Energy Flow : The transfer of energy from its source to some other point. There are two types of energy flows: wanted (controlled--able to do work) and unwanted (uncontrolled - able to do harm)
Department of Energy AREA SDMP, DOE Handbook, Glossary of Environment Safety and Health Terms, DOE-HDBK-1188-2006, D.C. 20585, USA 2006. http://www.hse.niordc.ir/uploads/86_24_dictionary_ 2006.pdf, (Envir Hlth and Sfty - Amer) {44}
