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All Journal Rekayasa Mesin Jurnal Dimensi Turbo : Jurnal Program Studi Teknik Mesin Journal of Computer Science and Informatics Engineering (J-Cosine) JUPE : Jurnal Pendidikan Mandala Jurnal TAMBORA Jurnal Energi dan Teknologi Manufaktur Otopro Scientific Journal of Mechanical Engineering Kinematika Community Development Journal: Jurnal Pengabdian Masyarakat Reswara: Jurnal Pengabdian Kepada Masyarakat JURNAL FLYWHEEL International Journal Of Science, Technology & Management (IJSTM) International Journal of Community Service Hexagon JASTEN (Jurnal Aplikasi Sains Teknologi Nasional Jurnal Pengabdian Rekayasa Sistem Jurnal Gear : Energi, Perancangan, Manufaktur & Material PROTON : Jurnal Ilmu-Ilmu Teknik Mesin METAL
Mietra Anggara
Universitas Teknologi Sumbawa
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ANALYSIS OF VARIATION IN HEAT CONDUCTING PIPE POSITION AND AIR VELOCITY ON DRYING RATE, MOISTURE CONTENT AND DRYING EFFICIENCY OF TAPIOCA CRACKERS Amriadi Amriadi; Mietra Anggara
Mechanical, Energy and Material (METAL) Vol. 1 No. 2 (2023): Desember: Mechanical, Energy and Material (METAL)
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/metal.v1i2.37

Abstract

One of the essential processes in the production of krupuk (crackers) is the drying process, commonly carried out using traditional sun-drying methods. Effective drying necessitates even heat distribution, which can be challenging to achieve with direct sun drying due to weather fluctuations. However, with technological advancements, natural drying methods have been improved to enhance drying efficiency. Moreover, the development of drying equipment has shifted from natural drying to forced drying using the principle of fluidization. Experimental testing of the heat pipe position and air velocity can be conducted to understand the heat One of the essential processes in the production of krupuk (crackers) is the drying process, commonly carried out using traditional sun-drying methods. Effective drying necessitates even heat distribution, which can be challenging to achieve with direct sun drying due to weather fluctuations. However, with technological advancements, natural drying methods have been improved to enhance drying efficiency. Moreover, the development of drying equipment has shifted from natural drying to forced drying using the principle of fluidization. Experimental testing of the heat pipe position and air velocity can be conducted to understand the heat distribution during the drying process. The objective of this research is to investigate the variation of heat pipe positions and air velocities' influence on the drying rate, moisture content, and drying efficiency of krupuk. The study involves three research variables: Independent Variables: a. Designing the heat pipe in a vertical position. b. Designing the heat pipe in a horizontal position. Air Velocity: a. Air velocity of 2 m/s. b. Air velocity of 1.5 m/s. c. Air velocity of 1 m/s. Based on the comparison of values from the two positions, it was found that the vertical heat pipe resulted in the best drying rate of 1.65 g/minute, while the horizontal heat pipe yielded 1.67 g/minute. Regarding moisture content, the vertical heat pipe had a value of 3.6%, while the horizontal pipe had 2.6%. For the best efficiency, the vertical heat pipe achieved 1.9%, and the horizontal pipe achieved 2%. It can be concluded that the drying rate and moisture reduction significantly affect the efficiency of the kerupuk drying machine. The higher the quantity of material dried, the higher the efficiency achieved with the same fuel.
PERANCANGAN KINCIR AIR PEMBANGKIT LISTRIK TENAGA MIKROHIDRO ALIRAN HEAD RENDAH: Studi Kasus Di Desa Manemeng Kecamatan Brang Ene Kabupaten Sumbawa Barat Haizan; Mietra Anggara; Fadhli Dzhil Ikram; Aldrin
Hexagon Vol 6 No 2 (2025): Vol. 6 No. 2 (2025): HEXAGON - Edisi 12
Publisher : Fakultas Teknologi Lingkungan dan Mineral - Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/hexagon.v6i2.5072

Abstract

This study designs a water wheel for micro-hydropower generation with low-head flow of the Undershot type. The water wheel is designed with a head height of 0.5 meters, a diameter of 1.10 meters, and 16 blades, producing a planned power of 6.536 kW. The peripheral speed of the wheel is 0.28 meters per second with a rotation speed of 4.05 rpm. The blade receives water at a rate of 1.4 m³/second, generating a fluid force of 840 Newtons. The angular velocity of the wheel is 0.424 rad/second, and the shaft power is 5.556 kW with a shaft diameter of 0.10 meters. The static equivalent load is calculated to be 438.91 Newtons. This water wheel is expected to utilize slow but constant water flow to generate electricity, helping the rice field area in Manemeng village to maximize harvest yields and control pests.
EFFECT OF REGULATOR VALVE OPENING VARIATIONS AND AIR SPEED ON DRYING RATE, FUEL CONSUMPTION, DRYING EFFICIENCY IN ANCHIE DRYING MACHINE Rais Rais; Mietra Anggara
Mechanical, Energy and Material (METAL) Vol. 1 No. 1 (2023): Juni: Mechanical, Energy and Material (METAL)
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/metal.v1i1.42

