1. Investigation of natural gas energy fraction and injection timing on the performance and emissions of a dual-fuel engine with pre-combustion chamber under low engine load. (1st March 2017) Authors: Yousefi, Amin; Birouk, Madjid Journal: Applied energy Issue: Volume 189(2017) Page Start: 492 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