Volume 24, Issue 3 (March 2024)                   Modares Mechanical Engineering 2024, 24(3): 153-164 | Back to browse issues page

‎ 10.22034/MME.24.3.153

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Kiani M, Abbasian Arani A A, Houshfar E, Ashjaee M. Kinetic and Thermodynamic Study of the Combustion Characteristics of the Combination of Ammonia Fuel with Waste Gas at Elevated Pressures. Modares Mechanical Engineering 2024; 24 (3) :153-164
URL: http://mme.modares.ac.ir/article-15-71339-en.html
Kinetic and Thermodynamic Study of the Combustion Characteristics of the Combination of Ammonia Fuel with Waste Gas at Elevated Pressures
Mehrdad Kiani1 , Ali Akbar Abbasian Arani * 2, Ehsan Houshfar3 , Mehdi Ashjaee3
1- University of Kashan
2- University of Kashan , abbasian@kashanu.ac.ir
3- University of Tehran
Abstract:   (497 Views)
The great attention and interest of researchers to use ammonia in combustion systems as a carbon-free fuel for gas turbines, as well as the existence of developed infrastructure for its production, show the importance of present fuel and this issue. In addition, one of the best candidates for storing renewable energies on large scales or transporting them for long distances is doubtlessly Ammonia (NH3). In gas turbines and boilers, adding landfill gas improve NH3 reactivity effectively. The present effort studies NH3/landfill mixtures’ laminar flame propagation from 1 to 10 atm in an 11-liter constant volume combustion chamber using experimental approaches such as Mach-Zehnder and Schlieren interferometry method. The numerical study was performed using the Ansys Chemkin-Pro package via San Diego, Okafor, and GRI-Mech 3.0 mechanisms which can provide very accurate predictions for laminar burning velocities. The results indicated that the most considerable influence on increasing laminar burning velocities could be attributed to Ammonia concentration in the mixture. The experiments also showed that laminar burning velocity is reduced when the pressure is increased.
 
Keywords: Laminar burning velocity, Landfill gas (LFG), Kinetic model, Elevated pressure
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Article Type: Original Research | Subject: Combustion
Received: 2023/09/1 | Accepted: 2024/05/12 | Published: 2024/02/29
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