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Analysis of Natural Convection Heat Transfer in Barapen Cooking in Papua Johni Jonathan Numberi; Pither Palamba; Agustinus Giai; Kristofel Rumar; Joni; Yane Ansanay; Obet T. Ranteallo; Samuel P. Siregar; Ruben M. Kaiwai; Selyus Rantepulung; Anastasia Sri Werdani; Nourish Griapon; Yohanis Wanane; Janviter Manalu; Apolo Safanpo; Enos Karapa; Endang Hartiningsih; Marthen Liga; Oscar O. Wambrauw; Akbar Silo
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6562

Abstract

Barapen, a cooking tradition in various indigenous Papuan communities. To date, various social science studies have been conducted to examine social values, business economics, and political economy. While research in the aspects of applied science has yet to be conducted to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs, this research was conducted. The purpose of this research is to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs. In this study, a square-shaped artificial pool (260 cm x 210 cm x 50 cm) with white batah stone walls was used to cook food in a barapen. On the four walls, a type K thermocouple is inserted to measure the temperature at 3 layers, which will be the object of research. The ingredients are vegetables, sweet potatoes, and chicken meat that has been cut and stoned. As a discussion, the temperature gradient between layers occurs due to the difference in the amount of volumetric heat against time in each layer. The difference in the amount of heat in each layer is due to the difference in the density of the hot vapor trapped in each layer. Thus, it can be said that the cooking of food in Barapen occurs due to natural heat convection.
Optimization of Savonius Turbine Performance with Variations in Blade and Shaft Spacing on the Coast of Sarmi Regency, Papua Province Johni Jonatan Numberi; Joni; Obed Rante Allo; Nourish C. Griapon; Yane A. Ansanay; Lazarus Ramandei; Wilfriedf Wanane; Rombe Allo; Janviter Manalu; Apolo Safanpo; Endang Hartiningsi; Marthen Liga; Enos Karapa; Yosef Lefaan; Prihananto Setiadji; Herbert Innah
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6587

Abstract

The use of wind energy as one of the producers of electrical energy is done by converting mechanical energy into electrical energy from wind turbines, one of which is the savonius wind turbine. Savonius wind turbines in use are able to work at low wind speeds. This study aims to evaluate the potential of wind energy that can be generated by optimization in savonius wind turbines by measuring the power generated by varying the gap distance between Balde and turbine shafts and analyzing the most optimal power as a source of power generation on the coast of Sarmi Regency, Papua Province. The analysis method in this study is field surveys, wind speed measurements, power optimization, BHP and tool efficiency carried out with variations in the distance between the blade and turbine shaft, namely 5 cm, 10 cm and 15 cm. The results of this study stated that the most optimal and stable results on the power generated by the turbine as well as the BHP value and the best tool efficiency were a distance variation of 15 cm with an average power value produced (P0) of 15.55 Watts, an average BHP value of 0.56 Watts and an average efficiency value of 7.59%.
Co-Authors Achmad Erlangga Bintang Samodra Adi, Markus Budi Agustinus Giai Agustinus Purna Irawan AKBAR SILO Al Ichlas Imran Aldias Bahatmaka Allo, Obed Rante Anastasia Sri Werdani Apolo Safanpo Auldry Fransje Walukouw Ayomi, Erna Ferderika Bahtiar Bahtiar Bahtiar Bahtiar Basa T Rumahorbo Berlian Yonanda Andrianto Bernathius Julison Canggih Persada Sembiring Depari Chandra I. Lumban Gaol Cionita, Tezara Diane Merani, Marice Endang Hartiningsi Endang Hartiningsih Endang Hartiningsih Enos Karapa Fitriyana, Deni Fajar Florida Doloksaribu Fred Andris Waroy Griapon, Nourish Griapon, Nourish C. Gunawan Purba, Hisar Hartiningsi, Endang Haryati, Kristina Henny Rosita Mantundoij Herbert Innah Heri Purnomo Herman Ferdinand Putera Safanpo Himawan Himawan HS, Surjono Husain Husain Husain Husain I Wayan Nurjaya Iriana Zebua, Lisye Ivan Medwin Januar Parlaungan Siregar Jembris Smur Jhonson Siallagan Jitmau, Yowel Johni J Numberi JOHNSON SIALLAGAN Johnson Siallagan Joni Karapa, Enos Kende Suma, Ratte Kholil Kholil Kholil Kholil Khristhoper Aris Arianto Manalu Krisna Dewi, Krisna Kristofel Rumar Kudiai, Silvester Vinsentsius Lazarus B. Ramandey, Lazarus B. Lazarus Ramandei Lefaan, Yosef Lekito, Hanro Lingga, Irene Maay, Gedrida Yacoba Maklon Warpur Marthen Liga Marthen Liga Matulessy, Beni D. J. Mega Fatimah Rosana Mickael Ruben Kaiway Min Adii Mochamad Marte Ardhianto Mochammad Marte Ardianto Muhammad Syawal Mujiati Mujiati Nourish C. Griapon Nourish Griapon Nugroho, Rizky Fajar Nurul Puspitasari Obed Rante Allo Oktaviani, Theresia W. Oscar Wambrauw Pakpahan, Marianti Merry Pither Palamba Pither Palamba Prihananto Setiadji Puspitasari, Windy Desti Putra, Naufal Bahy Rahmat Doni Widodo Rante, Harmonis Ranteallo, Obet Riando, Kopanye Riano M Rumbiak Rio Andrew Kristio Kandai Risky Novan Ngutra Rombe Allo Ronaldo Ruwayari, Daniel Ruben M. Kaiwai Rumar, Kristofel Rusim, Dewi Ana Ruth Yabansabra, Yuliana Safanpo, Apolo Samsudin Anis Samuel Parlindungan Siregar Saramuke, Dina Mathilda Selyus Rantepulung Setiadji, Prihananto Siahainenia, Armand Ronald Silitonga, Astina Wati Siregar, Januar Parlaungan Suebu, Erni Fitri Suharyadi Suharyadi Suparno Surjono HS Syamsuddin, Indri Hapsari Tanta - Tezara Cionita Tiurlina Siregar Tonapa, Veronika Gina Uniplaita, Tiper Walukouw, Auldry F Wambrauw, Oscar O. Wanane, Wilfriedf Werdani, Anastasia Sri Wilfriedf Wanane Yane A. Ansanay Yane Oktovina Ansanay Yembise, Leo Yansen Yohanes B. J. Rusmanta Yohanis Wanane Yosef Lefaan