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All Journal Program Kreativitas Mahasiswa - Penelitian Jurnal Otomasi Kontrol dan Instrumentasi Indonesian Journal of Energy
Nur Abdillah Siddiq
Jurusan Teknik Fisika, Institut Teknologi Sepuluh Nopember, Surabaya
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering

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ANALISIS PENGARUH KOMPOSISI DAN UKURAN NANOKOMPOSIT LiFePO4 Siddiq, Nur Abdillah; Fauzan A., Ahmad; Abdillah, Firqi; Alifah, Miratul; Fadhilah, Nur
Program Kreativitas Mahasiswa - Penelitian PKM-P 2013
Publisher : Ditlitabmas, Ditjen DIKTI, Kemdikbud RI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1107.6 KB)

Abstract

Lithium ion batteries was currently used as an energy source for portable electronic devices and more promising than others. But the conventional LiFePO4 has low ionic diffusivity. Flame spray pyrolysis method was developed as a particle synthesis method. This research reports the effect of LiFePO4 particle size and composition in lithium batteryperformance. As free variables of this research are the carrier gas flow rate and concentration of glucose. From the results obtained, the higher the flow rate of carrier gas so that decrease diffusivity and the higher the glucose concentration so that increase diffusivity.Keywords: LiFePO4, flame spray pyrolysis, diffusivity, particle size, glucose concentration.
STUDI EKSPERIMENTAL NANOREFRIGERAN TiO2-R600a SEBAGAI REFRIGERAN MASA DEPAN Rozaq, Abdur; Siddiq, Nur Abdillah; Putra, Rendy Krisnanta; Yusuf Z, Muhammad Dicky; Muyasaroh, Siti
Program Kreativitas Mahasiswa - Penelitian PKM-P 2014
Publisher : Ditlitabmas, Ditjen DIKTI, Kemdikbud RI

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The use of CFC refrigerants (Chloro Fluoro Carbon) leads to destruction of ozone layer and global warming. An alternative refrigerant is hydrocarbon refrigerant, but it has the disadvantage of easily exploded. This experimental study has been conducted to study the effect of addition of TiO2, which are flame retardant, on the performance of hydrocarbon refrigerant R600a (nanorefrigeran TiO2-R600a). Test of Performance conducted according to refrigerants national standards IEC 60335-2-24-2010. The result is R600a-TiO2 is safe and efficient to be used as a refrigerant without any modification on refrigerator. TiO2 increases the thermal conductivity and heat transfer of refrigerant. The best performance is obtained at TiO2 concentration of 1 g / L (COP = 4,821). It is expected that the nanorefrigeran TiO2-R600a can be used as the primary refrigerant in the future that are environmentally friendly and efficient. Keywords:  Nano-Refrigerant, R600A, TiO2, COP
Evaluating the Energy Performance of Transparent Photovoltaics for Building Windows in Tropical Climates Hendinata, Laurentius Kevin; Prilia, Ribka; Fikri, Ahmad Ilham Rokhul; Suprapto, Michael Alfano; Siddiq, Nur Abdillah
Indonesian Journal of Energy Vol. 7 No. 2 (2024): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v7i2.192

Abstract

Windows are a critical factor in enhancing energy efficiency in buildings, especially in tropical climates, where they are exposed to high-intensity sunlight. The incorporation of transparent photovoltaics using various PV technologies offers the opportunity for windows to harness solar energy for building purposes. The energy-saving benefits of using transparent photovoltaics have been extensively analyzed in various countries, but there is still a lack of comparative studies focusing on tropical countries. Our study aims to fill this gap by assessing the potential of transparent photovoltaics in enhancing energy efficiency in buildings located in Jakarta, Singapore, Kuala Lumpur, Rio de Janeiro, and Kotoka. We developed an energy consumption model located in a tropical climate, utilizing the EnergyPlus software. The simulation results clearly indicate that integrating photovoltaics into the building is particularly advantageous due to consistent solar radiation and the need for cooling and ventilation, resulting in a substantial up to 59.3% reduction in total energy consumption. As a contribution, our research underscores the potential of transparent photovoltaics to revolutionize building energy efficiency in tropical climates, providing significant energy savings and promoting sustainable building practices. Addressing climate challenges, such as temperature and humidity management, necessitates the utilization of advanced materials and design strategies. Additionally, policy challenges encompass the requirement for favorable policies, incentives, and well-defined guidelines for the installation of PV windows.
Rancang Bangun Sistem Pultrusi Arduino Berbiaya Rendah dengan Kontrol Pemanas dan Pemotong Terintegrasi untuk Mengolah Limbah Botol PET menjadi Filamen 3D Printing Bima, Aristo; Siddiq, Nur Abdillah; Dewandaru, Panji; Oka, Thomas
Jurnal Otomasi Kontrol dan Instrumentasi Vol 17 No 2 (2025): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2025.17.2.4

Abstract

Plastic waste, particularly polyethylene terephthalate (PET) bottles, has emerged as a critical global challenge. Single-use plastic production has continued to increase, while Indonesia generates millions of tons of waste annually, with a significant portion being plastic. To address this issue, this study presents the design of a low-cost Arduino-based pultrusion system for recycling PET bottles into 3D printing filament. Unlike existing open-source solutions that rely on manual or separate processing stages, the proposed system integrates heating, cutting, and cleaning modules into a single automated workflow with real-time control of motor speed and nozzle temperature. Experimental results show that filament tensile strength depends on pultrusion temperature, reaching 67.66 MPa at 195 °C, 62.08 MPa at 185 °C, and 58.64 MPa at 175 °C. Energy analysis indicates that the heater consumed of 0.203 kWh to reach the set-point and 0.509 kWh after one hour, while the pultrusion drive consumed 0.00233 kWh and 0.0257 kWh, respectively. Compared with values reported in prior studies, the tensile strength obtained is within or above typical PET filament ranges. These findings demonstrate that the developed system reduces manual handling, improves efficiency, and produces reliable, energy-efficient filament suitable for additive manufacturing.
Co-Authors Abdur Rozaq, Abdur Ahmad Fauzan A. Bima, Aristo Dewandaru, Panji Fikri, Ahmad Ilham Rokhul Firqi Abdillah Hendinata, Laurentius Kevin Miratul Alifah Muhammad Dicky Yusuf Z, Muhammad Dicky Nur Fadhilah Oka, Thomas Prilia, Ribka Rendy Krisnanta Putra, Rendy Krisnanta Siti Muyasaroh, Siti Suprapto, Michael Alfano