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All Journal Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Imam Khoirul Subekti
Universitas Singaperbangsa Karawang
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering

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Analisis Sensitivitas Variasi Kondisi Operasi terhadap Kinerja Termal Shell and Tube Heat Exchanger Imam Khoirul Subekti; Aa Santosa; Boni Sena
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 5 (2026): Oktober: Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i5.1773

Abstract

  Shell-and-tube heat exchangers transfer thermal energy between fluids at different temperatures, with mass flow rate influencing heat transfer. This study analyzed heat transfer sensitivity to mass flow rate variations through numerical analysis using operational data from PT XYZ as reference conditions. These included hot fluid inlet and outlet temperatures of 120°C and 80°C, cold fluid inlet and outlet temperatures of 30°C and 60°C, a reference mass flow rate of 2 kg/s, and specific heat capacity of 4.18 kJ/kg°C. Mass flow rates of 1.0, 1.5, 2.0, 2.5, and 3.0 kg/s were analyzed while temperatures and specific heat capacity remained constant. Calculated heat transfer increased linearly from 125.4 kW to 376.2 kW, with each 0.5 kg/s increment producing an increase of 62.7 kW. At reference conditions, heat transfer was 250.8 kW and the Log Mean Temperature Difference was 54.85°C. These results represent model-predicted sensitivity under fixed thermal assumptions rather than measurements across all flow rates at PT XYZ, and may not reflect the exchanger’s actual response under varying operating conditions.
Co-Authors Aa Santosa Boni Sena