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All Journal Jurnal MEKANIKAL Jurnal Sains dan Teknologi Jurnal Teknologi Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknologi Rekayasa Mesin Jurnal Mechanical Jurnal Rekayasa Mesin Jurnal Rekayasa Material, Manufaktur & Energi Energi & Kelistrikan Jurnal Teknik Mesin Indonesia Jurnal Konversi Energi dan Manufaktur Journal of Electrical Engineering and Computer (JEECOM) Journal of Community Engagement Research for Sustainability Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) METAL : Jurnal Sistem Mekanik dan Termal Journal of Applied Business and Technology Aceh International Journal of Science and Technology Estungkara: Jurnal Pengabdian Pendidikan Sejarah Jurnal Pengabdian Kompetitif Jurnal Polimesin Prosiding SNTTM
Azridjal Aziz
Universitas Riau
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Other

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PENGARUH LAJU ALIRAN AIR PENDINGIN TERHADAP KINERJA PEMBANGKIT LISTRIK BERBASIS THERMOELECTRIC GENERATOR (TEG) Rahmat Iman Mainil; Gontor Andrapica; Azridjal Aziz
Jurnal Sains dan Teknologi Vol 19 No 1 (2020): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Besarnya energi yang terbuang pada kendaraan menyebabkan para peneliti berupaya untuk memanfaatkan energi berupa panas buang kendaraan sebagai sumber energi listrik. Termoelektrik generator merupakan sebuah perangkat yang bekerja memanfaatkan efek seebeck sehingga dapat mengubah panas menjadi energi listrik. Dalam penelitian kali ini panas dirubah menjadi listrik menggunakan termoelektrik jenis TEG SP 1848 dan TEC 12706. Variasi laju aliran air pendinging 1,7 L/min dan 3,5 L/min digunakan untuk mengetahui efek laju aliran air pendingin terhadap kinerja Thermoelectric Generator. Jumlah modul termoelektrik juga divariasikan dari 1-4 buah. Temperatur panas input diperoleh dari sebuah heater listrik yang diberi tegangan 80 volt menggunakan sebuah slide regulator. Hasilnya didapatkan bahwa laju aliran air 3.5 L/min dapat menghasilkan daya listrik hingga 1.03 W pada penggunaan 4 buah modul TEG SP 1848.
Digital Transformation of Goat Milk Supply Chains through an Integrated Smart Cold-Chain Logistics System Nyoto Nyoto; Nicholas Renaldo; Jahrizal Jahrizal; Azridjal Aziz; M. Dalil; Achmad Tavip Junaedi; Yusrizal Yusrizal; Alyauma Hajjah; Sulaiman Musa; Cecilia Cecilia
Journal of Applied Business and Technology Vol. 7 No. 2 (2026): Jounal of Applied Business and Technology
Publisher : Institut Bisnis dan Teknologi Pelita Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35145/re8a7652

Abstract

The rapid digital transformation of agribusiness has created significant opportunities to improve supply chain efficiency, product quality, and operational sustainability through the integration of smart technologies. However, goat milk supply chains continue to face challenges associated with short product shelf life, inadequate cold-chain infrastructure, limited distribution visibility, and high logistics costs, particularly among small and medium-sized enterprises (SMEs). This study aims to develop and evaluate an Integrated Smart Cold-Chain Goat Milk Logistics System (SCGLMS) as a digital transformation model for goat milk supply chains. A Design Science Research (DSR) methodology was employed, consisting of problem identification, system design, prototype development, pilot implementation, and system evaluation. The proposed SCGLMS integrates four interconnected layers: smart milk processing, intelligent packaging, IoT-enabled cold-chain logistics, and a cloud-based digital management platform that provides real-time monitoring, digital traceability, and logistics analytics. The findings demonstrate that the integrated system significantly improves supply chain visibility, operational coordination, and decision-making by enabling continuous monitoring of temperature, humidity, shipment status, and product quality throughout distribution. The system also enhances logistics efficiency, minimizes product spoilage, extends market accessibility, and strengthens customer confidence through improved transparency and traceability. This study contributes to the literature on digital supply chain management by proposing a comprehensive technological framework specifically designed for goat milk logistics. Furthermore, it provides practical guidance for SMEs, agribusiness practitioners, and policymakers seeking to accelerate digital transformation and sustainable supply chain development within the dairy industry.
Beyond Cold Storage and Smart Milk Bank as a Disruptive Supply Chain Innovation for Strengthening National Dairy Industry Resilience Nicholas Renaldo; Achmad Tavip Junaedi; Suhardjo Suhardjo; Azridjal Aziz; M. Dalil; Erpiani Siregar; Jahrizal Jahrizal; Umar Faruq; Jaswar Koto; Kristy Veronica
Journal of Applied Business and Technology Vol. 7 No. 2 (2026): Jounal of Applied Business and Technology
Publisher : Institut Bisnis dan Teknologi Pelita Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35145/b277se34

