Disadvantages Difficult to calibrate. 16. CHEMILUMINESCENCE HCD (Heated Chemiluminescence Detector). Accepted standard for laboratory and test cell measurement of NOx. Was the only available NOx detector available during the development of the IMO Technical code. Unflued gas heaters require ongoing ventilation to external spaces to allow fresh air to fuel the burner and discharge combustion products. Replace any unflued heaters that are more than 10 years old, or if you feel that your health is being affected by them.
To improve the turn-down ratio of a lean combustor, which has the greatest potential for reducing NOx emissions from jet engines, fuel staging is commonly employed. To further extend the stable operation range, air staging with a fluidic element is also considered. The influence of fluidic control on combustion was analyzed to better understand fluidic element-burner interactions. The pressure ... disadvantages, but combustion methods that enable both high efficiency and low NOx have yet to be studied in enough detail. In this research, high-efficiency and low-NOx hydrogen combustion was investigated using a prototype high-pressure hydrogen injector (maximum 30 MPa). Experiments were carried out with a 2.2-liter 4-cylinder diesel engine ...
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