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All Journal Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Teknologi Pertanian Jurnal Dampak agriTECH Jurnal Agroindustri Jurnal Sains dan Teknologi Pangan Journal of Applied Agricultural Science and Technology Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknologi Pertanian JURNAL AGROHITA Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Hilirisasi IPTEKS (JHI) Buletin Ilmiah Nagari Membangun Jurnal Teknologi Pertanian Andalas Rona Teknik Pertanian
Renny Eka Putri, Renny Eka
Universitas Andalas
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Nursing Public Health Veterinary Other

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The Role of Fan Speed and Misting for Computational Fluid Dynamics (CFD) Analysis of Temperature and Humidity Regulation in Greenhouses Renny Eka Putri; Mutiara Salwa; Ashadi Hasan; Irriwad Putri
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 6 (2025): December 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i6.2026-2038

Abstract

Maintaining an optimal climate is essential for plant growth, and greenhouses though controlled often face challenges such as excessive heat. To address this, fan and misting systems are commonly used. This study investigates the role of fan speed and misting in regulating temperature and relative humidity (RH) in a smart greenhouse using Computational Fluid Dynamics (CFD) simulations. In this research, CFD simulations were performed using actual temperature and RH measurements as input data. The scenarios included varying fan speeds (3.4 m/s, 4.5 m/s) and a control condition without a fan, combined with 15-minute misting sessions. The results show that a fan speed of 4.5 m/s with misting is more effective at lowering temperature compared to 3.4 m/s under the same misting conditions. The simulation errors were below 10% across all treatments, indicating the model’s reliability. These findings offer valuable insights for optimizing climate control in greenhouses, supporting more efficient and sustainable crop production.
Analisis Energi dan Evaluasi Ekonomi dalam Proses Produksi Kopi Bubuk : Studi Kasus PT. Gimase Setia Sejahtera Putri, Renny Eka; Devi, Mutiara Puspa; Zainal, Putri Wulandari
Jurnal Agroindustri Vol. 16 No. 1 (2026): May 2026
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jagroindustri.16.1.26-38

Abstract

Biji kopi merupakan bahan baku utama dalam produksi kopi bubuk, yang dalam proses pengolahannya memerlukan energi manusia, bahan bakar, dan listrik. Penelitian ini bertujuan untuk menganalisis konsumsi energi dan aspek ekonomi dalam proses produksi kopi bubuk di PT XYZ. Analisis konsumsi energi dilakukan berdasarkan tahapan proses dan jenis sumber energi yang digunakan. Hasil penelitian menunjukkan bahwa kebutuhan konsumsi energi sebesar 5.916,22 kJ/kg, Potensi konservasi energi dapat dilakukan dengan efisiensi penggunaan listrik, yakni hanya mengoperasikan peralatan saat proses berlangsung. Dari sisi ekonomi, biaya produksi tercatat sebesar Rp114.180.445, dengan total penerimaan Rp196.970.000, menghasilkan keuntungan harian sebesar Rp82.789.555. Nilai rasio pendapatan terhadap biaya (R/C ratio) sebesar 1,7 menunjukkan bahwa usaha tersebut layak secara ekonomi. Temuan ini diharapkan dapat menjadi referensi bagi pelaku agroindustri dalam meningkatkan efisiensi energi dan menekan biaya produksi.
Co-Authors - Andasuryani Abdi Lubis, Muhammad Iqbal Abdullah Habib Ade Sandri Afifah Khainur Agus Hermansyah Albani, Nabil Alhapen Ruslin Chandra Ali Anwar Delimunthe Alifa Azanisya Azzahra Alifa Azanisya Azzahra Andri Syaputra Angela Fortuna Sekarini Angela Fortuna Sekarini Aninda T. Puari Annisa Lestari Simanjuntak Ardi Turnando Ashadi Hasan Azkiya Wahyu Novianda Azrifirwan, Azrifirwan Baehaqi Butar Butar, Angelia Celsy Lovena Cherie Dinah, Cherie Dellia Asdinisa A.S Devi, Mutiara Puspa Dhiya Ulwafi Elfy Adelliana Elroza Wulandari Fachri Ibrahim Nasution Fadhli Anas Fadli Hafizulhaq Fadli Irsyad Feri Arlius Fitri Hidayah Nasution Genni Deea Solehia Gizhella Mulyani Putri Gizhella Mulyani Putri Gurning, Melia Elius Putri Halimatus Syahdia Hasibuan Hammam Mananda Harahap Harahap, Hammam Mananda Harahap, Wenti Ifmalinda Ilga Putri Maharani Imanuela, Claresta Intan Pratiwi Iqbal Abdi Lubis, Muhammad Irriwat Putri J P Geraldo Joko Prastio Kemal Muhammad Hiero Kemal Muhammad Hiero Khandra Fahmy Lisa Silvia Ningsih Liza Mardalena Madani Putra Maulana, Dwipa Islam Mei Mardhiani Lubis Melia Elius Putri Gurning Mislaini Mislaini Mislaini Rahman Mohammad Agita Tjandra Muahammad Zacky Muhammad Iqbal Abdi Lubis Muhammad Iqbal, Muhammad Iqbal Muhammad Makky Muhammad Mizwardi Mutiara Salwa Nadian Nadian Najeli Rahmatika Naufal Ilhamdi Rozaaq Nindi Elisa Oktavionry, P.A Omil Charmyn Chatib P.A Oktavionry Putri Wulandari Zainal Putri, Annisa Octaviani Putri, Irriwad Rahmi Dwi Putri Rahmi Dwi Putri Rapon Anam Rauzatul Mirizal Jannah Renny Renny Rise Prana Sari Rizka Fadhilah Rizka Fadhilah Roni Andika Putra Roy Saputa Roy Saputa ROY SAPUTRA Rozaaq, Naufal Ilhamdi Ryan Anugerah Perdana Santosa - Santosa Santosa Santosa Santosa Santosa Santosa Santosa Santosa Santosa Santosa Satria Adi Surya Shakira Azzura Syaidev Sherly Rahmadenita Syahrizal Lubis Vasya Azzahra Siona Vasya Azzahra Siona Widi Darmadi Widya Annisa Winda Fauzia Wiranda Erza Pratama Wirna Nepis Yanti, Delvi Yuharfiandri Yuharfiandri