Nazaruddin Sinaga

Nazaruddin Sinaga
Universitas Diponegoro | UNDIP · Department of Mechanical Engineering

Doctor in Mechanical Engineering
Efficiency enhancement of PV/T - research and publication collaboration is welcome

About

233
Publications
406,251
Reads
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614
Citations
Additional affiliations
October 2004 - present
Diponegoro University
Position
  • Head of Department
March 1987 - December 2020
Diponegoro University, Semarang, Indonesia
Position
  • Head of Department
Description
  • Fluid Mechanics, Heat Transfer, Thermodynamics, Internal Combustion Engine, Energy Conversion, Audit Energy, Management Energy, Energy Efficiency, Computational Fluid Dynamics, Renewable Energy, Wind Energy, Solar Energy, Bioenergy, Automotive Technology
Education
August 1995 - August 2004
Bandung Istitute of Technogy and Universite de Valenciennes, France
Field of study
  • Energy Conversion

Publications

Publications (233)
Article
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Peningkatan kebutuhan bahan bakar dan terbatasnya sumber daya alam menyebabkan berkurangnya jumlah minyak yang tersedia. Untuk mengatasi permasalahan tersebut maka diperlukan alat untuk mengukur konsumsi bahan bakar dari kendaraan yang dinamakan fuel flowmeter. Fuel flowmeter adalah alat yang digunakan untuk mengetahui aliran bahan bakar dalam suat...
Article
A propeller's thrust coefficient, efficiency, and torque coefficient are important performance characteristics. They can be harmed by the presence of cavitating flow. Previous numerical studies have shown that cavitating flow can damage a marine propeller as well as reduce its performance. The work presented here investigates the effect of blade nu...
Article
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The world is aiming to shift to electric vehicles by year 2030 and one of the hurdles in the path is thermal management in the battery, motor and cabin. Even though there are several cooling methods available, their choice for a particular application may not be thermodynamically efficient. This study aims to thermodynamically evaluate the performa...
Article
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Train is the main means of land transportation used almost all over the world, including Indonesia. This means of transportation has multiple comparative advantages, is low in pollution, saves land and energy, and is mass in nature. The train is currently a means of transportation that is in great demand by the public. When compared to other means...
Article
Present work focuses on the advanced exergy analysis of a combined system to recover energy from a regenerative supercritical CO2 Brayton cycle. Through thermodynamic analysis of the system, a simulation code in Engineering Equation Solver (EES) has been developed. However, the conventional exergy analysis is a useful tool to determine the location...
Article
The purpose of this research is to examine the performance assessment and multi‐objective optimization of a multigeneration energy systems that include power generation, cooling, and freshwater. The system under investigation is composed of a fuel cell, a multi‐effect desalination plant, an absorption chiller, a steam generator, and a thermoelectri...
Article
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ABSTRAK Teknologi membrane Cellulose Triacetate (CTA), Hollow Fiber (HF) dan Sel Surya Perovskite. Kemampuan membrane mereduksi air garam dan Perovskite mengonversi sinar surya. Model proses pemurnian air laut Reverse Osmosis (RO) menjadi air bersih di mana kebutuhan energi spesifik ditekan menggunakan Energi Dukung Turbin (EDT). Produksi air bers...
Article
In this paper, three two-dimensional cylindrical lithium-ion batteries are simulated. (PCM) surrounds these batteries. The batteries are linearly placed next to each other and the number of triangular blades is placed on them. The temperature values of each battery and battery pack have been examined by varying the distance between the batteries at...
Article
Thermal behavior of diesel, Jatropha curcas methyl ester (JOME), and its B20 blend (20% biodiesel and 80% diesel) are examined from the profiles of thermogravimetry – differential scanning calorimetry (TG-DSC) under air. TG profiles of samples indicate the mass loss steps to volatilization and combustion of methyl esters. Due to the higher temperat...
Article
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Pembangkit listrik adalah kumpulan dari beberapa mesin yang sumber utamanya dari listrik tergabung dalam beberapa sistem atau sub sistem untuk menjalankan proses produksi menghasilkan energi listrik. Tidak semua listrik yang di hasilkan dari Generator disalurkan ke pelanggan namun juga ada listrik yang di pakai sendiri untuk menggerakkan motor-moto...
Article
This paper examines a battery pack consisting of three cylindrical lithium-ion batteries in an enclosure saturated with Phase Change Material (PCM) using COMSOL software. A two-dimensional longitudinal section of the enclosure is evaluated transiently. There are 6 circular fins on the batteries, which are triangular in two dimensions. The temperatu...
