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All Journal Teknika Journal of Applied Geospatial Information JTM-ITI (Jurnal Teknik Mesin ITI) Journal Of Management Science (JMAS) Jurnal Teknik Mesin Jurnal Teknik Mesin Cakram Jurnal Mantik Jurnal Teknik Mesin Indonesia Jurnal Pendidikan dan Konseling Majamecha TRIDARMA: Pengabdian Kepada Masyarakat (PkM) Enrichment : Journal of Management Sprocket : Journal of Mechanical Engineering International Journal Of Science, Technology & Management (IJSTM) International Journal on Social Science, Economics and Art Jurnal Pengabdian kepada Masyarakat ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) JOMPA ABDI: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Bhinneka Abdi Jurnal Publikasi AutoMech : Jurnal Teknik Mesin Jurnal Medika: Medika Jurnal Penelitian Teknik dan Pengelolaan Sumberdaya Perairan
Naibaho, Winfrontstein
Prodi Teknik Mesin Universitas HKBP Nommensen Pematangsiantar
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Journal : International Journal Of Science, Technology

 1 
Analysis Of Variation Of Paddle Wheel Photovoltaic Wheel Form In Microalgae Cultivation On Electricity Consumption Naibaho, Winfrontstein; Welmar Olfan Basten Barat; Hiras Naibaho, Romson
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.669

Abstract

The main problem that is often found in the failure of microalgae production is poor water quality during the maintenance period. One of the causes of deteriorating water quality is the lack of oxygen which endangers microalgae which can inhibit cell growth so that it can reduce its productivity. On this basis, efforts are needed to refresh the water or aeration to help increase the dissolved oxygen (DO) level in the microalgae growth container using a paddle wheel. The development of an aerator blade design that has optimum efficiency is needed to reduce high electricity consumption and see more effective cell growth. For these problems, in this study, variations of the paddle wheel will be analyzed. Variations in the shape of the wheel used, namely straight and curved with the available aerators, are expected to have an optimum speed, area coverage and increase the amount of dissolved oxygen (DO). The method used is the experimental method . Based on this research, it was found that an increase in the value of cell growth occurred in variations in the shape of a straight paddle wheel of 122 cells/ml .
Design And Build A Double Roll Type Pecan Breaking Machine With A Power Of 0.5 Hp Marslino Simanjuntak, Arion; sahat; Naibaho, winfrontstein
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.680

Abstract

Pecan is one of the spices that become an ingredient in the process of the food and cosmetic industry. The pecan separator machine is made to facilitate and speed up the process of breaking the pecan fruit in order to increase work efficiency in the hope that the machine can achieve high efficiency in the form of good fruit yields. The purpose of this pecan fruit separator machine is to help facilitate the community in processing pecan fruit to the maximum of its production, and the community can also increase the processing productivity of pecan fruit, which can improve the community's economy. The research method applied in this study is an experimental method, namely the initial stage of designing a double roll type pecan breaking machine using Auto CAD. Then build the machine in the workshop based on the design that has been done before. The stages passed are making design drawings in Auto CAD and analyzing the components used in the pecan breaking machine. Such components are the frame, inlet funnel, shaft, breaker roller, bearing and outlet funnel. From the results of the analysis, the motor power is 0.5 HP with a rotation of 1400 rpm. The belt length used from the calculation of the pulley size on the 3" machine and the pulley on the 10 breaking roll is 42". For breaking rollers the outer diameter of the roller = 120 mm, the inner diameter of the roller = 100 mm, and the length of the roller = 190 mm. The shaft on the drive motor is 24 mm in diameter. The shaft isestimated to be of S30C carbon steel with tensile strength = 48 kg/mm².
Co-Authors Abda Abda Agustian Parlindungan Hutauruk Amdan Hendrico Aritonang Anwar Hotris Simatupang Chandra Julius Prasasta Rambe Manalu Damico Sitohang Dicky Kurniawan Ewin Handoco S Ferby Dial Sugianto Sinaga Fitri Maria Goretti Sipayung gultom, Boini Pardamean Handoco S, Ewin Handoco, Ewin Hiras Naibaho, Romson Hutabarat, Kevin Hotlambue Jefri Ando Siadari Jhon Sufriandi Purba Lumbantoruan, Manerep MANALU, ERVIN Manerep Lumbantoruan manik, ria retno Manurung, Marito Yanti Marslino Simanjuntak, Arion Moses Novianus Purba Nababan, Wilson S NAIBAHO, TOGAR Nofyando Simalango Oges Ivendo Saragih ompusunggu, ungkap Purba, Angga Purba, Jhon Purba, Jhon Sufriadi Purba, John Sufriadi Rando Sidauruk Ricki Kristanto Napitupulu Risvan Pane Romsin Hiras Naibaho Ryan Tama F Purba Purba Sahat Sahat Sahat Sahat Sitompul Samosir, Shandy Arion Pratama Samuel, Putra Samuel, Reaful Saragi, Jandri Fan HT Saragih, Ewin Handoco Sari Sirait, Syah Paradiba Sayang Gembira Simanjuntak Siadari, Jefriando SIANTURI, TAMBOS AUGUST Siburian, Daniel Siburian, Niko SIHOMBING, ANDREAS VENSEN Sihombing, Suriady Simanjuntak, Mario Geraldi simanjuntak, mario geraldi simanjuntak simanjuntak, Rahul Sinaga, Mardame P Sinaga, Mardame Pangihutan Sinaga, Saloom Hilton SINAGA, TOMI MIKAEL Situmorang, Regi siwan edi amanta Perangin angin Sri Devi Marchelina Siahaan Syah Paradiba Sari Sirait Tambos August Sianturi Togar Naibaho Togar Naibaho Togar Naibaho Togar Naibaho Ungkap Ompusunggu Welmar Olfan Barat, Welmar Olfan Yohanson Sidabalok