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All Journal Patria Artha Technological Journal Indonesian Journal of Multidisciplinary Science Journal Of World Science Journal Of Social And Political Sciences
Sukma, Bayu
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Religion Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences

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Analisis Pengaruh Kebocoran Valve Cylinder Head Terhadap Terjadinya Ledakan Balik (Backfire) Pada Mesin Gas Syarif, Irwan; Aminuddin, Rosihan; Rais, Muh; Taha, Syamsumarlin; Sukma, Bayu; Usman, Jumiaty
Patria Artha Technological Journal Vol 8, No 2 (2024): Patria Artha Technological Journal
Publisher : Department of Electrical Engineering, University of Patria Artha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33857/patj.v8i2.919

Abstract

Penelitian ini bertujuan untuk Mengetahui faktor-faktor yang menyebabkan terjadinya kebocoran valve cylinder head pada mesin Waukesha model L5794LT tersebut dan untuk Mengetahui cara yang dapat dilakukan untuk mengatasi dan mencegah masalah kebocoran valve cylinder head dan ledakan balik (back fire) pada mesin waukesha model L5794LT supaya tidak terjadi pada unit lain sejenis. Metode analisis yang digunakan yaitu metode deskriptif kualitatif dimana data primer didapatkan melalui data tertulis dari buku pedoman mesin dan data sekunder didapat dari hasil wawancara tenaga ahli terhadap masalah ledakan balik yang terjadi pada mesin. Hasilnya yaitu mengetahui faktor penyebab dari terjadinya ledakan balik yang terjadi dikarenakan adanya pengotor berupa deposit karbon yang menumpuk pada payung katup kepala silinder sehingga menimbulkan celah pada payung kepala silinder. cara observasi masalah, langkah penanganan yang tepat berupa pembongkaran katup kepala silinder dan perataan kembali atau penyekiran katup kepala silinder sehingga rapat kembali untuk mengatasi masalah ledakan balik pada mesin Waukesha model L5794LT sehingga kembali normal dan mesin dapat bekerja dengan optimal. Permasalahan yang sama juga tidak diharapkan terjadi pada unit pada model lain yang akan mengganggu kinerja dan optimalisasi mesin di perusahan lain.
PERAN BRANDING DAN REPUTASI DALAM MENINGKATKAN LAYANAN INFRASTRUKTUR PUBLIK DI DINAS PUBMTR PROVINSI SUMATERA SELATAN Sukma, Bayu
Journal Of Social And Political Science Vol. 1 No. 1 (2024): EDISI APRIL 2024
Publisher : CV. Cendikiawan Muda Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70656/jsaps.v1i1.159

Abstract

Penelitian ini meneliti Peran Branding dan Reputasi dalam Meningkatkan Layanan Infrastruktur Publik di Dinas PUBMTR Provinsi Sumatera Selatan terkait proyek jalan dan jembatan. Branding dalam sektor publik menghadapi tantangan unik, sehingga perlu fokus pada integritas dan transparansi untuk membangun persepsi positif dan hubungan yang kuat dengan masyarakat. Melalui pendekatan kualitatif, ditemukan bahwa branding yang dilakukan Dinas PUBMTR masih berfokus pada aspek teknis proyek dan kurang mencakup dimensi emosional yang dapat mempererat hubungan dengan masyarakat. Meski infrastruktur yang dibangun telah memberi manfaat, terdapat keluhan tentang kurangnya komunikasi dan keterlibatan masyarakat dalam pengambilan keputusan. Studi ini menekankan perlunya strategi branding yang lebih inklusif dan komunikatif, serta transparansi dalam komunikasi, untuk meningkatkan kepercayaan dan dukungan publik. Pengelolaan hubungan masyarakat yang proaktif dan keterlibatan masyarakat dinilai penting untuk memperkuat reputasi dan efektivitas layanan infrastruktur.
The Effect Of Boiler Type, Unit Capacity, And Coal Calorific Value On Co? Emission Factors In Coal-Fired Power Plants: A Multi-Method Calculation Approach Sukma, Bayu; Kristanto , Gabriel Andari
Journal of World Science Vol. 4 No. 6 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i6.1432

Abstract

This study analyzed the carbon dioxide (CO?) emission factors of 27 coal-fired power plants in Indonesia using three different calculation approaches sourced from the scientific literature. This study aims to evaluate the accuracy and sensitivity of each method and examine the influence of the technical variables of the plant, namely boiler type and specification, unit capacity, and type of coal calories, on the value of specific CO? emission factors. Data were obtained from accredited emission verification institutions and analyzed in a quantitative descriptive manner with ANOVA statistical tests and correlation. The results showed that the energy output-based method (t CO?/MWh) was more representative of the actual generation conditions, with an average emission value of 1.18 t CO?/MWh. Units with supercritical technology and a capacity of >300 MW tended to have lower emission factors. In contrast, the use of low-calorie coal produces significantly higher emissions. This study provides important recommendations for direct calculation-based emission calculations, selection of low-emission technologies, and the formulation of low-carbon energy policies to support the achievement of Indonesia's NDC.
Landfill design based on methane gas emission estimates at Jatibarang Final Disposal Site (TPA) in Semarang City using LandGEM 3.03 and its potential utilization as an energy source Sukma, Bayu; Kristanto, Gabriel Andari; Dahlan, Astryd Viandila
Indonesian Journal of Multidisciplinary Science Vol. 4 No. 5 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v4i5.1092

Abstract

This study aims to analyze the landfill design based on the estimated methane gas emissions at the Jatibarang Landfill, Semarang City, using the Landfill Gas Emissions Model (LandGEM) software version 3.03 and evaluate its potential utilization as an energy source. The study uses a quantitative approach utilizing mathematical modeling to estimate the estimated gas emissions from the landfill. The results show that the potential for electrical energy that can be generated from landfills is high enough to be recommended for management using the concept of Waste to Energy (WTE) into electrical energy. The recommendation that will be discussed is the management of methanogas emissions by being used as electrical energy, emphasizing infrastructure improvements for optimal energy production and reducing greenhouse gas emissions. This study could also incorporate real-time monitoring of gas emissions and energy production to better understand the dynamics of waste decomposition and the benefits of electricity generated from waste could foster community support for PLTSa initiatives.
Co-Authors AMINUDDIN, ROSIHAN Dahlan, Astryd Viandila Gabriel Andari Kristanto Kristanto , Gabriel Andari Rais, Muh Syarif, Irwan TAHA, SYAMSUMARLIN Usman, Jumiaty