Abstract

The national dairy industry faces persistent challenges related to fluctuating milk supply, quality deterioration, limited traceability, and inefficiencies in conventional milk collection and storage systems. This study proposes the Smart Milk Bank (SMB) as a disruptive supply chain innovation that moves beyond the conventional function of cold storage by integrating rapid cooling, cold-chain management, real-time quality monitoring, digital traceability, inventory management, and an intermediary business model. An applied research and technology development approach is employed, involving system requirement analysis, prototype development, functional testing, industrial implementation, and performance evaluation. Data are obtained from milk quality measurements, sensor records, production and inventory data, operational observations, and stakeholder feedback. The proposed system is designed to transform the milk bank into an active supply-chain buffer capable of coordinating milk quality and volume according to industrial demand. Performance evaluation focuses on milk losses, quality consistency, supply stability, operating costs, traceability, and system reliability. The proposed targets include reducing damaged milk from approximately 10–15% to 6–8%, improving managed supply stability by 20–30%, and reducing operating costs by 15–25%. The study positions Smart Milk Bank as a systemic innovation in which technological integration and business-model innovation jointly strengthen dairy supply chain resilience. The findings provide a conceptual and practical foundation for developing a scalable, digitally enabled milk supply system that can support the competitiveness, sustainability, and resilience of the national dairy industry. 
KONDISI KERJA MESIN REFRIGERASI KOMPRESI UAP PADA VARIASI MASSA REFRIGERAN HIDROKARBON Rahmat Iman Mainil; Nurul Deswita; Afdhal Kurniawan Mainil; Azridjal Aziz
Jurnal Sains dan Teknologi Vol 19 No 2 (2020): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Salah satu penentu kinerja mesin kompresi uap adalah massa refrigeran. Kinerja mesin refrigerasi dapat dinilai pada kondisi kerja sistem meliputi temperatur kotak pendingin, temperatur kerja kondensor dan evaporator, tekanan kerja kondensor dan evaporator, dan daya kompresor pada variasi massa refrigeran yang ditetapkan. Untuk menganalisa kondisi kerja tersebut, mesin refrigerasi kompresi uap diisi menggunakan refrigeran HCR-134a dengan variasi massa 60-220 gram. Hasil pengujian menunjukkan bahwa untuk seluruh variasi massa refrigeran, temperatur kotak pendingin dapat turun terhadap waktu operasi dimana rata-rata penurunan temperatur adalah 7 ºC. Tekanan evaporator dan tekanan kondensor meningkat dengan meningkatnya jumlah massa refrigeran yang diisi kedalam sistem, mengakibatkan semakin meningkatnya kerja kompresor. Kenaikan daya kompresor pada setiap massa refrigeran rata-rata sebesar 0,016 kW.
KOMPARASI KINERJA REFRIGERATOR DENGAN REFRIGERAN HIDROKARBON HCR134a ALTENATIF PENGGANTI R134a PADA PANJANG PIPA KAPILER 1,25 m Azridjal Aziz; Izzuddin Ali Raja Siregar; Rahmat Iman Mainil; Afdhal Kurniawan Mainil
Jurnal Sains dan Teknologi Vol 19 No 2 (2020): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Pada penelitian ini telah dilakukan uji komparasi mesin pendingin siklus kompresi uap dengan fluida kerja HCR134a (refrigeran hidrokarbon pengganti R134a) dan fluida kerja R134a yang beroperasi pada panjang pipa kapiler 1,25m dengan pendinginan udara. Analisisis dilakukan terhadap pengaruh tekanan dan temperatur, arus listrik, kerja kompresi, dan koefisien perfomansi (COP) alat uji. Hasil penelitian menunjukkan, penggunaan HCR134a meningkatkan COP sebesar 29.92% dengan penggunaan arus listrik lebih rendah 10.8% dibandingkan dengan R134a. Dari uji komparasi dapat disimpulkan bahwa penggunaan refrigeran hidrokrabon (HCR134a) memberikan kinerja yang lebih baik dan lebih hemat energi dibanding refrigeran halokarbon (R134a).
LAJU PENDINGINAN AIR DENGAN ICE ON COIL PADA MESIN PENDINGIN TYPE CHILLER UNTUK COLD STORAGE Irwandi Hidayat; Azridjal Aziz; Herisiswanto; Rahmat Iman Mainil
Jurnal Sains dan Teknologi Vol 14 No 1 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

