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All Journal Transmisi TELKOMNIKA (Telecommunication Computing Electronics and Control) Sinergi Seminar Nasional Informatika (SEMNASIF) IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) JURNAL PENDIDIKAN TAMBUSAI Journal of Multidisciplinary Academic Jurnal Teknik Mesin Indonesia Kalijaga Journal of Communication International Journal of Engineering, Science and Information Technology Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Malikussaleh Journal of Mechanical Science Technology Automotive Experiences Jurnal Kajian Konstitusi Jurnal Intelek Insan Cendikia Jurnal Polimesin JPM (Jurnal Pengabdian Masyarakat) Ruwa Jurai
Nurul Islami, Nurul
Material Engineering Department, Universitas Malikussaleh
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Journal : Transmisi

 1 
Evaluation of Fluid Flow Velocity Variations on the Plate Heat Exchanger Performance Andika Syahputra; Asnawi Asnawi; Ahmad Nayan; Alchalil Alchalil; Nurul Islami
TRANSMISI Vol 19, No 1 (2023): March 2023
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i1.9650

Abstract

Heat exchanger expected to high effectiveness of heat transfer. Type of plate heat exchanger was more efficient compare to another heat exchangers in industrial applications with pressure less than 30 bar. The increased velocity of cold fluid flow has an impact to increase the performance of heat exchanger by  heat transfer rate (Q), heat transfer coefficient (U), and the effectiveness of heat exchanger (ε). The increased velocity of cold fluid flow also incresing the heat transfer rate. The study carried out by variation of the cold fluid velocity at 0.03 m/s, 0.037 m/s, 0.045 m/s, 0.051 m/s and 0.059 m/s. Inlet hot fluid temperature (Th,i) at 45°C and cold fluid temperature (Tc,i) at 27°C constant. The results shows Q value from the original 1570.71 Watt to 1916.16 Watt on the hot side and 1751.89 Watt to 2187.01 Watt on the cold side. The U value from the original 1180.46 W/m2.°C becomes 1408,75 W/m2. °C. The ε value increased from 60.33% to 75.69%. The increasing of  cold fluid velocity directly proportional to the the heat transfer rate (Q) and performance of the plate heat exchanger. This Phenomenon due to the faster circulation of the cold fluid, which causes the cold fluid to quickly return to its initial temperature (Th,i), an than increasing the plate heat exchanger's performance.
Fabrication of Dye Sensitized Solar Cell Using Cassava Leaf Extract and Red Dragon Fruit Purnomo, Teguh; Nayan, Ahmad; Sayuthi, Muhammad; Islami, Nurul; Rahman, Abdul
TRANSMISI Vol 19, No 2 (2023): September 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i2.10262

Abstract

This research aims to identify the absorbance and consistency of the efficiency of DSSC (Dye-Sensitized Solar Cells). The study was conducted with variations of chlorophyll-anthocyanin mixture using different volumes of dye solutions: 10 ml of a cassava leaf and 20 ml of red dragon fruit, 20 ml of a cassava leaf and 10 ml of red dragon fruit, and 10 ml of a cassava leaf and 10 ml of red dragon fruit. The Dye-Sensitized Solar Cell system consists of natural dye as the colorant, electrolyte solution, two FTO glass substrates with dimensions of 2.5 cm x 2.5 cm, which function as working electrodes coated with titanium dioxide as the semiconductor using the doctor blade method, and counter electrode coated with carbon. All components of the Dye-Sensitized Solar Cell are arranged in a sandwich-like structure, with the counter electrode facing the working electrode and clamped together using paper clips. The highest absorbance value was obtained with the variation of 20 ml red dragon fruit and 10 ml cassava leaf compared to other mixtures. The highest efficiency and power of the Dye-Sensitized Solar Cell were also obtained with 20 ml of red dragon fruit and 10 ml of cassava leaf
Co-Authors A, Aljufri Abbas Abbas Abdul Rahman Abdul Rahman Aby, Muhammad Adi Setiawan Agam Muarif Ahmad Kamal Arifin Ahmad Nayan Alchalil Alchalil Ali Nur Muhammad Zaidin Balatif Andi Faisal Bakti & Venny Eka Meidasari Andika Syahputra Apandi S, Arpan Arafah, Sadinda Arnawan Hasibuan Asnawi Asnawi Asnawi Asnawi, A Azi Maulana Ikbal Azis, Andy Baihaqi Baihaqi Basyar, Sayyidatun Nashuha Binawati Ginting Branco, Margareta Virnia Dailami, D Daniel Happy Putra Dedi Afandi Diki Dian Andika EKA SAFITRI Eka Safitri Fadhil Risky Ramadhana Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Fitri Zulfidar Fitria, Ananda Hafiz, Ridho Hafli, T Hasni, Dwi Meutia Hendra Syahputra Hidayat, Rizki Ihsanul Fikri Hutabarat Irmawati Irmawati Irwansyah Situmorang Julinawati Julinawati KHAIRI SUHUD Khairi Suhud Khairul Munadi Khairunnisa, Resa M Ihsan M Irsyad K M Muhammad M Munawar M Sayuti M. H. Rais Mendrofa, Intan Nuraini Muhammad Muhammad Muhammad Gazza Muhammad Ihsan Muhammad Ihsan Muhammad Ilham Muhammad Isra Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Nugraha P Muhammad Sadli, Muhammad Muhammad Sayuthi Muhammad, M Muhammad, Muhammad Mukhlisuddin Ilyas Murdani Murdani, Murdani Muzamir Isa Nasruddin Nasruddin Nur Azura Lubis P. A. Pane Panggabean, Septina Hafy Safitri Putra, Reza Qulfaj, Asadda Razali Amna Reza Putra Rianda, Faizar Rifan, Mohamad Rizki Aulia Nanda Rohana Ismail Rossiana Br Ginting Safrizal Safrizal Safrizal, S Sagir Alva Sayuti, Muhammad St Risnawati Basri Suryadi Suryadi Syaefudin, Mochamad Syafrizal Fonna Syamsiar, Syamsiar Syamsul Bahri T Hafli T Hafli Teguh Purnomo, Teguh Teuku Hafli Teuku Mudi Hafli Wahyu Fuadi Wahyuni, Rita Willy Ivan Lucky Yasir Amani Yusuf, Jafaruddin Zahrani, Amilia Zahrila Ismail Zulfahmi Zulfahmi Zulnazri, Z