Kevin C Johns Mechanical Design Engineer Contact johnskc@ornl.gov | 865.574.9227 All Publications Design and Structural Assessment of the Spallation Neutron Source 2.0 MW Target... Fatigue analysis of the Spallation Neutron Source 2 MW target design... Bubble Generation in the SNS 2 MW Mercury Target... Final Design Report Proton Power Upgrade Project... Key Links ORCID Organizations Neutron Sciences Directorate Neutron Scattering Division Neutron Technologies Division Neutron Technologies Engineering Section Source Development & Engineering Group