The Ice on coil is ice storage technology where a tube coil is immersed in water. Ice formed out of a tube with a circulation of coolant in the secondary cooling tube generally the ice. The cooling machines at this time has evolved along with advances in technology. Generally, this machines utilizet for preservation of foods, vegetables and fruits. Interest cool water as secondary refrigerant temperature is 0 ° C to measure the ability of a coolant in the engine cool down the room and cold storage box. Performance cooler for cold storage box and the rooms have different values. COP value that all the rooms are larger than the storage box cold due to the labor supplied to the room is bigger than the box of cold storage, the temperature changes in the evaporator also greatly affect the value of COP, the greater the change in enthalpy evaporator, the greater the value of the COP given the machine
PENGARUH PENAMBAHAN KONDENSOR DUMMY (TIPE HELICAL COIL, TROMBONE COIL DAN MULTI HELICAL COIL) TERHADAP TEMPERATUR RUANGAN DAN TEMPERATUR AIR PANAS Adi Hans Purba; Azridjal Aziz; Rahmat Iman Mainil; Afdhal Kurniawan Mainil
Jurnal Sains dan Teknologi Vol 14 No 1 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

This paper provides a review of i.e: temperature achievement of three different dummy condenser. The study review was conducted to know the effect of adding dummy condenser coil type helical, coil trombone and multi helical coil without circulating water to room temperature and the temperature of the hot water. The method used in this review was a comparative method among tree types of dummy condenser i.e: helical coil, trombone coil and multi helical coil. The result comparison showed that the addition of dummy condenser type multi helical coil was better than dummy trombone coil and helical coil types. In the addition of dummy condenser without circulating water with multi helical coil, heated water temperature reached 64.73 oC in 3000 Watt of load. Whilst, the helical coil on the lowest room temperature reached 16.11 oC at the use of no load (19.26 oC on multi helical coil without load).
KARAKTERISTIK PIPA KALOR DENGAN FLUIDA KERJA ASETON, FILLING RATIO 60% PADA POSISI HORIZONTAL, KEMIRINGAN 45º DAN VERTIKAL Ferly Septian Iskandar; Rahmat Iman Mainil; Azridjal Aziz
Jurnal Sains dan Teknologi Vol 14 No 1 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Heat pipe is a simple equipment which has a very high thermal conductivity. In a large capacity of heat pipes can transfer the heat efficiently in a wide variety of temperatures without additional energy. The experiment is used copper pipe with a length of 400 mm and diameter 9.525 mm using acetone as working fluid. Screen mesh wick was used by screen 150 mesh. The experimental method is carried out to obtain the characteristics of heat pipe in form of axial temperature distribution, thermal resistance and heat transfer coefficient with filling ratio 60% (of the evaporator volume) at different orientations. The lowest thermal resistance and the highest heat transfer coefficient was occurred in a vertical position at 4.30 °C/Watt and 195.50 W/m2°C respectively. From the three orientations of heat pipes, vertical position indicated the decrease due to temperature difference between evaporator and condensor and the smallest thermal resistance in all heat input.
PENGARUH FLUIDA KERJA CAMPURAN AIR – ASETON TERHADAP KINERJA PERPINDAHAN PANAS PADA PIPA KALOR Utari Prayetno; Rahmat Iman Mainil; Azridjal Aziz
Jurnal Sains dan Teknologi Vol 14 No 2 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Heat pipe is a heat transfer technology using a particular size pipe containing a special fluid as a heat conductor from the hot end to the other end as a working fluid. In this paper, heat transfer performance of 400 mm length and 9.5 mm diameter heat pipe using mixture of water – aceton as working fluid was eksperimentally investigated. The working fluid will be water – aceton mixture in 50% : 50% by volume and filled by 10% of 400 mm length heat pipe. The experiment of heat pipe has done at variation of inclination angle of 0o, 45o, and 90o. Applied of heat input was also variac from 3 W, 4 W, 5 W and 6 W to study the effect on heat transfer performance of heat pipe. The experiment result: increasing the heat input and inclination angle, will decreases the thermal resistance and increases the heat transfer coefficient of heat pipe. Heat pipe using the mixing fluid of water – aceton can reduces the average temperature of evaporator is 63.68 oC, with average thermal resistances is 6.71 oC/W, and the higher of average heat transfer coefficient is 126.01 W/m2 oC.
PENGUJIAN THERMOELECTRIC GENERATOR SEBAGAI PEMBANGKIT LISTRIK DENGAN SISI DINGIN MENGGUNAKAN AIR BERTEMPERATUR 10 ºC Gontor Andrapica; Rahmat Iman Mainil; Azridjal Aziz
Jurnal Sains dan Teknologi Vol 14 No 2 (2015): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik - Universitas Riau