Article
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Regenerative flow machines are known to be simple in construction but complex in flow characteristics. Due to this reason, the design of these machines has been primarily esoteric, and hence its performance heavily relies on the experience and expertise of the designer. Since there are no established rules of thumb for designing them, this paper atte...
Presentation
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Hydraulic Energy
Article
The current study examines the impact of bioethanol blends on spark-ignited engine performance using multilayer perception modeling. Waste pomegranate fruits (WPF) from a nearby fruit market are used to make bioethanol. After 72 hours, the fruit juice mixture yielded 1.1 ± 0.3 mLgm⁻¹ ethanol. Each of four ethanol mixes was tested at different speed...
Article
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Geothermal energy is not fully utilized in Indonesia. Until 2020, the realization of geothermal development into electricity is 2,130.7 MW. One of the geothermal power plants (PLTP) in Indonesia that has been operating is the Sarulla Geothermal Power Plant. The total capacity produced by Sarulla is 330 MW. Sarulla is a Geothermal Combined Cycle tha...
Presentation
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Materi ini menjelaskan tentang hukum pertama dan kedua termodinamika dalam sistem konversi energi
Article
Agriculture fruit waste and municipal waste management in many countries, especially in large crowded cities, is a serious problem. In the fruit and vegetable market, tons of garbage are generated that is worthless. Nearly 20–30% of the fruit and vegetables produced are solid waste that causes waste disposal problems. These solid wastes can be used...
Presentation
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Kuliah ini menjelaskan tentang dasar-dasar konversi energi
Article
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Kawasan perkebunan teh PT Pagilaran Batang, Jawa Tengah memiliki nilai radiasi rata-rata 5,30 kWh/m 2 /hari sepanjang tahun 2019 dan rata-rata 4,66 kWh/m 2 /hari dalam rentang 1997-2019. Konsumsi beban listrik PT Pagilaran secara keseluruhan adalah sebesar 2.853.919,89 kWh/tahun. Khusus untuk konsumsi beban listrik pabrik produksi dan pengolahan ad...
Conference Paper
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Makalah ini membahas tentang pengenalan energi terbarukan secara umum, kebijakan pemerintah RI tentang energi terbarukan dan konservasi energi, energi terbarukan yang dapat diterapkan di Indonesia, pemanfaatan energi terbarukan di bidang transportasi sebagai upaya untuk mengatasi masalah energi di Indonesia, dan efisiensi dan konservasi energi pada...
Article
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This study is to determine the heat rate of the steam turbine based on performance tests. Data collection was carried out by the observation method at PT Bukit Pembangkit Innovative PLTU Banjarsari Unit 2. To find out the value of the Heat rate in the steam turbine, a calculation method was used based on the balance of steam "steam" and energy in "...
Article
Fossil fuel depletion and strict government regulations have necessitated the finding of alternatives to conventional fuel sources. The growing population and better transport are increasing the need for energy every day. The pollution and disposal of agriculture and food waste are still serious problems to be tackled. Bioethanol has proved an alte...
Article
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Improving heat transfer from surface to airflow is a current research concern for enhancing energy efficiency. The use of vortex generators for improving heat transfer from the surface to the airflow is very effective. Therefore, this study focuses on applying flat and concave vortex generators with and without holes in order to improve heat transf...
Presentation
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This course about internal incompressible viscous flow, which is given for undergraduate students of mechanical engineering in Diponegoro University, Semarang, Indonesia.
Article
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Cooling tower diperlukan di industri pembangkit listrik tenaga panas bumi untuk sirkulasi air pendingin dengan cara mengontakkan dengan gas tak jenuh sehingga sebagian dari zat cair itu akan menguap dan suhu zat cair turun. PT. Indonesia Power Kamojang menggunakan mesin Cooling tower untuk melakukan pendinginan. Untuk mengetahui performansi kemampu...
Article
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Saat ini sistem pembangkitan energi di dunia masih didominasi oleh energi fosil. Pada pembangkit listrik tenaga panas bumi, Cooling Tower digunakan untuk sirkulasi air pendingin yang dikontakkan dengan gas tak jenuh , sehingga sebagian dari zat cair itu akan menguap, dan suhu zat cair akan menurun. PT. Indonesia Power Kamojang dalam proses pembangk...
