The effects of piloting on turbulent flame structure

Ryan Shupp, Ankit Tyagi, Isaac Boxx, Stephen J. Peluso, Jacqueline Antonia O'Connor

    Research output: Contribution to conferencePaper

    Abstract

    Pilot flames are commonly used to study turbulent flames as they present a means of preventing blow off at higher velocities. There are open questions regarding how pilot flames affect the main flame. This is true for both anchoring pilots, which are small pilot flames located at the base of the flame, and back-support pilots, which produce adiabatic or superadiabatic boundaries around the flame. The question of how the presence and size of pilot flames affect the properties of the main flames is important to understanding the behavior of the main flame. The purpose of this study is to explore how the presence of pilot flames affects the flame surface density, global consumption speed, and flame curvature statistics of a turbulent, premixed flame over a range of velocities. Natural gas was used as a fuel and the equivalence ratio was held constant at 1. Three different pilot flame configurations were used to explore the interaction between flame and pilot, including variations in the presence of both the anchoring pilots and the back-support pilots. The results of this study will affect our interpretation of flame sheet dynamics in a range of piloted flames.

    Original languageEnglish (US)
    StatePublished - Jan 1 2018
    Event2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018 - State College, United States
    Duration: Mar 4 2018Mar 7 2018

    Other

    Other2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018
    CountryUnited States
    CityState College
    Period3/4/183/7/18

    Fingerprint

    turbulent flames
    flames
    Natural gas
    Statistics
    premixed flames
    natural gas

    All Science Journal Classification (ASJC) codes

    • Mechanical Engineering
    • Physical and Theoretical Chemistry
    • Chemical Engineering(all)

    Cite this

    Shupp, R., Tyagi, A., Boxx, I., Peluso, S. J., & O'Connor, J. A. (2018). The effects of piloting on turbulent flame structure. Paper presented at 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, State College, United States.
    Shupp, Ryan ; Tyagi, Ankit ; Boxx, Isaac ; Peluso, Stephen J. ; O'Connor, Jacqueline Antonia. / The effects of piloting on turbulent flame structure. Paper presented at 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, State College, United States.
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    abstract = "Pilot flames are commonly used to study turbulent flames as they present a means of preventing blow off at higher velocities. There are open questions regarding how pilot flames affect the main flame. This is true for both anchoring pilots, which are small pilot flames located at the base of the flame, and back-support pilots, which produce adiabatic or superadiabatic boundaries around the flame. The question of how the presence and size of pilot flames affect the properties of the main flames is important to understanding the behavior of the main flame. The purpose of this study is to explore how the presence of pilot flames affects the flame surface density, global consumption speed, and flame curvature statistics of a turbulent, premixed flame over a range of velocities. Natural gas was used as a fuel and the equivalence ratio was held constant at 1. Three different pilot flame configurations were used to explore the interaction between flame and pilot, including variations in the presence of both the anchoring pilots and the back-support pilots. The results of this study will affect our interpretation of flame sheet dynamics in a range of piloted flames.",
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    Shupp, R, Tyagi, A, Boxx, I, Peluso, SJ & O'Connor, JA 2018, 'The effects of piloting on turbulent flame structure' Paper presented at 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, State College, United States, 3/4/18 - 3/7/18, .

    The effects of piloting on turbulent flame structure. / Shupp, Ryan; Tyagi, Ankit; Boxx, Isaac; Peluso, Stephen J.; O'Connor, Jacqueline Antonia.

    2018. Paper presented at 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, State College, United States.

    Research output: Contribution to conferencePaper

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    AU - Shupp, Ryan

    AU - Tyagi, Ankit

    AU - Boxx, Isaac

    AU - Peluso, Stephen J.

    AU - O'Connor, Jacqueline Antonia

    PY - 2018/1/1

    Y1 - 2018/1/1

    N2 - Pilot flames are commonly used to study turbulent flames as they present a means of preventing blow off at higher velocities. There are open questions regarding how pilot flames affect the main flame. This is true for both anchoring pilots, which are small pilot flames located at the base of the flame, and back-support pilots, which produce adiabatic or superadiabatic boundaries around the flame. The question of how the presence and size of pilot flames affect the properties of the main flames is important to understanding the behavior of the main flame. The purpose of this study is to explore how the presence of pilot flames affects the flame surface density, global consumption speed, and flame curvature statistics of a turbulent, premixed flame over a range of velocities. Natural gas was used as a fuel and the equivalence ratio was held constant at 1. Three different pilot flame configurations were used to explore the interaction between flame and pilot, including variations in the presence of both the anchoring pilots and the back-support pilots. The results of this study will affect our interpretation of flame sheet dynamics in a range of piloted flames.

    AB - Pilot flames are commonly used to study turbulent flames as they present a means of preventing blow off at higher velocities. There are open questions regarding how pilot flames affect the main flame. This is true for both anchoring pilots, which are small pilot flames located at the base of the flame, and back-support pilots, which produce adiabatic or superadiabatic boundaries around the flame. The question of how the presence and size of pilot flames affect the properties of the main flames is important to understanding the behavior of the main flame. The purpose of this study is to explore how the presence of pilot flames affects the flame surface density, global consumption speed, and flame curvature statistics of a turbulent, premixed flame over a range of velocities. Natural gas was used as a fuel and the equivalence ratio was held constant at 1. Three different pilot flame configurations were used to explore the interaction between flame and pilot, including variations in the presence of both the anchoring pilots and the back-support pilots. The results of this study will affect our interpretation of flame sheet dynamics in a range of piloted flames.

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    Shupp R, Tyagi A, Boxx I, Peluso SJ, O'Connor JA. The effects of piloting on turbulent flame structure. 2018. Paper presented at 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, State College, United States.