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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2012 Vol.5(1): 141-145 ISSN: 1793-8236
DOI: 10.7763/IJET.2013.V5.528

Some Economic Implications of Deploying Gas Turbine in Natural Gas Pipeline Networks

A. Nasir, P. Pilidis, S. Ogaji, and W. Mohamed

Abstract—The development of a natural gas pipeline system requires important data such as appropriate pipe sizes, gas rate and required delivery pressure. The investment for the pipeline and compressor station is capital intensive and therefore the techno-economic study that will minimize the cost becomes imperative. A techno-economic module which performs the pipelines and compressor station analysis and the economics of a selected gas turbine has been developed. This module is integrated with a thermodynamic performance module of a 34MW gas turbine. The design point and off design simulation was carried out using an in-house performance simulation software called Turbo match (a Cranfield University specially developed gas turbine performance simulation software). As a case study for this analysis, a 24 inch 512km pipeline with a throughput of 4.54 Mm 3 per day (160.3 MMscfd) requiring about a 34MW drive power was employed in order to demonstrate the effects of under and over sizing of pipes and gas turbines. The results presented illustrate the potentials in cost-effectiveness that can be made by correct pipe sizing and gas turbine selection. The results also shows that the gas power required increases with pipe under sizing and reduces with over sizing and this consequently affects the capital investment. Establishing the economics of this important aspect of a gas pipeline will guide the selection of an economic pipe size and appropriate gas turbine which will ultimately lead to an overall cost effective pipeline system.

Index Terms—Gas turbine, natural gas pipeline, performance, techno-economic module.

A. Nasir is with the Gas Turbine Group, Cranfield University, School of Engineering,, Cranfield, MK43 0AL, United Kingdom (e-mail: a.nasir@cranfield.ac.uk).
P. Pilidis is with the Gas Turbine Performance and Head of Power and Propulsion Department, Cranfield university, cranfield, MK43 0AL, United Kingdom (e-mail: p.pilidis@cranfield.ac.uk).
S. Ogaji was with the Department of Power and Propulsion, Cranfield University (e-mail: s_ogaji@yahoo.co.uk).
W. Mohamed is with the Cranfield University, School of Engineering, Cranfield, MK43 0AL, United Kingdom (e-mail: w.mohamed@cranfield.ac.uk).

[PDF]

Cite: A. Nasir, P. Pilidis, S. Ogaji, and W. Mohamed, "Some Economic Implications of Deploying Gas Turbine in Natural Gas Pipeline Networks," International Journal of Engineering and Technology vol. 5, no. 1, pp. 141-145, 2013.

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