Presentation
Full-text available
Kuliah ini menjelaskan aturan, metoda belajar, dan penilaian pada mata kuliah Konversi Energi dan Sistem Pembangkit
Article
The recent Covid-19 pandemic and its required hygiene protocols further revealed the importance of ventilation process in all buildings deal with human life. Solar Chimney Ventilator (SCV) is a type of renewable technology that is able to provide natural ventilation for the buildings. However, conventional SCV is not economical due to its low perfo...
Article
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The importance of ventilation is highlighted through the recent COVID pandemic particularly in populated societies with crowded buildings. The application of single solar chimney ventilator with and without fin, at different tilt angles, is evaluated for Hong Kong climate using transient 3D validated numerical simulation in present research from en...
Article
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In this study, the authors reviewed the use of the ORC working fluid which was simulated using EES and reviewed several previous journals. The working fluids analyzed are isopentane as the working fluid used, isobutane and R245fa, where isobutane produces a higher power output compared to other secondary fluids because the enthalpy of steam enterin...
Article
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The cement industry is one of the most energy intensive industries in the world because in the production process it consumes about 12-15% of the total energy use and is equivalent to 30-40% of the total cement production cost. Exergy analysis is needed to determine work losses on a machine or system. In the calculation of exergy heat capacity data...
Article
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Pengembangan teknologi pengelolaan sampah yang juga menghasilkan energi adalah solusi permasalahan sampah serta energi berkelanjutan. Penanganan sampah belum memadai termasuk kendala lahan, sementara kapasitas sampah semakin bertambah. Penanganan sampah selama ini melalui Landfill Gas Collection dan Teknologi Termal dimana terdapat kendala lahan se...
Research
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Central Java Provincial Regulation No. 12 of 2018 concerning The General Regional Energy Plan of the Central Province of Java sets the target of using renewable energy (RE) in 2030 to reach 21.32%. By 2020, the use of renewable energy has been achieved by 11.89 %, so an improvement of 9.43 % is required to meet the target by the end of 2030. One of...
Article
Full-text available
Countries in the world, especially in Indonesia, are increasingly concerned about greenhouse gas emission and energy crisis, causing it to be necessary to develop alternative clean energy and environmentally friendly. Biohydrogen obtained from biomass conversion can be the best alternative to overcome this problem. This paper was prepared to provid...
Article
Full-text available
Pengembangan teknologi pengelolaan sampah yang juga menghasilkan energi adalah solusi permasalahan sampah serta energi berkelanjutan. Penanganan sampah belum memadai termasuk kendala lahan, sementara kapasitas sampah semakin bertambah. Penanganan sampah selama ini melalui Landfill Gas Collection dan Teknologi Termal dimana terdapat kendala lahan se...
Article
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Abstrak Ketergantungan terhadap bahan bakar fosil untuk pembangkit listrik di Provinsi Sulawesi Selatan masih tinggi yaitu sebesar 69% dari total kapasitas pembangkit. Pembangunan pembangkit listrik tenaga bayu (PLTB) merupakan salah satu cara untuk mengurangi ketergantungan pada bahan bakar fosil serta dengan meningkatkan kemampuan produksi energi...
Article
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Peraturan Daerah Provinsi Jawa Tengah Nomor 12 Tahun 2018 Tentang Rencana Umum Energi Daerah Provinsi Jawa Tengah mengamanatkan target pemanfaatan energi baru terbarukan (EBT) pada tahun 2030 sebesar 21,32%. Hingga tahun 2020 telah tercapai pemanfaatan EBT sebesar 11,89% sehingga diperlukan sebesar 9,43% untuk memenuhi target di tahun 2030. Salah s...
Article
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Dalam menyikapi fenomena tingginya emisi karbon di dunia, Pemerintah Provinsi Jawa Tengah turut berkomitmen untuk meningkatkan rasio pemanfaatan energi baru dan terbarukan (EBT) dengan target sebesar 21,32% pada tahun 2025. Sampai dengan tahun 2020 realisasi bauran EBT di Jawa Tengah baru mencapai 11,89%, sehingga masih perlu peningkatan sebesar 9,...
Article
Full-text available
A heat exchanger is a heat transfer device that transfers heat between two fluids. One type of heat exchanger that is commonly used is a double pipe heat exchanger. This type of heat exchanger consists of a large pipe and a small pipe in it. Methods for increasing the effectiveness of the heat transfer process are of considerable concern, especiall...
