Abstract
A modified algorithm, based on the Newton-Raphson technique, is presented for calculating the composition-temperature profiles and flow rates in an air distillation column. This method recognizes the nonideality of vapor and liquid phases and provides means for variations in the vapor-phase Murphree plate efficiency and in the pressure. These considerations are usually neglected to simplify the calculations. With the proposed method, it is no longer necessary to make these simplifications in order to reduce the computational time. In addition, the calculation does not diverge when it considers the nonidealities of both phases and the variation of vapor-phase Murphree plate efficiency and the pressure. (Previous applications of this technique have been for normal temperatures [1–14]; this presentation applies it to low temperatures.)
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© 1978 Plenum Press · New York and London
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Kawase, Y., Hirose, Y., Toyama, A., Funada, I. (1978). Computational Simulation of Rectifier for an Air Separation Plant Using the Newton-Raphson Technique. In: Timmerhaus, K.D. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 23. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-4039-3_47
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DOI: https://doi.org/10.1007/978-1-4613-4039-3_47
Publisher Name: Springer, Boston, MA
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