2018
DOI: 10.1016/b978-0-444-64235-6.50111-x
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Design and Optimisation of Novel Cascade Refrigeration Cycles for LNG Production

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Cited by 9 publications
(16 citation statements)
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“…With the rigorous optimization conducted in our previous work, directly optimizing the Aspen HYSYS model returned a valid solution with a respective shaft work of 144.7 MW. 16 In spite of the slightly lower (i.e., 1.8%) total energy cost compared to that identified by the surrogate model, this rigorous solution was obtained in a time of As a result, the computational cost (i.e., 17 h) required for rigorous model optimization is not practical. Using the surrogate model-based approach as presented in this work, on the other hand, is much more promising.…”
Section: Resultsmentioning
confidence: 99%
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“…With the rigorous optimization conducted in our previous work, directly optimizing the Aspen HYSYS model returned a valid solution with a respective shaft work of 144.7 MW. 16 In spite of the slightly lower (i.e., 1.8%) total energy cost compared to that identified by the surrogate model, this rigorous solution was obtained in a time of As a result, the computational cost (i.e., 17 h) required for rigorous model optimization is not practical. Using the surrogate model-based approach as presented in this work, on the other hand, is much more promising.…”
Section: Resultsmentioning
confidence: 99%
“…This CryoMan Cascade cycle showed potential to achieve shaft work savings of over 13% compared to the C3MR cycle, and up to 5% compared to the DMR cycle. 16 This CryoMan Cascade cycle was developed by making structural modifications in the liquefaction cycle, and adjusting the composition of the mixed refrigerant to reduce the overall shaft work demand. Despite the efforts of previous works to provide thorough analyses and clear systematic methodologies for energy efficiency improvements, optimization of these cascade cycles is still severely restricted by several practical challenges.…”
Section: Introductionmentioning
confidence: 99%
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“…Cascade vapor refrigeration cycles are conventional in LNG processes. New cascade refrigeration systems are investigated 2 . Propane precooled mixed refrigerant (C3MR) cycle, dual mixed refrigerant (DMR) cycle, and mixed fluid cascade (MFC) are of the most conventional large scale cascade refrigeration cycles.…”
Section: Introductionmentioning
confidence: 99%