Experimental investigation of isothermal scalar mixing fields downstream of axisymmetric baffles under fully premixed or stratified inlet mixture conditions

Paterakis Georgios; Politi Eleftheria; Koutmos Panayiotis

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Experimental investigation of isothermal scalar mixing fields downstream of axisymmetric baffles under fully premixed or stratified inlet mixture conditions

机译：完全预混合或分层入口混合条件下轴对称挡板下游等温标量混合场的实验研究

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摘要

The work discusses the characteristics of isothermal flow and scalar mixing fields, downstream of a variety of axisymmetric baffles in a double-cavity premixer/disk burner configuration. The scope of the work is to enhance knowledge regarding the impact of fully premixed or stratified, inlet fuel-air mixture conditions on the mixing disposition and fuel-air placement in the recirculating wake of a range of practical flame stabilizers. PIV and FTIR instrumentation are employed to obtain measurements of the mean and turbulent velocity fields and of the fuel concentration topologies throughout the near wake development.

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来源
《Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics》 |2019年第1期|共15页
作者
Paterakis Georgios; Politi Eleftheria; Koutmos Panayiotis;
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作者单位

Univ Patras Dept Mech Engn &

Aeronaut Lab Appl Thermodynam Patras 26504 Greece;

Univ Patras Dept Mech Engn &

Aeronaut Lab Appl Thermodynam Patras 26504 Greece;

Univ Patras Dept Mech Engn &

Aeronaut Lab Appl Thermodynam Patras 26504 Greece;

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原文格式 PDF
正文语种 eng
中图分类流体力学;
关键词
Stratified flames; Fully-premixed flames; Scalar mixing; Bluff-body stabilization; PIV; FTIR;

机译：分层的火焰;完全预混的火焰;标量混合;诈唬身体稳定;PIV;FTIR;

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Experimental investigation of isothermal scalar mixing fields downstream of axisymmetric baffles under fully premixed or stratified inlet mixture conditions

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