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- Title
1D Model for Coupled Simulation of Steam Cracker Convection Section with Improved Evaporation Model.
- Authors
Verhees, Pieter; Amghizar, Ismaël; Goemare, Jühl; Akhras, Abdul Rahman; Marin, Guy B.; Van Geem, Kevin M.; Heynderickx, Geraldine J.
- Abstract
The radiation and convection section of a steam cracker are thermally coupled. Optimization and design requires a coupled simulation of both sections. In this work a 1D model for the convection section, CONVEC-1D, is developed. Several models for the different heat transfer phenomena are implemented and evaluated. For flow boiling, an empirical and a mechanistic model are developed and compared for both single- and multicomponent hydrocarbon feeds. The latter is performing best over a wide range of operating conditions, taking into account the different two-phase flow regimes. The coupled iterative procedure is demonstrated for an n-pentane steam cracker convection section.
- Subjects
CRACKER industry; HYDROCARBON synthesis; FLUE gases; HEAT convection; HEAT transfer software; EVAPORATION model (Nuclear physics)
- Publication
Chemie Ingenieur Technik (CIT), 2016, Vol 88, Issue 11, p1650
- ISSN
0009-286X
- Publication type
Article
- DOI
10.1002/cite.201600059