IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v10y2017i10p1557-d114460.html
   My bibliography  Save this article

Impact of Vitiation on a Swirl-Stabilized and Premixed Methane Flame

Author

Listed:
  • Mao Li

    (Department of Energy Sciences, Lund University, Ole Römers väg 1, SE-221 00 Lund, Sweden)

  • Yiheng Tong

    (Department of Energy Sciences, Lund University, Ole Römers väg 1, SE-221 00 Lund, Sweden)

  • Jens Klingmann

    (Department of Energy Sciences, Lund University, Ole Römers väg 1, SE-221 00 Lund, Sweden)

  • Marcus Thern

    (Department of Energy Sciences, Lund University, Ole Römers väg 1, SE-221 00 Lund, Sweden)

Abstract

Vitiation refers to the condition where the oxygen concentration in the air is reduced due to the mix of dilution gas. The vitiation effects on a premixed methane flame were investigated on a swirl-stabilized gas turbine model combustor under atmospheric pressure. The main purpose is to analyze the combustion stability and CO emission performance in vitiated air and compare the results with the flame without vitiation. The N 2 , CO 2 , and H 2 O (steam) were used as the dilution gas. Measurements were conducted in a combustor inlet temperature of 384 K and 484 K. The equivalence ratio was varied from stoichiometric conditions to the LBO (Lean Blowout) limits where the flame was physically blown out from the combustor. The chemical kinetics calculation was performed with Chemkin software to analyze the vitiation effects on the flame reaction zone. Based on the calculation results, the changes in the temperature gradient, CO concentration, and active radicals across the flame reaction zone were identified. The time-averaged CH chemiluminescence images were recorded and the results indicated the features of the flame shape and location. The CH signal intensity provided the information about the heat-release zone in the combustor. The combustion LBO limits were measured and the vitiation of CO 2 and H 2 O were found to have a stronger impact to elevate the LBO limits than N 2 . Near the LBO limits, the instability of the flame reaction was revealed by the high-speed chemiluminescence imaging and the results were analyzed by FFT (Fast Fourier Transfer). CO emission was measured with a water-cooled probe which is located at the exit of the combustor. The combustion vitiation has been found to have the compression effect on the operation range for low CO emission. However, this compression effect could be compensated by improving the combustor inlet temperature.

Suggested Citation

  • Mao Li & Yiheng Tong & Jens Klingmann & Marcus Thern, 2017. "Impact of Vitiation on a Swirl-Stabilized and Premixed Methane Flame," Energies, MDPI, vol. 10(10), pages 1-16, October.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1557-:d:114460
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/10/10/1557/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/10/10/1557/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Mao Li & Yiheng Tong & Marcus Thern & Jens Klingmann, 2017. "Investigation of Methane Oxy-Fuel Combustion in a Swirl-Stabilised Gas Turbine Model Combustor," Energies, MDPI, vol. 10(5), pages 1-16, May.
    2. Mao Li & Yiheng Tong & Marcus Thern & Jens Klingmann, 2017. "Influence of the Steam Addition on Premixed Methane Air Combustion at Atmospheric Pressure," Energies, MDPI, vol. 10(7), pages 1-16, July.
    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. Yiheng Tong & Shuang Chen & Mao Li & Zhongshan Li & Jens Klingmann, 2017. "Experimental Study on Bluff-Body Stabilized Premixed Flame with a Central Air/Fuel Jet," Energies, MDPI, vol. 10(12), pages 1-14, December.
    2. Zhongya Xi & Zhongguang Fu & Syed Waqas Sabir & Xiaotian Hu & Yibo Jiang & Tao Zhang, 2018. "Experimental Analysis on Flame Flickering of a Swirl Partially Premixed Combustion," Energies, MDPI, vol. 11(9), pages 1-14, September.
    3. Zhongya Xi & Zhongguang Fu & Xiaotian Hu & Syed Waqas Sabir & Yibo Jiang, 2018. "An Experimental Investigation on Flame Pulsation for a Swirl Non-Premixed Combustion," Energies, MDPI, vol. 11(7), pages 1-17, July.
    4. Zhongya Xi & Zhongguang Fu & Syed Waqas Sabir & Xiaotian Hu & Yibo Jiang, 2018. "An Experimental Study on Flame Puffing of a Swirl Partially Premixed Combustion under Varying Mass Flow Rate of Primary Air," Energies, MDPI, vol. 11(7), pages 1-14, July.

    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. Pappa, Alessio & Cordier, Marie & Bénard, Pierre & Bricteux, Laurent & De Paepe, Ward, 2022. "How do water and CO2 impact the stability and emissions of the combustion in a micro gas turbine? — A Large Eddy Simulations comparison," Energy, Elsevier, vol. 248(C).
    2. Abdelhafez, Ahmed & Hussain, Muzafar & Nemitallah, Medhat A. & Habib, Mohamed A. & Ali, Asif, 2021. "Effects of jet diameter and spacing in a micromixer-like burner for clean oxy-fuel combustion in gas turbines," Energy, Elsevier, vol. 228(C).
    3. Hussain, Muzafar & Abdelhafez, Ahmed & Nemitallah, Medhat A. & Araoye, Abdulrazaq A. & Ben-Mansour, Rached & Habib, Mohamed A., 2020. "A highly diluted oxy-fuel micromixer combustor with hydrogen enrichment for enhancing turndown in gas turbines," Applied Energy, Elsevier, vol. 279(C).
    4. Abdulrahman Abdullah Bahashwan & Rosdiazli Bin Ibrahim & Madiah Binti Omar & Mochammad Faqih, 2022. "The Lean Blowout Prediction Techniques in Lean Premixed Gas Turbine: An Overview," Energies, MDPI, vol. 15(22), pages 1-21, November.
    5. Furqan Tahir & Haider Ali & Ahmer A.B. Baloch & Yasir Jamil, 2019. "Performance Analysis of Air and Oxy-Fuel Laminar Combustion in a Porous Plate Reactor," Energies, MDPI, vol. 12(9), pages 1-16, May.
    6. Abdelhafez, Ahmed & Rashwan, Sherif S. & Nemitallah, Medhat A. & Habib, Mohamed A., 2018. "Stability map and shape of premixed CH4/O2/CO2 flames in a model gas-turbine combustor," Applied Energy, Elsevier, vol. 215(C), pages 63-74.

    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:10:y:2017:i:10:p:1557-:d:114460. 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.