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All Journal International Journal of Renewable Energy Development Jurnal Teknik ITS IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Turbo : Jurnal Program Studi Teknik Mesin JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Jurnal Teknologi Terapan Jurnal Teknik Mesin Indonesia JMES The International Journal of Mechanical Engineering and Sciences Automotive Experiences Journal of Railway Transportation and Technology Sewagati International Journal of Renewable Energy Development
Bambang Sudarmanta
Departemen Teknik Mesin Institut Teknologi Sepuluh Nopember
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : iptek journal of proceedings series

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The Effect of Addition Electrical Supercharger on Diesel Dual Fuel Engine with Variation of Air Mass Flow Rate to The Engine Performance and Emissions Jamaludin Jamaludin; Dori Yuvenda; Bambang Sudarmanta
IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.065 KB) | DOI: 10.12962/j23546026.y2019i1.5262

Abstract

Diesel Dual fuel system is a diesel operated by using dual fuel CNG and diesel fuel as a pilot fuel. The problem that often occurs in dual fuel system is the reduced ratio of air and fuel. This causes the thermal efficiency to be lower. So in this study mounted electric supercharger as an air supply for performance and efficiency, and emissions from diesel engines better. This research uses diesel engine type Diamond Di 800 with dual fuel indirect injection model system. The method used is to vary the air mass flow rate (ṁ) through intake manifold to the combustion chamber 0.0063 kg/s, 0.0072 kg/s, 0.0077 kg/s, 0.0087 kg/s, and 0.0095 kg/s by adjusting the voltage on electric supercharger 8V, 9V, 10V, 11V, and 12V. Measurements are made to: the current and the voltage of each load, the consumption time of 25 ml diesel fuel, and the exhaust emissions (CO, HC, and PM). The best result was found that the addition of air mass flow rate (ṁ) to dual fuel system had no significant effect on the engine's effective power, torque, Bmep when compared with single fuel. The addition of air mass flow rate (ṁ) 0.0087 kg/s can substitution the diesel fuel by 56.45%, thermal efficiency increased by 33.57% but under single fuel condition, and increase the average AFR by 64.31%. The average CO and HC emissions decreased by 15.18% and 62.35% even though they were under single fuel condition, while the PM emissions increase with increasing loads but compared to single fuel decreased by 75%
Numerical Study Effect of Secondary Air Mass Flow to Characteristics of Circulating Fluidized Bed Boiler Ahmad Tarmizi; Giri Nugroho; Achmad Syaifudi; Bambang Sudarmanta
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3525

Abstract

In this paper, computational study of Circulating Fluidized Bed (CFB) combustion is analyzed. The results are concern about volume fraction and velocity distribution along the boiler. Simulation result were present in velocity, volume fraction, and pressure profile in boiler. All discussed result are applicable to all type of fluidized bed boiler.This paper will concern about how fluidization and combustion occur in boiler. Simulation present in unsteady state, multiphase direction, k-ε standard turbulence model, species transport combustion model and DPM. In this simulation, fuel, air, and other input materials are defined by actual data from power plant operation. As a result of analysis, the variation of secondary air does affect the characteristics of fluidization and combustion in CFB system. The superficial velocity is found around 4.1 m/s. The pressure generated is about 6642.3 Pa in the windbox area, and in the middle furnace area about -868.6 Pa
Co-Authors Abdul Gafur Achmad Rizkal Achmad Syaifudi Ahmad Arbi Trihatmojo Ahmad Gurnito Ahmad Tarmizi Alham A.K. Mahanggi Amalia Dwi Utami Anas Nurgito Ari Kurniawan Arif Rahman Saleh Arif Wahjudi Ary Bachtiar Krisna Putra Asnil Asnil Atok Setiawan Atok Setiawan Atok Setiyawan Bambang Pramujati Bambang Pramujati Budi Utomo Kukuh Widodo Cholifatus Eka Rahayu Cholifatus Eka Rahayu Depi Rustam Ependi Deviana Dyah Vianita Dicky Yoko Exoryanto Djatmiko Ichsani Dori Yuvenda Dwijo Hartono Eka Setiawan Seputro Erio Daniel Damanik Erzeddin Alwi Felix Dionisius Firlana Baiturrochman Ghulam Asrofi Buntoro Hamzah Fansuri Hanapi Hasan Hendra Bhakti Herman Sasongko Herman Sasongko Imam Maolana Is Bunyamin Suryo Jamaludin Jamaludin Jamaludin Jamaludin Jose da Silva Khadif Gicha Alifio Krismadinata Krismadinata Kuntang Winangun Lukman Atmaja Marthen Paloboran Martias Martias Mirza Hamdhani Moch. Aziz Kurniawan Mohammad Khoirul Effendi Mohammad Khoirul Effendi Muji Setiyo Ni Nyoman Suwarmini Nugroho, Giri Nur Ikhwan Oki Muraza Oki Muraza Pasca Hariyadi Winanda Putra, Randi Purnama Putri Almas Ilka Afifah Rahadian Zainul Remon Lapisa Rhema Adi Magiza Wicaksana Robi Etdji Pangestu Rosid Rosid Rozy Aini Hirowati Salih Özer Sampurno Sampurno Sampurno Sigit Mujiarto Soebagyo, Hary Sri Rizki Putri Primandari Suhardjono Suhardjono Suliono Suliono Tinovia Prasetyo Triyogi Yuwono Yuli Mafendro Dedet Eka Saputra Yusuf Kaelani Yusuf Kaelani