China North Industries Group Corporation (China)

Performance Characteristics and Sensitivity Analysis of an Ammonia-Diesel Dual-Fuel Engine Under Varying Ammonia Energy Ratios and Diesel Injection Parameters

Ammonia can partially replace diesel in compression ignition engines, but the relative influences of the ammonia energy ratio (AER), pilot–main injection timing advance, and injection pressure on engine performance remain insufficiently quantified. This study evaluated these infl...

Analysis of mid-infrared spectral characteristics and recognition models of coal with different particle sizes

As a core energy source, the accurate identification of coal particle size is a critical part in the quality control of raw coal mining, separation and processing, storage and transportation, and quality upgrading. The differences in physical and chemical properties of coal with...