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All Journal Jurnal Inotera
Setyawan Dwi Nugroho
Polytechnic of Marine and Fisheries Sidoarjo
Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Thermal Optimization of a Dual-Heater Snakehead Fish (Channa Striata) Extraction Chamber through CFD and Experimental Validation Izhary Siregar; Ahmad Jibril; Setyawan Dwi Nugroho; Agus Purwanto
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID610

Abstract

This study investigates the thermal optimization of a rotary extraction chamber for snakehead fish (Channa striata) utilizing a dual-heater configuration. A synergistic two-stage methodology was employed, integrating Computational Fluid Dynamics (CFD) for numerical characterization of convective heat distribution with experimentalvalidation using a physical prototype. CFD simulations revealed a convection-dominated thermal field with a minimal thermal gradient of 8.3°C (63.52°C wall and 55.22°C center), ensuring a stable exposure temperature of approximately 60°C. Experimental trials across a range of 40–110°C and 60–180 minutes identified an optimal operating window of 80–90°C for 120 minutes, yielding a peak extraction volume of 46.4 mL. Quantitative trends indicated that while thermal energy facilitates albumin liberation, temperatures exceeding 100°C trigger a progressive decline in yield due to fluid evaporation and thermal degradation. The integration of dual-source heating and mechanical rotation, as validated by the close agreement between numerical and experimental data, establishes a scalable and predictable framework for high-efficiency protein extraction in fisheries mechanization.
Co-Authors Agus Purwanto Ahmad Jibril Izhary Siregar