IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v13y2020i19p5230-d424964.html
   My bibliography  Save this article

Variable Geometry in Miniature Gas Turbine for Improved Performance and Reduced Environmental Impact

Author

Listed:
  • Szymon Fulara

    (Łukasiewicz Research Network—Institute of Aviation, 02-256 Warsaw, Poland)

  • Maciej Chmielewski

    (Department of Division of Aircraft Engines, Warsaw University of Technology, 00-661 Warsaw, Poland)

  • Marian Gieras

    (Department of Division of Aircraft Engines, Warsaw University of Technology, 00-661 Warsaw, Poland)

Abstract

A miniature gas turbine (MGT) is proposed as a promising future energy source. Increasingly stringent requirements related to harmful combustible gas emissions and a trend towards improved energy generation efficiency drive the quest for new MGT technologies. Variable geometry systems are promising due to enhanced heat management and flow control. Variable combustor cooling and dilution holes together with the variable area nozzle (VAN) system allow for the improvement of gas turbine performance and reduction in pollutant emissions. The proposed systems are based on hot-section geometry changes, in which the size of the combustion chamber holes and turbine nozzle angle can be adjusted. Component and module experimental research were performed at the Warsaw University of Technology, on an MGT test stand. A significant decrease in fuel consumption (up to 47% reduction) and harmful nitrogen oxide emission reduction (NO–by 78% and NO 2 –by 82%) were achieved. These results are related to combustor turbine inlet temperature (TIT) increase up to 1230 K. The tests of the variable geometry systems have also shown an impact on gas turbine power and specific fuel consumption.

Suggested Citation

  • Szymon Fulara & Maciej Chmielewski & Marian Gieras, 2020. "Variable Geometry in Miniature Gas Turbine for Improved Performance and Reduced Environmental Impact," Energies, MDPI, vol. 13(19), pages 1-19, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:19:p:5230-:d:424964
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/13/19/5230/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/13/19/5230/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Victor Fernandez-Villace & Guillermo Paniagua, 2013. "Numerical Model of a Variable-Combined-Cycle Engine for Dual Subsonic and Supersonic Cruise," Energies, MDPI, vol. 6(2), pages 1-32, February.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Dariusz Kozak & Paweł Mazuro & Andrzej Teodorczyk, 2021. "Numerical Simulation of Two-Stage Variable Geometry Turbine," Energies, MDPI, vol. 14(17), pages 1-34, August.
    2. Paweł Niszczota & Marian Gieras, 2021. "Impact of the Application of Fuel and Water Emulsion on CO and NOx Emission and Fuel Consumption in a Miniature Gas Turbine," Energies, MDPI, vol. 14(8), pages 1-15, April.
    3. Paweł Niszczota & Maciej Chmielewski & Marian Gieras, 2022. "Fuel-Water Emulsion as an Alternative Fuel for Gas Turbines in the Context of Combustion Process Properties—A Review," Energies, MDPI, vol. 15(23), pages 1-21, November.
    4. Paweł Niszczota & Marian Gieras, 2021. "Effect of Adding Emulsifier to Fuel on Work Efficiency and Gas Turbine Emissions," Energies, MDPI, vol. 14(17), pages 1-15, August.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Wang, Cong & Yu, Xuanfei & Pan, Xin & Qin, Jiang & Huang, Hongyan, 2022. "Thermodynamic optimization of the indirect precooled engine cycle using the method of cascade utilization of cold sources," Energy, Elsevier, vol. 238(PB).
    2. Dong, Pengcheng & Tang, Hailong & Chen, Min & Zou, Zhengping, 2018. "Overall performance design of paralleled heat release and compression system for hypersonic aeroengine," Applied Energy, Elsevier, vol. 220(C), pages 36-46.
    3. Wang, Cong & Cheng, Kunlin & Qin, Jiang & Shao, Jiahui & Huang, Hongyan, 2022. "Performance comparison of three chemical precooled turbine engine cycles using methanol and n-decane as the precooling fuels," Energy, Elsevier, vol. 249(C).

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:13:y:2020:i:19:p:5230-:d:424964. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.