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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Kelautan Nasional Wave: Jurnal Ilmiah Teknologi Maritim Archipelago Engineering Makara Journal of Technology
I Ketut Aria Pria Utama
Jurusan Teknik Perkapalan Institut Teknologi Sepuluh Nopember
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : IPTEK Journal of Proceedings Series

 1 
An Investigation into the Use of Ducktail at Transom Stern to Reduce Total Ship Resistance Kurniawati, Fiqih Dwi; Pria Utama, I Ketut Aria
IPTEK Journal of Proceedings Series No 2 (2017): The 2nd Internasional Seminar on Science and Technology (ISST) 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i2.2338

Abstract

In this study it is aimed to investigate the application of ducktail at transom stern to reduce total resistance using Computational Fluid Dynamics (CFD). Ducktail is additional retrofit device to reduce effect of wetted transom causes wave and wake which cannot fully generate far away therefore absorbs energy. The method about saving energy possibilities was determined. The RANSE code CFX fitted with shear stress transport (SST) turbulence is used to carry out the simulation. Grid generator ICEM CFD is used to build hybrid grids for RANS code solvers. The result indicate ducktail reduce resistance significantly based on Froude numbers. The wave and wake fully transmitted into the far field. Ducktail becomes alternative appendages to increase energy efficiency.
CFD Simulations to Calculate the Resistance of A 17.500-DWT Tanker Dian Purnamasari; I Ketut Aria Pria Utama; I Ketut Suastika
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3519

Abstract

Numerical simulations have been carried out to determine free surface flow around a tanker 17.500 hull form for which experimental results are available. The SST turbulence model was used in Ansys CFX. The numerical methodology is found to be appropriate for simulating the turbulent flow around a model in order to estimate model total resistance. The computational results are presented in a non-dimensional form. By the numerical results, total resistance is calculated for the ship model and the result is satisfactory with regard to the experimental results were compared
Increasing Community Participation in Sustainable Urban Housing Renewal Implementation (Case Study: Sombo Walk-Up Flat) Dian Purnamasari; I Ketut Aria Pria Utama; I Ketut Suastika
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (577.111 KB) | DOI: 10.12962/j23546026.y2018i1.3523

Abstract

Urban housing renewal is one of the ways to solve housing problems such as environmental, social and economic degradation in the community. But housing problems is still found on post-renewal in social, economic, cultural and environmental aspects. This is probably happened because the local community is not holistically involved in the implementation of the development. This research uses qualitative method with purposive sampling technique. Data collection techniques through interviews to the original residents of Sombo walk-up flats, stakeholder and managers of Sombo walk-up flats and also conducted by field observations. Then, the analysis is using data triangulation. The results of this study indicate that community participation is still not done holistically in which the community is less empowered after urban housing renewal is done. Therefore local communities should be empowered to realize sustainable urban housing renewal
Co-Authors Adi Wirawan Husodo Ahmad Charizzaka Andi Jamaluddin Andrew Gibson Aryo Tri Septya Nugraha Bagiyo Suwasono Baital, Muh. Sawal Dian Purnamasari Dian Purnamasari Dita Adhelia Putri Endah Suwarni Endah Suwarni Fajar Adi Pratama Garry Raditya Putra Giles Anthony Thomas Hery Indria Dwi Puspita I Ketut Suastika I Made Ariana Kurniawati, Fiqih Dwi M. Zain Fajar Ramadhani M.Arief Hamdani Muhammad Hafiz Nurwahyu Aliffrananda Murdijanto Murdijanto Noor Muhammad Ridha Nurhadi Nurhadi Pradipta Rahman Hakim Rahmat Diko Edfi Richard Benny Luhulima Robi Wahyudi Sugeng Riyadi Sutiyo Sutiyo Sutiyo, S Teguh Putranto Zhafir Tri Setiabudi Putra