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All Journal Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Rekayasa Mesin Prosiding Semnastek JTM-ITI (Jurnal Teknik Mesin ITI) Jurnal Inotera Jurnal Optimalisasi Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vocatech : Vocational Education and Technology Journal Jurnal Pengabdian Masyarakat: Darma Bakti Teuku Umar Jurnal Polimesin
Herdi Susanto
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Teuku Umar, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : Jurnal Inotera

 1 
Marble Powder Blended Utilization Polyurethane as Soundproof Materials Yusrizal MT; Muhammad Ali; Nuzuli Fitriadi; Irwansyah Syam; Balkhaya; Herdi Susanto
Jurnal Inotera Vol. 6 No. 1 (2021): January-June 2021
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol6.Iss1.2021.ID131

Abstract

As technology advances, the development of equipment used by humans is increasing and most of the equipment produces unwanted sounds that cause noise. To overcome this, an alternative material for soundproofing is needed which is relatively cheap and easily available in the community by using marble powder as a polyurethane mixture in soundproof panels. The purpose of this study was to determine the effect of the sound absorption coefficient value and to determine the relationship between the frequency of the sound source and the sound absorption coefficient of acoustic materials using marble powder mixed with polyurethane in different compositions. The sound absorption test in this study was carried out using a two-microphone impedance tube and has a frequency limit of 125 Hz - 4000 Hz, variations in the mass composition of marble and polyurethane powder 1: 1, 1: 2 and 1: 3 with a thickness of 5 cm, 3cm and 1 cm. Then the test results of the 1: 1 test specimen, the lowest sound absorption coefficient value was obtained 0.10 0.73 cm-1 at a thickness of 1 cm with a frequency of 4000 Hz and the highest was 0.73 cm-1 at a thickness of 5 cm with a frequency of 125 Hz, the test results 1: 2 test specimen, the lowest sound absorption coefficient value is 0.29 cm-1 at a thickness of 5 cm at a frequency of 4000 Hz and the highest is 0.67 cm-1 at a thickness of 5 cm at 250 Hz, then the test results of the test specimen are 1: 3 values The lowest sound absorption coefficient was 0.24 at a thickness of 1 cm at a frequency of 4000 Hz and the highest was 0.71 at a thickness of 5 cm at a frequency of 250 Hz. For the comparison of the sound absorption coefficient values ​​based on the composition and thickness, the lowest and highest sound absorption coefficient values ​​are found in 1: 1 specimens with a thickness of 1 cm and 5 cm with the best sound absorption coefficient values ​​on average at a frequency of 500 Hz, but in material 1:2 and 1:3 obtained the sound absorption coefficient values ​​are in between on the grounds that the thicker the material, the higher the sound absorption coefficient value. Thus it can be concluded that the polyurethane composite material mixed with marble powder can be used as a sound absorbing panel material, especially in a 1: 1 composition
Analysis of Vibration and Noise on Vibrating Screen at PT. Mifa Bersaudara Herdi Susanto; Kamarullah
Jurnal Inotera Vol. 6 No. 2 (2021): July-December 2021
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol6.Iss2.2021.ID150

Abstract

The purpose of this study was to analyze the level of vibration and noise on the Equipment Vibrating screen crusher FC 02 at PT. MIFA Bersaudara. Vibration is measured using a vibration meter, noise is measured by a digital sound level meter. Measurements are made on the x, y and z axes at each measurement point. The results showed that the value of the vibration level on the Vibrating screen crusher FC 02 on the x-axis with the velocity value of 28.56 mm/s, the y-axis value of 29.82 mm/s and the z-axis velocity value of 25.46 mm/s. While the Acceleration value on the x-axis is 20.7 m/s 2 the value is 30.86 m/s 2on the y and z axes of 21.42 m/s 2 . While the noise value indicates that the average value on the right side is 99.6 dBA on the right side and 101.7 dBA on the left side. Efforts were made to overcome the problem, namely by not operating the VSC FC 02 exceeding the recommended maximum limit of 60 dBA and the maximum allowed which is 70 dBA so as to prevent problems of comfort, health, and safety at work. Operators and employees are advised to stay at the location for no more than 15-30 minutes, if more than that time must use safety earmuffs.
Thermic Characteristics Of Rice Husk And Polyurethane Composite Materias As Insulation In Fish Cold Storage Irwansyah; Balkhaya; Nuzuli Fitriadi; Herdi Susanto
Jurnal Inotera Vol. 6 No. 2 (2021): July-December 2021
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol6.Iss2.2021.ID157

