Freight Surcharges. BAF refers to floating part of sea freight charges which represents additions due to oil prices. Usually BAF charges are determined by Carrier Conferences to be applicable for a certain period on a certain trade route. These Carrier Conferences are seen as a cartel for fixing prices.
Heat transfer. Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes.
Convection Currents and the Mantle. Heat Transfer. The movement of energy from a warmer object to a cooler object is called heat transfer. The direction of heat transfer is always from a warmer substance to a cooler substance.