Article
Full-text available
Peraturan Daerah Provinsi Jawa Tengah Nomor 12 Tahun 2018 Tentang Rencana Umum Energi Daerah Provinsi Jawa Tengah mengamanatkan target pemanfaatan energi baru terbarukan (EBT) pada tahun 2030 sebesar 21,32%. Hingga tahun 2020 telah tercapai pemanfaatan EBT sebesar 11,89% sehingga diperlukan sebesar 9,43% untuk memenuhi target di tahun 2030. Salah s...
Article
Full-text available
Boilers are one of the main equipment in the PLTU apart from turbines and generators. Each year there must be a difference in the actual boiler efficiency value with the conditions during commissioning. Periodically, boiler performance evaluations are carried out in order to identify losses from several factors. In this study, the method used for e...
Article
Full-text available
Energy use always increases, especially fossil energy. Through the National Energy Policy, the government continues to strive to increase the role of new and renewable energy sources so as to reduce dependence on fossil energy. Solar power generation is a type of renewable energy generator that capable to convert solar energy to electric energy. Th...
Article
This work focuses on exctracting ethanol from waste pomegranate (Punica granatum) and the experimental investigation of impact of various mixtures on emissions and engine performance. Ethanol is produced through the fermentation process of waste pomegranate fruits. Four combinations, namely E10, E15, E20, and E25, were prepared and tested for vario...
Article
The authors would like to add the following Addendum to the affiliations of the authors of this article: D.Y.Dhandea D.V.Nighotb Nazaruddin Sinagac Kiran B.Dahea a Department of Mechanical Engineering, AISSMS College of Engineering, Pune, Maharashtra State 411001, India b Department of Engineering Sciences, AISSMS College of Engineering, Pune, M...
Article
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Sampah di Indonesia masih dianggap sebagai bahan sisa yang tidak diinginkan keberadaannya dan bukan sebagai sumber daya yang dapat dimanfaatkan. Hal tersebut dapat terlihat dari semakin banyaknya sampah yang menumpuk di tempat pembuangan akhir (TPA). Paradigma pengelolaan sampah selama ini yang bertumpu pada pendekatan akhir (end of pipe) sudah saa...
Article
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Permasalahan sampah di Indonesia masih banyak menimbulkan masalah sosial dan lingkungan, sehingga aplikasi teknologi yang mampu menangani tingginya volume sampah semakin mendesak untuk diaplikasikan. Solusi teknologi termal dalam penanggulangan sampah yang tersedia saat ini masih membutuhkan kajian kelayakan untuk dapat diterapkan di Indonesia. Sal...
Article
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In handling cargo, some types of ships have different ways. On gas tankers containing LPG, a special process is required in avoiding explosions in cargo tanks and avoiding the waste of cargo into the atmosphere. The process of handling the payload is the inerting porses on the payload tank. This process includes inert gas with oxygen levels of less...
Article
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A pump is a device used to move fluid from a lower pressure and/or position to a higher position. One example of a pump is an axial pump. Axial pumps are pumps that work by using the rotational motion of the blades and have a flow direction parallel to the axis of the shaft. Along with the development of the times, methods to improve pump performan...
Article
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In several previous studies, CFD (computational fluid dynamics) has been widely used to examine intake manifolds. From this, it is found that the fluid flow in the intake manifold can be fully developed, in this scientific paper an analysis will be carried out using the CFD simulation method, on the intake manifold of a 4-cylinder engine, to determ...
Article
This research work deals with the application of response surface methodology and artificial neural network-based mathematical modelling of abrasive wear volume for a dry sliding wear of PTFE pin. The experiments were designed based on central composite design. The disc speed, load and sliding distance have been selected as parameters of the proces...
Article
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This work focusses on a novel technique of producing bioethanol from fermented pomegranate fruits waste by using Saccharomyces cerevisiae, commonly known as baker's yeast. Four different blends of bioethanol, namely PE10, PE15, PE20, and PE25 were experimented at various operating speeds. It was inferred that the addition of ethanol enhanced the co...
Article
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At present study, thermal performance of a double tube heat exchanger due to stream of air/water two phase flow through inner tube is experimentally studied. Air and hot water were mixed in a T-junction outside heat exchanger and then were followed into inner tube of heat exchanger. Told water flow rate was kept constant and was equal to 2 lit/min....
Article
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In present study, a 2D rectangular enclosure was considered as a latent thermal energy storage (LTES) system. Lauric acid was used as PCM material. The aim of this study was to use fins to enhance melting process of PCM. Position and shape of double fins were considered as investigating parameters. At first stage three different positions were cons...
