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May 28, 2026ProcessesOpen Access

Numerical Simulation of Heat-Transfer Characteristics of Organic Heat Carrier Furnace Helical Coil Under Coking Conditions

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Authors

MDMin DuBLB B LiuTZT Zhang

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Overview

Numerical simulation reveals heat transfer impairments in organic heat carrier furnaces due to coking, indicating safety risks.

Key Points

  • This research aims to explore the effects of coke deposition on heat-transfer characteristics in helical coils.
  • Established a three-dimensional steady-state conjugate heat-transfer model using computational fluid dynamics (CFD).
  • Conducted parametric simulations with varying coking degrees (0–20%) and oil inlet velocities (1–3 m/s).
  • Maximum outer wall temperature increased by 66.1% from 344 °C to 572 °C with rising coking degree.
  • Heat absorption of thermal oil decreased by 53.4% as coking degree increased.
  • Inner–outer wall temperature difference increased significantly from 1.61 °C to 251 °C.

Cite This Study

Du et al. (2026) studied this question.

synapsesocial.com/papers/6a17ddab3fad632b0f9da634https://doi.org/10.3390/pr14111722
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