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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Bulletin of Electrical Engineering and Informatics Jurnal Teknosains Sinergi Journal of Engineering and Technological Sciences JFA (Jurnal Fisika dan Aplikasinya) Jurnal Teknik Mesin Konversi Journal of Physics: Theories and Applications Turbo : Jurnal Program Studi Teknik Mesin Jurnal Kimia Terapan Indonesia Indonesian Journal of Chemistry Jurnal Teknik Mesin Indonesian Journal of Energy Indonesian Journal of Electrical Engineering and Computer Science Journal of Materials Exploration and Findings (JMEF) International Journal of Innovation in Mechanical Engineering and Advanced Materials Journal of Bioresources and Environmental Sciences Journal Of Carbazon Jurnal Sains Materi Indonesia Journal of Batteries for Renewable Energy and Electric Vehicles
Deni Shidqi Khaerudini
Universitas Mercu Buana
Aerospace Engineering Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Correlation Analysis of Battery Capacity, Range, and Charging Time in Electric Vehicles Using Pearson Correlation and MATLAB Regression Sanusi, Yasa; Pudjiwati, Sri; Tarigan, Kontan; Ginting, Dianta; Adnan, Farrah Anis Fazliatun; Timuda, Gerald Ensang; Darsono, Nono; Chollacoop, Nuwong; Khaerudini, Deni Shidqi
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 7, No 3 (2025): Article in Press
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v7i3.31800

Abstract

The increasing adoption of electric vehicles (EVs) reflects growing global awareness of climate change and air pollution challenges. As a sustainable alternative to conventional internal combustion vehicles, EVs produce zero tailpipe emissions and can significantly reduce carbon emissions—particularly when powered by renewable energy sources. However, one of the primary barriers to widespread EV adoption remains the high cost of battery components, which are essential to vehicle performance and energy storage. In Indonesia, two dominant battery types used in EVs are Lithium Ferro Phosphate (LFP) and Nickel Manganese Cobalt (NMC), each offering distinct advantages. LFP batteries are recognized for their thermal stability and longer life cycles, making them suitable for everyday use, while NMC batteries offer higher energy density and are preferred for performance-focused and long-distance applications. This study aims to evaluate the correlation between battery capacity, driving range, and charging time for LFP and NMC batteries using Pearson correlation and regression analysis through MATLAB simulation. The results indicate a strong and statistically significant correlation among the key parameters, with a Pearson coefficient of 0.576 for battery capacity and range, and an R-square value of 0.99 for the regression model, demonstrating high predictive accuracy. Furthermore, the analysis reveals that LFP batteries have a higher average energy efficiency of 7.53 km/kWh compared to 6.84 km/kWh for NMC batteries, indicating more consistent performance in energy usage. These findings offer valuable insights for optimizing battery selection in EV applications and contribute to strategic planning for the development of more efficient electric vehicle systems. The combination of statistical and simulation-based analysis provides a robust foundation for future research and policy-making in the field of electric mobility.
Two-stage Anaerobic Reactor Design of SS 316 Material with Application of Penetrant Test Method (NDT) Gea, Markus; Khaerudini, Deni Shidqi
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v13i2.27069

Abstract

Abstract-- Anaerobic reactors are essential in processing organic waste, biomass, and wastewater into desired end products through a dark fermentation process. This process involves bacteria decomposing organic matter without light or oxygen, producing hydrogen gas, and other by-products. In this study, the design, manufacture, and testing of a two-stage anaerobic reactor of stainless steel 316 material were carried out carefully, considering dimensions, and material specifications. The device design process involved design simulation using SolidWorks, while the manufacturing stage involved material preparation, component forming, welding, and device installation. Testing was conducted using Nondestructive testing (NDT) methods to detect surface defects, and ensure the structural integrity of the reactor. This study provides an in-depth overview of the manufacturing process of a two-stage anaerobic reactor, including material preparation, welding, and NDT testing, hoping to contribute to developing more effective, and sustainable organic waste treatment technologies.
STUDY OF FINITE DIFFERENCE METHOD IN HEAT FLOW SIMULATION OF TWO-CHAMBER THERMOS SEPARATOR MADE OF POLYPROPYLENE USING MATLAB APPLICATIONS Pandriana, Aap; Pudjiwati, Sri; Alva, Sagir; Tarigan, Kontan; Sudarma, Andi Firdaus; Khaerudini, Deni Shidqi
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v13i2.27803

Abstract

Heat transfer can be defined as transfer of energy from one area to another as a result of temperature differences in objects. This indicates heat transfer not only explains how heat energy is transferred from one object to another, but can also predict the rate of heat transfer that occurs under certain conditions. In this case, what is related to the heat flow model equation is two-chamber thermos separator where the separator is made of polypropylene. This separator functions to prevent the flow of heat from one side to the other side of the thermos tube. Polypropylene is included in the insulator category, although heat transfer still occurs. The heat transfer will be calculated using the finite difference method in parabolic partial differential equations using the Matlab application. The heat transfer process is assumed to occur by conduction, with a separator length of 1 cm. Assume the first side of the divider has a right temperature of 100°c, and the other side 20°c. The temperature point measured on the separator is located in the center of the separator. After completing the solution using the Matlab application with the finite difference method, a heat transfer flow simulation was obtained in the two-chamber thermos separator which shows the heat flow transfer at any time. At 0.1 seconds the temperature at T1 is 2.4°c, while at 10 seconds  is 65.9704°c. Then at 0.1 seconds the temperature at T4 is 0.48°c, while at 10 seconds 19.5436°c. The conclusion is in the separator of the two-chamber thermos there is significant heat flow from the side of the first tube to the other side.
STUDY OF THE NEWTON RAPHSON METHOD IN ANALYZING THE DEPTH OF FLUID FLOW IN THE WASTEWATER CANAL U RPS TKRO SMKN 1 CIRUAS USING THE MATLAB APPLICATION Susilo, R Dwi Pudji; Tarigan, Kontan; Sudarma, Andi Firdaus; Oktaviani, Ana Nur; Khaerudini, Deni Shidqi; Fitri, Muhamad
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v13i2.27624