Abstract

The process of freezing fish always requires a cooler as a temporary storage place for fish. The ability of the storage to maintain cold temperatures is a serious problem to be considered so that the freshness of the fish can be maintained. Therefore, an appropriate technology is required to support the cold chain system so that fish quality can be maintained. The purpose of this study was to test the thermal conductivity of composite materials for fish storage insulation from a mixture of rice husks and polyurethane so that the price of the box can be reduced but still maintain the quality of the fish. The composition of the composite material was made with a volume ratio of 1:0.5, 1:1, 1:1.5, and 1:2. The thermal conductivity test of the material uses the ASTM E1225-99 standard. All test results were compared with 100% polyurethane material. The results of testing the thermal conductivity of 100% polyurethane material obtained 0.023 W/m.C. From all the test results, the material that is most likely to be applied to fish cooler box insulation is a 1:1 composition having a thermal conductivity value of 0.067W/m.C. Materials with this composition do not affect the expansion of the polyol and isocyanate reactions. This composition is the most economical to be used as insulation for fish storage boxes which can save the use of polyurethane by 50%.
Integrating Internet of Things Technology to Enhance Highland Vegetable Productivity : A Systemic Review with Empirical Evidence from Aceh Tengah, Indonesia Ihsan, Muhammad; Susanto, Herdi; Joli Supardi; Nuzuli Fitriadi
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID614

Abstract

Global food security challenges necessitate transformative approaches to enhance agricultural productivity, particularly in highland regions facing multiple production constraints. This systematic literature review examines the potential of Internet of Things (IoT) technology integration to enhance productivity of highland vegetables (potato, cabbage, and carrot) in Aceh Tengah District, Indonesia. A critical agricultural region at 1,000-2,600 m.a.s.l. Following PRISMA guidelines, we analyzed peer-reviewed publications (2020-2025) on IoT applications in vegetable production, synthesizing evidence from successful implementations across diverse geographical contexts. Empirical evidence demonstrates that precision agriculture systems incorporating soil moisture sensors, nutrient monitoring, weather stations, and disease detection algorithms achieve productivity increases of 10-20% while reducing water consumption by 20-30% and input costs by 13%. However, IoT adoption in Indonesian highland agriculture remains below 5%, constrained by infrastructure limitations, digital literacy gaps, and economic barriers. This review identifies six critical research gaps and proposes a contextualized framework for IoT implementation adapted to smallholder farming systems in highland Indonesia. The framework addresses technological, socioeconomic, and institutional dimensions essential for sustainable digital transformation of highland agriculture. A pilot project framework is proposed targeting productivity enhancement, resource efficiency, and capacity building for sustainable implementation in Aceh Tengah's unique agroecological context
Co-Authors A.A. Ketut Agung Cahyawan W Abu Bakar Achmad, Fariz Adi Sutrian Al Munawir Al Munawir Ali , Syurkarni Ali, Syurkarni Balkhaya, Balkhaya Chatarina Umbul Wahyuni Dailami Dailami Darwin Hendri Darwin Hendri Desi Maulida Fahril, Yeldi Farizal, Teuku Firman Yulitda Fitriadi, Nuzuli Fonna, Syarizal Fuadri Fuadri Futri Syam Hanif Hanif Hanif Hanif Hasdi, Syaiful Hendra Marliadi Hendri, Darwin Herri Darsan Husen, Zakir Husin, Zakir Husran, Yuza Ichwan, Hasbi Randi Irwansyah Irwansyah Irwansyah Irwansyah Syam Jayadi, Farid Jepri Yanto Kamarullah Kamarullah Kamarullah Khatami, Muhammad M Khalil M Ridha M Taufik M. Abrar Masykuri M. Ihsan M. Ridha Mahmuddin Marbun Marbun, Mahmuddin Masykur Masykur Masykur, Masykur Mirza Adia Nova Muhammad Ali Muhammad Ihsan Muhammad Ihsan Mukhlizar, Mukhlizar Murhaban Murhaban Muzakkir Muzakkir Nasri Agus Saputra Nur ‘Azah Pribadyo Pribadyo Pribadyo, Pribadyo Rahmad Novizar Rahmad Novizar Raudhatun Nafisah Rita Fazlina Rita Hartati S. Huzni Safrijal Safrijal Safrizal Safrizal Safrizal Safrizal Sulaiman Ali Supardi, Joli Syahrul Fathi Syari, Zammiq Syifaul Huzni Syuhada Syuhada Syurkarni Ali T Sayuthi Tarmizi Tarmizi Tripoli, Bambang Us, Khairol Mizan Wahyudin Wahyudin Yufrizal Yufrizal, Yufrizal Yuliani Yuliani Yusrizal Yus Zahir Raditya Zakir Husin Zulkifli Zulkifli