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Gas flow network analysis in putrajaya residential area using cox method

Sharifah Rahimah, Wan Mahdi (2012) Gas flow network analysis in putrajaya residential area using cox method. Faculty of Chemical & Natural Resource Engineering, Universiti Malaysia Pahang.

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Abstract

This paper presents a gas flow network analysis in Putrajaya residential area which focusing on natural gas pipeline due to its economical advantages.Increasing demand of natural gas makes the distribution pipeline network becomes more and more complex.Pressure drop occurs in pipeline during the transportation especially for the existing pipeline when the capacity of pipeline increases. Various formula of gas flow equation is used for sizing and designing a proper distribution system to avoid the reduced delivery pressure or pressure drop that may not acceptable to the customer receiving the gas.The objectives of this research are to validate Cox Equation as well as to compare the actual pressure drop with the current pressure drop which is calculated using Cox method.The actual pressure drop data from GMSB which based on Pole Equation is compared and results show less pressure drop for Cox Equation. This Cox method can be applied for supply pressure above 29.4kPa was implemented using a loop method as a gas network analysis in designing a natural gas distribution system.Loop method is applied to determine the gas flow rate for the interconnected gas pipeline network. Hardy Cross method was used for solving looped network. Final gas flow rate was determined after the convergence of absolute value of looped correction is decreased and gets stable value.Finally,Cox method is used for sizing the gas pipeline by referring the API 5L Scheduled 40 Table. In conclusion,Cox Method is applied for the existing natural gas pipeline in Putrajaya residential area and shows the reduction of pressure drop as well as looped gas distribution network is able to ensure the security, continuity and reliability of supply pressure to the various customers.

Item Type: Undergraduates Project Papers
Uncontrolled Keywords: Gas pipelines Natural gas pipelines
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Shamsor Masra Othman
Date Deposited: 08 Jul 2014 03:45
Last Modified: 03 Mar 2015 09:23
URI: http://umpir.ump.edu.my/id/eprint/5118
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