OPTIMIZATION OF STEAM PRESSURE LEVEL IN UTILITY SYSTEM CONSIDERING VARIABLE PHYSICAL AND THERMODYNAMIC PROPETIES

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OMIDKHAH M.R.; ZERATKAR A.R.; HOJATI M.R.

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2009 | Volume:28 | Issue:1 Page(s): 11-25

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Title

OPTIMIZATION OF STEAM PRESSURE LEVEL IN UTILITY SYSTEM CONSIDERING VARIABLE PHYSICAL AND THERMODYNAMIC PROPETIES

Author(s)

OMIDKHAH M.R. | ZERATKAR A.R. | HOJATI M.R. | Issue Writer Certificate

Keywords

UTILITY SYSTEMSQ3

TOTAL SITEQ3

OPTIMUM PRESSURE LEVELQ3

PHYSICAL AND THERMODYNAMIC PROPERTIESQ3

OPTIMIZATION TECHNIQUESQ3

Abstract

Utility system design greatly influences the TOTAL SITE design and operation. Therefore, several design approaches have so far been presented in open literature. However, no research has included the variation of PHYSICAL AND THERMODYNAMIC PROPERTIES of steam due to pressure and temperature changes. This research, tries to present a mathematical model for determining optimum utility system considering variable PHYSICAL AND THERMODYNAMIC PROPERTIES of steam. In this mathematical model the corresponding equations of PHYSICAL AND THERMODYNAMIC PROPERTIES have been added into mass and energy balance equations. The complete model is then solved simultaneously in order to produce appropriate structure and optimum levels of steam as well as corresponding heat exchanger duties and turbines' loads. Two different case studies have been solved with this new model and results are compared with conventional method (considering constant PHYSICAL AND THERMODYNAMIC PROPERTIES). The comparison shows that considering the variation of PHYSICAL AND THERMODYNAMIC PROPERTIES of steam not only affects the details such as optimum distribution of exchangers' duties but it may also change the final structure. In one case study exchanger duty reduced by 15% and turbine load reduced by about 100%. This means that considering the variation of PHYSICAL AND THERMODYNAMIC PROPERTIES of steam may change the structure of the final design.

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APA: Copy

OMIDKHAH, M.R., ZERATKAR, A.R., & HOJATI, M.R.. (2009). OPTIMIZATION OF STEAM PRESSURE LEVEL IN UTILITY SYSTEM CONSIDERING VARIABLE PHYSICAL AND THERMODYNAMIC PROPETIES. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 28(1), 11-25. SID. https://sid.ir/paper/26012/en

Vancouver: Copy

OMIDKHAH M.R., ZERATKAR A.R., HOJATI M.R.. OPTIMIZATION OF STEAM PRESSURE LEVEL IN UTILITY SYSTEM CONSIDERING VARIABLE PHYSICAL AND THERMODYNAMIC PROPETIES. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2009;28(1):11-25. Available from: https://sid.ir/paper/26012/en

IEEE: Copy

M.R. OMIDKHAH, A.R. ZERATKAR, and M.R. HOJATI, “OPTIMIZATION OF STEAM PRESSURE LEVEL IN UTILITY SYSTEM CONSIDERING VARIABLE PHYSICAL AND THERMODYNAMIC PROPETIES,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 28, no. 1, pp. 11–25, 2009, [Online]. Available: https://sid.ir/paper/26012/en

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