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Budiarti, Kusumawati Dewi
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering

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Optimizing Evaporator Design in ORC Systems for Waste-to-Energy Conversion Using FAST Diagram and Value Engineering Wibowo, R. Susalit Setya; Satmintareja, Satmintareja; Abdurahman, Asep Duduh; Suyatmin, Suyatmin; Darmawan, Darmawan; Gunawan, Ari; Budiarti, Kusumawati Dewi; Baddu, Nasrul; Pramono, Adhi; Faisal, Faisal; Nugroho, Cahyono; Ngudiwaluyo, Suharto; Putra, Zico Pratama
Journal of Engineering and Technological Sciences Vol. 58 No. 3 (2026): Vol. 58 No. 3(2026): June (In Progress)
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.2026.58.3.4

Abstract

The global waste crisis necessitates innovative solutions for sustainable energy conversion. This study presents a comprehensive optimization framework for evaporator design in Organic Rankine Cycle (ORC) systems utilized in waste-to-energy conversion. This research integrates the Function Analysis System Technique (FAST) diagram with Value Engineering (VE) principles to assess the logical hierarchy and cost analysis components of system effectiveness. Evaluation of the 887 kW shell-and-tube evaporator showed tubes, baffles, and shells account for 90% of production costs and are the most thermally efficient components. Further strategic redesign under VE principles resulted in 23% cost reduction with 15% efficiency improvements, demonstrating resource expenditure without performance compromise. The proposed approach offers a foundational methodology for advancing enduring ORC system design while harnessing high waste-to-value electrical energy conversion at low expenses, fostering the circular economy.
Co-Authors Abdurahman, Asep Duduh Ari Gunawan Baddu, Nasrul Cahyono Nugroho Darmawan Darmawan Faisal Faisal Ngudiwaluyo, Suharto Pramono, Adhi Satmintareja, Satmintareja Suyatmin Suyatmin, Suyatmin Wibowo, R. Susalit Setya Zico Pratama Putra