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All Journal International Journal of Electrical and Computer Engineering Jurnal Energi Dan Manufaktur Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) ARTEKS : Jurnal Teknik Arsitektur Makara Journal of Technology INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Journal of Engineering and Technological Sciences Prosiding SNTTM Scientific Contributions Oil and Gas
Nandy Setiadi Djaya Putra
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics

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CHARACTERIZATION OF THERMAL PRECIPITATOR IN SMOKE COLLECTOR BY USING PARTICLE COUNTER Imansyah Ibnu Hakim; Bambang Suryawan; I Made Kartika D; Nandy Putra; Cahyo Setyo Wibowo
Scientific Contributions Oil and Gas Vol 35 No 1 (2012)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.35.1.641

Abstract

Air pollution in major cities in many countries has reaching a very concerning level. One of thecause of air pollution is pollution caused by smoke aerosol. Smoke aerosols that has an averageparticle diameter of 0.1 μm – 1 μm can be found in cigarette smoke, diesel vehicle fume, industrialfume and many else. This condition will be worsen by the increase in the number of smokers, motorvehicles and industry. Therefore we need to pursue the control method for that kind of air pollution.In the literature study, it’s found that the cleaning method of air fi ltration for fi ne particle withdimension of 0.01 – 5 μm are by using thermal precipitator. Thermal precipitator is one method ofair fi ltration based on thermophoretic force, which is if there is a temperature difference betweentwo plates, it will cause the force that will push the particles between the two plates toward theplate that has lower temperature. In the effort to help control and reduce the air pollution, for thisstudy we made a thermal precipitator test equipment to deposit the particles in the air with the useof thermophoretic force. That force is the force applied to the particles that suspended in the fl uidfl ow. The temperature difference between two plates is set at ΔT=5, 10, 15, and 20oC. This studyutilized gas sensors to observe the characterization of thermal precipitator. From the experimentand analysis can be concluded that thermal precipitator can be applied as a smoke collector.
Harnessing Rotating Heat Pipes for Passive Electric Motor Cooling: Enhancing Electric Vehicle Efficiency Siregar, Yasmine Karenita; Rezqi, Khairu; Putra, Gerardo Janitra Puriadi; Fathoni, Andhy M; Putra, Nandy; Abral, Hairul
Journal of Engineering and Technological Sciences Vol. 58 No. 1 (2026): Vol. 58 No. 1(2026): February
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2028.58.1.7

Abstract

Electric vehicles are equipped with electric motors that convert electrical energy into mechanical energy to propel the vehicle. The motor experiences an increase in temperature during operation due to various losses that cause the motor temperature to rise. The performance of the electric motor will be reduced or even damaged if the heat continues to increase and the temperature exceeds 60°C. Therefore, there is a need for a cooling system that can maintain the electric motor's temperature within its working range. This study aims to investigate and test the rotating heat pipe (RHP) as a passive cooling system for electric motors. The objective of this research is to examine the performance of the RHP. The study employs a RHP with installed thermocouples on its surface. Additionally, a slip ring is utilized to serve as interface between the data acquisition module and the thermocouple sensor. In this investigation, the Rotating Heat Pipe was equipped with two slip rings to measure temperature in rotary conditions. This study proves that using RHP can reduce thermal resistance by 30-66% compared to stationary heat pipes.
POROUS MATERIAL ADSORBENTS IN ADVANCES DESIGN CONFIGURATION OF ADSORPTION DESALINATION PROCESS: A REVIEW Riana Ayu Kusumadewi; Setyo Sarwanto Moersidik; Sucipta Laksono; Firdaus Ali; Nandy Putra; Shafira Budiningsih; Widi Ajeng Luthfiyya
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.22613

Abstract

Several desalination systems with distinct operational principles have been developed to enhance the generation of freshwater and optimize system efficiency. Adsorption desalination (AD) systems are highly desirable because to their ability to simultaneously achieve desalination and cooling using minimal energy input. These systems offer significant cost savings in terms of maintenance compared to conventional desalination systems. In order to gain a comprehensive understanding of the fundamental constituents of this desalination technology, the present study initially expounds upon the theory of adsorption and the process of circulation. Aims: The aim of this study is to conduct a thorough analysis of adsorbents for adsorption desalination and adsorption desalination technologies, and investigation into their potential integration with established conventional cycles, including multiple-effect distillation (MED), solar regenerable, and integrated evaporator-condenser cycles. Methodology and results: The findings of this study involve the evaluation and summarization of pertinent research on the fundamental aspects of the adsorption desalination system. These aspects include the thermodynamic process and cycle, performance assessment, adsorbents, and adsorption desalination technologies. The location, heat energy supply, collector, evaporator, condenser, adsorption desalination, adsorbent materials, and findings are investigated. Conclusion, significance and impact study: The discourse pertaining to prospective avenues of research, which will prove beneficial for analogous investigations within this domain, reaches a culmination.
Co-Authors Abral, Hairul Adi Winarta, Adi Agus Pamitran, Agus Anhar Riza Antariksawan Anhar Riza Antariksawan Ardian Roekettino Ardian Roekettino, Ardian Ary Maulana Bambang Suryawan Bambang Suryawan, Bambang Bayu Trianto Bayu Trianto, Bayu Cahyo Setyo Wibowo Cukup Mulyana Dedy Haryanto Dewantara, Annastya Bagas Dewi, Ova Candra Dr.Anhar Riza Antariksawan Engkos K Erwin Prawiro, Erwin Fathoni, Andhy M Fathoni, Andhy M. Firdaus Ali Fitri Wahyuni Gerry Julian Hakim, Imansyah Ibnu Hendrayanto, Priska A. Hendri D.S. Budiono I Made Kartika D Imansyah Ibnu Hakim James Julian Kartika D, I Made Luh Putu Ratna Sundari M. Hadi Kusuma Mohammad Adhitya, Mohammad Muhamad Asvial Muhammad Amin Muhammad Amin Mukhsinun Hadi Kusuma Mulya Juarsa Muthiah Hakim Hadini Putra, Gerardo Janitra Puriadi RA. Koestoer Raldi Artono Koestor Ramadhan, Ranggi S. Rezqi, Khairu Riana Ayu Kusumadewi Ridho Irwansyah Riska Khalisa Rosari Saleh Setyo Sarwanto Moersidik Shafira Budiningsih Siregar, Yasmine Karenita Sucipta Laksono Surip Widodo Tika Hanjani Wayan Nata Septiadi Wayan Nata Septiadi Wibowo, Cahyo Setyo Widi Ajeng Luthfiyya