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Abstract

Thermoelectric Generator (TEG) is used to generate electricity, there is temperature different between the hot and cold side from thermoelectric module. This principle is called the seebeck effect which is the opposite phenomena of the peltier effect. This research used two types of thermoelectric module, TEC 12706 and TEG SP 1848 type. With the variation of input voltage was 60 V to heat the heater electric attached at hot side module. Cold side of thermoelectric module used ice water at temperature 10 ºC with speed of water circulation is 16.6 liter/minute. According to the test, the power generated by thermoelectric modul TEG SP 1848 is bigger than thermoelectric modul of TEC 12706. Power maximum generated by thermoelectric TEC 12706 type at the first until foorth testing were 0.001 W, 0.0018 W, 0.0061 W and 0.105 W. Whereas using module of TEG SP 1848 the maximum energy at the same testing were 0.125 W, 0.141 W, 0.274 W and 0.357 W. The difference of maximum energy used between TEC 12706 and TEG SP 1848 module was around 0.2 W.
Co-Authors Abd. Rasyid Syamsuri Abdurrahaman, Ridwan Achmad Tavip Junaedi Adha, Aidil Adi Hans Purba Adi Hans Purba Adriyus putra Adriyus putra Afdhal Kurniawan Afdhal Kurniawan Mainil Afdhal Kurniawan Mainil Afdhal Kurniawan Mainil Agus, Rio Masri Ahmad Surya Ahmad Surya Ahmad Wisnu Sulaiman Alyauma Hajjah Amun Amri Ari Andriyas Puji Arya Bhima Satria Asral, Asral Aulian Samri Awaludin Martin Boby Hary Hartanto, Boby Hary Brian Agung Cahyo P Bungsu Herwanto Cecilia Cecilia Dani Ikhsan Putra Dani Ikhsan Saputra Dani Ikhsan Saputra Dedi Rosa Putra Cupu Delpanro Sitanggang Deni Kurniawan Desi Heltina Dicky Ikhwandi Efendi, Mas Efi Afrizal Eigko Malau Eko Prasetyo Eko Saputra Erpiani Siregar Evi Nadhifah Faisal Afif Faisal Tanjung Farida Isroani Ferly Septian Iskandar Ferly Septian Iskandar Fransiskus Faisal Simatupang Gihon Matondang Ginting, Hardianto Giri Saputra Gontor Andrapica Gontor Andrapica Gontor Andrapica Gordon HTTM Hanif Nugroho Aji Hasra Rafika Hasra Rafika Hendra Abdul Aziz Hendrik Syahputra Hendro Ekwarso Herisiswanto Herisiswanto ' Herisiswanto Herisiswanto Herisiswanto, Herisiswanto Ida Ayu Putu Sri Widnyani Iqbal Parija Irwandi Hidayat Irwandi Hidayat Iwan Kurniawan Izzuddin Ali Raja Siregar Izzuddin Ali Raja Siregar, Izzuddin Ali Raja Izzudin Ali Raja Siregar Jahrizal Jaswar Koto Jenvrizen, David Jheri Hermanto Jhoni Oberton Kharisma, Oktaf Brillian KHOIRUL ANAM Krisna Bayu Saputra Kristy Veronica Kusuma, Andi Arief Listiono, Hendra luthfi afiif yazu M Akmal M Dalil Mainil, Rahmat Imam Mintarto Mintarto Muftil Badri Muh Wira Tri Kusuma, Muh Wira Tri Muhammad Faizal Syukrillah Muhammad Faizal Syukrillah, Muhammad Faizal Muhammad Rif’at Syahnan Musthafa Akbar N Fuad N. Nazaruddin Nicholas Renaldo Nofriadi Nofriadi Nugrah Suryanto Nurman Saputra Nurul Deswita Nurul Deswita Nyoto P. Eko Prasetyo Prengki Saputra S Purba, Adi Hans Rahman Asfaranda Rahman Putra Mainil Rahmat Iman Mainil Rahmatsyah Maksum Ramsi Renaldi Khaesar Kumara Renhard Niptro G, Renhard Niptro Renhard Niptro Gultom Renhard Niptro Gultom Reni Yenti, Silvia Ruben Siregar Sarwo Fikri Sarwo Fikri Sayfri Syafri Silvia Reni Yenti Suhardjo Suhardjo Sulaiman Musa Sunny Ineza Putri Suprayitno Suprayitno Surya, Ahmad Syafri Syafri ' Syafrinaldi Zuhrimansyah Syahdi Fahala Banjarnahor Syamsu Herman Teguh Irawan Thalal, Thalal Tio Vani Nesri Umar Faruq Utari Prayetno Utari Prayetno Wandi Wahyudi Wandi Wahyudi Warman Fatra Willy Setiawan Yandra, Vicky Yohanes Yohanes Yusrizal Yusrizal