Abstract
One of the main methods used to generate thermal energy is the combustion process. Burners are used in both industrial and residential applications of the open combustion process. The use of fuels that reduce polluting gas emissions and costs in industrial and residential processes is currently a topic of significant interest. Hydrogen is considered an attractive fuel for application in combustion systems due to its high energy density, wide flammability range, and only produces water vapor as waste. Compared to research conducted regarding hydrocarbon combustion, studies on hydrogen burners have been limited. This paper presents the design and evaluation of an oxyhydrogen gas burner for the atmospheric combustion process. The gas is generated in situ with an alkaline electrolyzer with a production rate of up to 3 sL min−1. The thermal efficiency of a gas burner is defined as the percentage of the input thermal energy transferred to the desired load with respect to a given time interval. The experimental results show a thermal efficiency of 30% for a minimum flow rate of 1.5 sL min−1 and 76% for a flow rate of 3.5 sL min−1. These results relate to a 10 mm height between the burner surface and heated container.
Highlights
New environmental regulations for the generation of thermal energy with stationary systems have motivated the development of burners that use clean fuel
This paper presents the design and evaluation of oxyhydrogen gas (OH2 G) burners, where the OH2 G is produced in situ using a water alkaline electrolyzer (WAE)
The results provide an improved perspective on the advantages of using OH2 G as the fuel gas, which can be used alone or in parallel with NG or LPG
Summary
New environmental regulations for the generation of thermal energy with stationary systems have motivated the development of burners that use clean fuel. Hydrogen is considered a clean fuel under the electric industry law of the Mexican regulations issued in 2014 [1]. In the short term, hydrogen as a fuel will be implemented using the existing infrastructure, rendering the necessary changes and adaptations simple and inexpensive. This will facilitate the implementation of rules and regulations of hydrogen uses so that after a decade, the PEMFC could be used extensively [2,3]
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