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Pengembangan Model Pembangkit Listrik Tenaga Picohydro Tipe Turbin Cross Flow Head Rendah Gun Gun R Gunadi; Jusafwar; Candra Damis Widiawaty; Machfud Priyo Utomo; Ramdana Ajie Satria; Muhammad Raihan Abimanyu; Adi Syuriadi; Dianta Mustofa Kamal; Rosidi
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1527

Abstract

The provision of food, energy supply, and the provision of information are The food provision, energy supply, and information delivery are controlled to improve people's welfare. In 2011, the national electricity production by PLN was 11% new and renewable energy. 6% hydropower and 5% geothermal. PLN plans the geothermal to be 13% and hydropower to be 6%. The availability of independent PhPP has been built by many communities. PhPP with a waterwheel drive provides a capacity of about 100 watts thus it is only enough for home lighting, whereas the hydro energy potential of the area is quite abundant. The development that has been carried out has several weaknesses; PhPP plump turbine type requires a high head which becomes a constraint for agricultural irrigation, in the other hand PhPP waterwheel type has low efficiency. The research was conducted to develop PhPP low head cross-flow turbine type, which is more efficient. The development begins with the experiment of the PhPP cross-flow turbine model to optimize the ratio of the diameter and width of the runner. A preliminary case study provides experimental results for a cross-flow turbine's torque and power parameters at a flow rate of 0.053 m3/s. Changes in the turbine diameter and width ratio are optimum at a runner width of 10 cm.
CFD2CFD: How computational fluid Dynamics can be a means towards sustainable conscious field dynamics M Hilman Gumelar Syafei; Rizianiza, Illa; Siswantara, Ahmad Indra; Angga Septiyana; Adi Syuriadi; Muhammad Agung Santoso; Ahmad Syihan Auzani
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/eeff4w73

Abstract

The role of Computational Fluid Dynamics (CFD) across diverse applications has been significantly reinforced by rapid advancements in numerical computation, artificial intelligence, and high-performance computing. Nevertheless, prevailing applications of CFD predominantly operate as simulation tools and technical solutions, often neglecting dimensions of awareness, intentionality, and ethical considerations. This study introduces the CFD2CFD paradigm (Computable Field Dynamics to Conscious Field Dynamics), which is conceptualized within the DAI5 framework—comprising Deep Awareness of I, Intention, Initial Thinking, Idealization, and Instruction Set. In this paradigm, Computable Field Dynamics is defined as the material field that can be mathematically represented and numerically resolved, while Conscious Field Dynamics denotes the immaterial field of awareness. To demonstrate this approach, case studies are conducted on representative material fluid phenomena, namely pipe flow, airfoil aerodynamics, and biomass pyrolysis. The integration of Computable Field Dynamics and Conscious Field Dynamics through the DAI5 framework establishes a novel methodological pathway. The contribution of the CFD2CFD paradigm lies in its provision of a computational approach that extends beyond scientific accuracy to encompass sustainability considerations. More importantly, this paradigm is formulated as an epistemic bridge uniting material and immaterial fields, thereby offering a framework for methods that are simultaneously rigorous in scientific validity and oriented toward sustainability.