Investigation Of Fluidized Bed Of The Physical Model Of The Marine Fluidized Bed Boiler

The article provides the specification of the experimental testing method of the heat exchange between the fluidized bed and the heating surface immersed therein during ship’s movements on the waves causing interference. The research works have been conducted on physical model of fluidized bed boiler positioned in the cradle simulating the vessel’s motion on regular wave of sinusoidal type. The design features of the test stand make it possible to conduct the testing for the processes occurring in the boilers both with bubbling and the circulating fluidized beds. The method of determination of the heat transfer coefficient has been specified. The presented research results of the heat transfer coefficient have proven that the conditions of heat transfer are of explicitly local nature strongly related with the mass of the material present in the fluidizing column, flow-through conditions, fluidizing column inclination angle from vertical and swinging movement of the platform. The testing results encourage to continue the research works on a larger scale aiming to verify the hypothesis that in the shipboard conditions the circulating fluidized bed is less susceptible to the ship’s rolling than the bubbling fluidized bed and that the significant conditions of heat exchange are not impaired.