Liaw, K.L. and Ong, K.C. and Mohd Ali Zar, M.A.B. and Lai, W.K. and Muhammad, M.F.B. and Firmansyah and Kurnia, J.C. (2023) Experimental and numerical investigation of an innovative non-combustion impulse gas turbine for micro-scale electricity generation. Energy, 266.
Full text not available from this repository.Abstract
Fulfilling electricity demand in a remote platform has been a great challenge for oil and gas industry. With only pressurized gas line available, the choice of technology that can be implemented is limited; one of it is impulse gas turbine. At the moment, no studies investigating the performance of a compact impulse gas turbine which utilizes pressurized gas line has been reported, hindering the wide adoption of this technology. This study is therefore conducted with the main objective to investigate the performance of small scale impulse gas turbine for electricity generation by using computational fluid dynamics (CFD) approach in tandem with experimental validation. Three-dimensional computational model for the turbine is developed. Concurrently, an experimental set-up, consisting of micro impulse gas turbine, electric generator, flow loop and control system, is prepared to validate the model prediction. The effect of several key parameters, such as working fluid, rotational speed, mass flow rate and input pressure are evaluated to obtain operating envelope of the turbine. Overall, good agreement is achieved between numerical model prediction and experimental measured value. On the effect of working fluid, the results indicate that the impulse gas turbine driven by natural gas at 69 bar produce maximum power output of 1743.81 W at lower speed of 4500 RPM while maximum power of 1084.04 W can be achieved when driven by compressed air at 19 bar at rotational speed of 7000 RPM. In addition, a complete operating envelope for the turbine operating with either compressed air or natural gas has been developed. Furthermore, the effect of distance between nozzle outlet and turbine blade has been evaluated for which the optimum distance within studied range is obtained: 49.62 mm for one with compressed air and 54.62 mm for one with natural gas. The result from this study is expected to serve as a guideline in designing micro impulse gas turbine for electricity generation especially for remote offshore platform. © 2022 Elsevier Ltd
Item Type: | Article |
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Additional Information: | cited By 1 |
Uncontrolled Keywords: | Compressed air; Degrees of freedom (mechanics); Drilling platforms; Electric power generation; Gas industry; Gas turbines; Gases; Natural gas; Offshore oil well production; Offshore oil wells; Pressure vessels; Turbomachine blades, Electricity-generation; Gas lines; Offshore oil platform; Performance; Performance and operating envelope; Pressurized gas; Remote offshore oil platform; Six degrees of freedom; Sliding mesh; Sliding mesh and six degree of freedom, Computational fluid dynamics, compressed air; computational fluid dynamics; electricity generation; natural gas; operations technology; turbine |
Depositing User: | Mr Ahmad Suhairi UTP |
Date Deposited: | 04 Jun 2024 14:11 |
Last Modified: | 04 Jun 2024 14:11 |
URI: | https://khub.utp.edu.my/scholars/id/eprint/18789 |