Abstract

Indonesia is a maritime country, rich in marine resources and marine biodiversity and non-biological diversity which spreads over 3,351 million km2 of sea area and 2,936 km2 of water area of the exclusive economic zone and continental shelf (BPS, 2018). The natural conditions of this vast sea are utilized by all people in Indonesia, including the people of Labuhan Bajo Village, Sumbawa. Anchovy (Stolephorus sp.) is one of the marine commodities developed as a superior economic commodity. Many efforts have been made by anchovy fishermen and collectors in an effort to maintain and develop anchovy processing, one of which is the drying process. This study aims to determine the effect of lpg gas regulator valve opening and air velocity on moisture content, fuel consumption, efficiency and drying rate of anchovy drying machine. The variables used are the variation of the regulator valve opening and the air exhaled by the fan from outside with speeds of 1.5 m/s, 2 m/s and 2.5 m/s. The results obtained in this study were that the highest drying rate was produced by the valve opening with a duration of 120 minutes with a drying rate of 0.630 g/min at an air speed of 2.5 m/s. Testing the water content by looking at the results of the anchovy samples and the results of the highest amount of water content, namely in the variation of valve opening 1 with a water content value of 19.12% at an inlet air speed of 2.5 m/s with a duration of drying time of 120 minutes. The highest efficiency value at 3/4 valve opening with a speed of 2 m/s with an inlet channel of 1 cm is 84.66%. Fuel consumption from the results of anchovy drying test with a temperature of 70 ℃ where the drying time is the fastest in accordance with the SNI quality standards for anchovy water content, namely opening the regulator valve 3/4 for 120 minutes, using 0.95 kg of gas.
PENDAMPINGAN PEMBUATAN VIDEO PEMBELAJARAN MENGGUNAKAN CANVA UNTUK GURU SDN KOKARPIT DAN SDN LEKONG Hermanto, Koko; Anggara, Mietra; Ismiyarti, Wilia; Mardinata, Erwin; Yuliadi, Yuliadi; Ekastini, Ekastini; Sofya, Nora Dery
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 4, No 2 (2023)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v4i2.3255

Abstract

Dalam melaksanakan kegiatan pengajaran, seorang pendidik dituntut agar dapat membuat media pembelajaran yang dapat meningkatkan pemahaman peserta didik dan pendidik sendiri merasa nyaman dalam menjalankan pengajaran guna mewujudkan tujuan pembelajaran dengan baik. Salah satu jenis media pembelajaran adalah video pembelajaran yang dibuat menggunakan Canva yang dapat diakses oleh guru menggunakan email belajar.id sehingga semua fiture dapat diakses secara gratis. Berdasarkan hasil observasi yang dilakukan pada SDN Kokarpit dan SDN Lekong guru masih kesulitan membuat video pembelajaran dan belum mengenal Canva. Oleh karena itu, adanya permintaan kerjasama antara Fakultas Rekayasa Sistem Universitas Teknologi Sumbawa dengan kedua SDN tersebut dalam program pengabdian kepada masyarakat berupa pendampingan pembuatan video pembelajaran dengan menggunakan Canva. Peserta dalam kegiatan pelatihan ini diikuti oleh 16 guru dari SDN Kokarpit dan SDN Lekong dan terdiri dari 7 dosen pendamping. Pendampingan dalam pembuatan video media pembelajaran menggunakan pendekatan ceramah, demonstrasi serta adanya latihan yang disertai tanya jawab. Kegiatan pendampingan dievaluasi menggunakan model evaluasi Kirkpatrick dengan indikator reaction, learning, behaviour dan result, hasil evaluasi menunjukkan skor 89,71% yang menunjukkan peserta sangat puas dengan kegiatan pelatihan. Selain itu, berdasarkan hasil pre test dan post test menujukkan bahwa terdapat peningkatan pemahaman pemahaman peserta membuat video media pembelajaran serta adanya peningkatan jumlah video media pembelajaran peserta setelah sebulan mengikuti pelatihan
The Effect of Differentiated Learning Implementation on Learning Motivation and Student Learning Outcomes of SMA Negeri 1 Poto Tano Rohyanti, Sari Dewi; Suparman, Suparman; Anggara, Mietra
JUPE : Jurnal Pendidikan Mandala Vol 8, No 4 (2023): JUPE : Jurnal Pendidikan Mandala (Desember)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jupe.v8i4.6299