Article
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Abstract Vorticity causes many adverse effects on the area near the surface, both on moving (turbine blade) and fixed objects. Therefore, this study attempts to investigate the effects of free-stream turbulence on trailing edge vortex on the NACA 0015 airfoil profile. This research was conducted using two-dimensional numerical simulations. To deter...
Poster
Read Achievement of Nazar in Researchgate 23 NOvember 2020
Article
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We have had high expectations for using algae biodiesel for many years, but the quantities of biodiesel currently produced from algae are tiny compared to the quantities of conventional diesel oil. Furthermore, no comprehensive analysis of the impact of all factors on the market production of algal biodiesel has been made so far. This paper aims to...
Poster
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Materi Kuliah Konversi Energi dan Sistem Pembangkit (PCEN8105) Program Magister Energi Sekolah Pasca Sarjana Universitas Diponegoro "First Law of Thermodynamics"
Presentation
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Materi Kuliah Konversi Energi dan Sistem Pembangkit (PCEN8105) Program Magister Energi Sekolah Pasca Sarjana Universitas Diponegoro "Basic Concept"
Presentation
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Materi Kuliah Konversi Energi dan Sistem Pembangkit (PCEN8105) Program Magister Energi Sekolah Pasca Sarjana Universitas Diponegoro "Energy Forms"
Presentation
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Inviscid Incompressible Flow
Presentation
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DImensional Analysis
Presentation
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Chapter-4
Presentation
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Dimensional Analysis
Conference Paper
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SAlah satu upaya untuk menurunkan emisi gas buang kendaraan bermotor adalah dengan menggunakan bahan bakar dengan nilai oktan atau cetane yang sesuai dengan yang dianjurkan oleh pabrik pembuat kendaraan. Oleh karena itu penggunaan bahan bakar dengan angka oktan yang tidak sesuai dengan spesifikasi kendaraan dapat meningkatkan, menurunkan atau tidak...
Presentation
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Disampaikan pada Dialog Publik yang diselenggarakan oleh Yayasan Lembaga Konsumen Indonesia Jawa Tengah dengan tema: “Mewujudkan Semarang Sebagai Kota Metropolitan Cerdas Berwawasan Lingkungan dengan Penggunaan BBM Berkualitas” Semarang, 17 September 2020
Poster
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Read Achievement Sept 14, 2020
Poster
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Read Achievement September 07, 2020
Presentation
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Chapter-2
Poster
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Read Achievement Researchgate August 31, 2020
Presentation
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Chapter-2
Presentation
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Penjelasan tentang perkuliahan Motor Bakar Torak Semester Ganjil 2020/21
Presentation
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Chapter-1
Presentation
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Introduction
Article
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Fin and tube heat exchangers use gas as a cooling/heating medium on the fin side. The low thermal conductivity of gases results in high thermal resistance, which results in a low rate of heat transfer. Therefore, the researchers sought to reduce thermal resistance on the fin side. This study aims to increase heat transfer by reducing thermal resis...
Poster
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Article Raed Achievement 12 August 2020
Poster
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Poster
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Reaserch Achievement
Poster
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Article
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One of the tea processing that affects the quality of tea is the drying process. The tea drying process was simulated using CFD software to get temperature distribution of tea also determine the optimal value of velocity and temperature inlet. The tea drying simulation is carried out on cylindrical tea, which has a size of D = 3.5 mm and p = 14 mm...
Article
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The researches on fuel alternative for the spark-ignition engine are currently conducted intensively, including the use of methanol-gasoline blend. One of the problems faced against the use of this fuel is the decreasing of engine performance. In this research, the use of the additive in a spark-ignition engine fueled with methanol-gasoline M15was...
Article
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Air turbulence can affect the aerodynamic performance of wind turbines, and this effect is less on vertical wind turbines compared to horizontal wind turbines. In addition, vertical wind turbines have many advantages, but the literature related to their use to produce power is still small and needs to be developed. In this study, the effect of free...
Poster
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Read Achievement 15 June 2020
Presentation
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Immersion Cooling
Presentation
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Cooling Techniques for High Density Electronics
Presentation
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Heat sinks and cold plates for electronics cooling
Presentation
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Heat pipes technique in electronic cooling
Presentation
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Thermoelectric cooling
Cover Page
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Read Achievement on Researchgate - 1 June 2020
Presentation
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ISO 50001 EMS
Presentation
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Engine Turbo and Super Charging
Presentation
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Reciprocating Compressor
Presentation
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Condensation Heat Transfer
Presentation
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Reciprocating Pump
Presentation
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ANALIS EKONOMI PADA PROGRAM KONSERVASI ENERGI
Presentation
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