Abstract

Abstract--Flow Depth can be defined as channel height or open channel flow depth, is an important parameter in hydraulic calculations and analysis. The depth of flow in the U channel (U channel) of the Student Practice Room (RPS) for Automotive Light Vehicle Engineering (TKRO) at SMKN 1 Ciruas often causes delayed flow congestion and full channels. Sometimes it is dry if only a few students carry out practical use of room practice and use of water and other waste. The aim of this research is to find a solution to this problem, namely by knowing the depth of flow in the channel so that in the future when designing waste water drainage channels it can be designed appropriately and in accordance with the volume of waste released. The method is to calculate the flow depth in the U channel using NEWTON RAPHSON numerical analysis and the Matlab application to determine the flow depth. The calculation result is the depth of water flow in channel U, with water flow discharge Q = 0.016 m3/s, Manning coefficient for roughness of channel walls and base n = 0.025, slope of channel bottom I = 0.003, and width of channel U B = 0.22 m, at The 11th and 12th iterations flow depth = 0.194864 m. The results of manual exact calculations in the 11th and 12th iterations, the error percentage is 0%, meaning that the flow depth is uniform at a water level of 0.194864 m. Calculations using the Matlab application obtained graphs and the iteration steps were slightly different in the 12th and 13th iterations, the flow depth results were the same = 0.194864 m. The initial guess at flow depth(h)=1, the percentage error is 25%, the uniform flow depth of the RPS TKRO SMKN 1 Ciruas U channel is 0.194864 m.Keywords : Depth of flow, NEWTON RAPHSON, Open Channel, U Channel, MATLAB
Co-Authors Abdul Hamid Budiman Abdul Hamid Budiman Abdulloh Rifai Abu Bakar, Afarulrazi Ade Utami Hapsari Ade Utami Hapsari Adnan, Farrah Anis Fazliatun Afarulrazi Abu Bakar Aghni Ulma Saudi Aghni Ulma Saudi Agustanhakri Agustanhakri Aiman Sajidah Abd Aziz Akhiruddin Maddu Ana Nur Octaviani Andhika Prima Prasetyo Andi Firdaus Sudarma Andri Hardiansyah Anggito Pringgo Tetuko Annisa Azzahra Arif Tjahjono Arif Tjahjono Arif Tjahjono Azizi, Muhammad Bambang Mulyanto Bambang Mulyanto Chollacoop, Nuwong Dafit Feriyanto Damisih Damisih Damisih Damisih Damsyik, Akhmad Dani Tri Wahyudi Dani Tri Wahyudi Desi Fajarwati Destyorini, Fredina Dita Adi Saputra Djajadiwinata, Eldwin Dwi Pudjisusilo, Raden Edy Herianto Majlan F. Adany Fajar Arif Kurniawan Fania, Adhista Faozan Ahmad Fira Rizky Fitri Suryani Arsyad Fredina Destyorini Galih Taqwatomo Gea, Markus Gerald Ensang Timuda Gerald Ensang Timuda Ginting, Dianta H. Hardhienata Hanif Yuliani Hanif Yuliani Henry Widodo Ilham Nur Dimas Yahya Indayaningsih, Nanik Indri Susanti Indriyati Indriyati Iqbal, Rendy Muhamad Irmawati, Yuyun Isnaeni Isnaeni Jarot Raharjo Jarot Raharjo Kurniawan Kurniawan Lukman Faris Nurdiyansah Marcelinus Christwardana Mardiyati, Mardiyati Masno Ginting Mas’ud Asadullah Muhamad Fitri Muhammad Dikdik Gumelar Muljadi Muljadi Muljadi Muljadi Nada Hashida Lathifah Nanik Indayaningsih Nisya Ulmiah Nofrijon Sofyan, Nofrijon Nono Darsono Nono Darsono Nono Darsono, Nono Nuwong Chollacoop Oka Pradipta Arjasa Oka Pradipta Arjasa Oktaviani, Ana Nur Pandriana, Aap Perdamean Sebayang Permono Adi Putro Pratama, Wisnu Pudjiwati, Sri Retna Deca Pravitasari Retna Deca Pravitasari Retno Agnestisia Riandy Putra Riesma Tasomara Rike Yudianti Robi Suherman Sabilly Handi Pradana Saddam Husin Safaat, Mukhtar Sagir Alva Sanusi, Yasa Saptari, Sitti Ahmiatri Simanjutak, Elfrida Roulina Simarmata, Sari Namarito Sinaga, Tiara Cristy Sinaga, Tiara Cristy Agatha Slamet Priyono Sri Rahayu Sudarma, Andi Firdaus Susilo, R Dwi Pudji Tarigan, Kontan Teguh Imam Prasetya Tommy Martin Syauta Triyanto Pangaribowo Vivi Friliandita Vivi Friliandita Wahyu Mulyo Utomo Wahyu Mulyo Utomo Wahyu Tri Utami Wahyudi, Dani Tri Widodo, Aditya Putra Widodo, Henry Wulandari, Ika Octavia Yunata Mandala Putra Yurian Ariandi Andrameda Yuyun Irmawati Yuyun Irmawati