Abstract

There are two objectives of this study, first, to explain how the strategy of implementing differentiated learning to improve students' motivation and learning outcomes in Biology subjects in class XI students at SMA Negeri 1 Poto Tano. Second, to analyze how the effect of the application of differentiated learning on student motivation and learning outcomes in biology subjects in class XI students of SMA Negeri 1 Poto Tano. The type of research used in this study is quantitative research with experimental methods. The subjects in this study were all students of class XI-2 as many as 33 people who acted as an experimental class and XI-3 as many as 31 students who acted as a control class. The instruments used in this study were learning outcome tests and student learning motivation questionnaires. The results of data analysis obtained that the significance value < t, namely (0.000 < 0.05), then there is a significant effect in the motivation and learning outcomes of students in biology subjects between the group that applies differentiated learning (experimental group) and the group that applies conventional learning (control group) at SMA Negeri 1 Poto Tano. 
ANALISIS KUALITAS BRIKET CAMPURAN KULIT KEMIRI DAN BONGGOL JAGUNG SEBAGAI BAHAN BAKAR ALTERNATIF Anggara, Mietra; Robbani, Farisan; Rasyid, Muhammad Yaz; Dhanasmara, Hamratul Aisyah; Samanhudi, M. Syawqi; Hidayah, Rini Nirmala
Otopro Vol 19 No 2 Mei 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v19n2.p45-49

Abstract

The increase in human population in the world is proportional to the increase in energy needs. Energy needs are still dominated by fossil energy. Efforts to reduce dependence on fossil energy are by using natural reserves from abundant energy sources, namely biomass. Utilization of candlenut shells and corn cob waste which are abundant in the West Nusa Tenggara (NTB) area can be used as mixed materials for making charcoal briquettes. The target of this research is to analyse the quality of a mixture of charcoal briquettes from a mixture of candlenut shells and corn cobs as an alternative future fuel. In the process of this research, variations of the mixture of candlenut shells and cobs were carried out with variable composition 1 (65% candlenut husk; 25% corn cob; 10% adhesive; variable 2 (55% candlenut husk; 35% corn cob; 10% adhesive); and variable 3 (45% candlenut husk; 45% corn cob; 10% adhesive). In this test, the calorific value, combustion rate, and emission gas test were calculated. The results showed that the mixture was 65% candlenut husk, 25% corn cob, and 10% adhesive. has the highest heating value of 5010 joules, which is according to SNI at least 5000 joules, the combustion rate is 0.91 g/m, and exhaust emissions are CO (1.18), CO2 (2.92), O2 (20.9) and HC (395 ) has met Indonesian national standards according to Minister of Environment Regulation Number 05 of 2006 concerning Emission Standards.
Co-Authors A. Masniawati Abdul Malik Karim Ahmad Hidayat Ahmad Yamin Ajie Prana Mesa Aldrin Aldrin - Ali Topan, Paris Amri Hidayat Amri Hidayat Amriadi Amriadi Andi Dewi Rizka Ainulia Makerra Apandi Ardiansyah Ardila Tri Yuli Yanti Asia Arifin Ayudhia Gina Mawaddha Azrial Abizard Bahtiar, Syamsul Bernadus Crisanto Putra Mbulu Denny Widhiyanuriyawan Dery Sofya, Noura Dewa Putu Sukerta Yasa Dhanasmara, Hamratul Aisyah Dwi Ratna Sari Dzil Ikram, Fadhli Ekastini Ekastini Eva Johannes Fadhil Zil Ikram Fadhli Dzhil Ikram Fadhli Dzil Ikram Fadhli Dzil Ikram Fadhli Dzril Ikram Faris Zaiem Alhakiem Febrian, Wira Firda Utami, Silvia Fitriani Haizan Hamzah Naufal, Muhammad Hermanto, Koko Hidayah, Rini Nirmala Hidayat, Amri Hidayat, Muhamad Iksan Wira Yuda Imam Munandar Irfan Maulana Irlan Ismiyarti, Wilia Jibril, Aburijal Juniansyah, Kallista La Ode Muhammad Syarif M. Faisal Mahendry, Syahrul Manguntungi, Baso Mardinata, Erwin Mbulu, Bernardus Crisanto Putra Mega Nur Sasongko Mhd Sunandar Siregar MMSI Irfan ,S. Kom Mohamedalmogtaba Abdelrahman Muh Jefri Muh. Chaerul Anwar Muhammad Al Fatih Muhammad Ilham S Muhammad Rizaldi Trias Jaya Putra Nurdin Mukhtar Hadi Murdiyanto, Danang Naif Fuhaid Naif Fuhaid Nikmal Hairul Nur Hilal A. Syahrir Nurmuliayanti Muis Nuryadi, Halid Pupung Pupung Pupung Rasyid, Muhammad Yaz Riana Anggraeny Ridwan Rita Desiasni Rizki Anjar Kusuma Robbani, Farisan Rohyanti, Sari Dewi Samanhudi, M. Syawqi Saputra, Widi Sarwana, Wirya Sofya, Nora Dery Sopyan Ali Rohman Suparman Suparman Syamsul Arifin Toni Dwi Putra Toni Dwi Putra Ulfaturrahmi, Ulfaturrahmi Vivin Nila Rakhmatullah Wahyullah Wahyullah Widiasa, I Kadek Yuliadi Yuliadi Yuliadi Yuliadi Yusran Yusran Zainal Zaky Abdul Aziz