Effect of dwell period between main and pre injection on NOx and smoke emission from CRDI diesel engine fueled with Biodiesel blend - Nallamothu, Ramesh Babu; Nallamothu, Anantha Kamal; Nallamothu, Seshu Kishan; Injeti, Niranjan Kumar; Basava, Venkata Appa Rao (Ethiopian Journal of Science and Sustainable Development, 2019)