Experimental and numerical investigation of odorant dispersion in natural-gas pipelinesMahdi Deymi-Dashtebayaz, Reza Nazeri Boori Abadi, Majid Mehdian Dehkordi and Zohreh AminiEur. Phys. J. Plus, 134 6 (2019) 294DOI: https://doi.org/10.1140/epjp/i2019-12666-2