scholarly journals Temperature Errors in Two-Color Pyrometry Simultaneously Considering Reflection and Combustion Gas Radiation

2021 ◽  
Author(s):  
Yunwei Huang ◽  
Jianyu Long ◽  
Dengfu Chen ◽  
Mujun Long ◽  
Zhe Yang ◽  
...  
Keyword(s):  
Combustion Gas ◽  
Gas Radiation ◽  
Temperature Errors

Combined gas radiation and laminar mixed convection in vertical concentric annuli

2002 ◽  
Author(s):  
Ezeddine Sediki ◽  
Anouar Soufiani ◽  
Mohamed Salah Sifaoui
Keyword(s):  
Mixed Convection ◽  
Gas Radiation ◽  
Laminar Mixed Convection

scholarly journals Quality assessment of gas produced from different types of biomass pellets in gasification process

2019 ◽  
Vol 38 (2) ◽  
pp. 406-416 ◽  
Author(s):  
Marcel Mikeska ◽  
Jan Najser ◽  
Václav Peer ◽  
Jaroslav Frantík ◽  
Jan Kielar
Keyword(s):  
Gas Turbines ◽  
Combustion Engine ◽  
Calorific Value ◽  
Internal Combustion ◽  
Combustion Gas ◽  
Gas Cleaning ◽  
Gasification Process ◽  
Different Types ◽  
Before And After ◽  
Cleaning Technology

Gas from the gasification of pellets made from renewable sources of energy or from lower-quality fuels often contains a number of pollutants. This may cause technical difficulties during the gas use in internal combustion gas engines used for energy and heat cogeneration. Therefore, an adequate system of gas cleaning must be selected. In line with such requirements, this paper focuses on the characterization and comparison of gases produced from different types of biomass during gasification. The biomass tested was wood, straw, and hay pellets. The paper gives a detailed description and evaluation of the measurements from a fix-bed gasifier for the properties of the produced gases, raw fuels, tar composition, and its particle content before and after the cleaning process. The results of elemental composition, net calorific value, moisture, and ash content show that the cleaned gases are suitable for internal combustion engine-based cogeneration systems, but unsuitable for gas turbines, where a different cleaning technology would be needed.

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