywords : Wave equation, soliton, dispersion
ON THE CALCULATION OF GAS DISTRIBUTION FUNCTION BY UTILIZING TIME DEPENDENT TEMPERATURE Nugroho, Gunawan
Jurnal Teknik Kimia Vol 5, No 2 (2011): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v5i2.140

Abstract

The method for determining gas distribution function is reconstructed. In this study, theBoltzmann equation is bypassed by converse method. The temperature change is specified first inorder to determine the distribution function. The argument of this method is explained both byanalytically solving Bolztmann equation and pure probabilistic consideration in statisticalthermodynamics. Boltzmann equation is solved by modeling collision terms with severalassumptions and It is found that the results are similar. On the other hand, probabilistic methodgives no rigorous physical understanding so it offer several justifications about the resultingdistribution function. The calculation shows that the distribution function is totally Maxwellian inall cases. The temperature dependency only affects the peak value and the shape curve. It is foundthat more slender curve is resulted in higher temperature and quick sampling data is required toprobe the rapidly change temperature processes.Key words : Boltzmann equation, modeling collision, probabilistic method, the distributionfunction
Co-Authors Aank Suseno Abdurrahman Rahyang Tutuko Adhana Tito Hary Wibowo Adia Cahya Purnama Agung Dwi Sulaksono Agus Imam Sonhaji Agus Imam Sonhaji, Agus Imam Agus Muhammad Hatta Akhmad F. Alhikami Akhmad F. Alhikami, Akhmad F. Aulia Muhammad Taufiq Nasution Aulia Siti Aisjah Detak Yan Pratama Eka Puji Kurniawan Halen Dinata Atmaja Hamidah, Nur Laila Herman Sasongko Heru Mirmanto Hudiyo Firmanto, Hudiyo Iwan Cony Setiadi, Iwan Cony Joko Waluyo Kadek Chestha Amrita Masrufaiyah Masrufaiyah Mohammad Adenan Ni Putu Rika Puspita Dewi Ola Dwi Sandra Hasan Putu Angga Kristyawan Rachmad Andri Atmoko Raditya, Murry Ridho Bayuaji Ridho Hantoro Ruri Agung Wahyuono Sangadji, Anisa Sarwono SATRIYAS ILYAS Sekartedjo Sekartedjo Totok R Biyanto Totok R. Biyanto Totok R. Biyanto Totok Soehartanto Wahyu Hendra W Yusuf Wibisono Zaini, Ahmad