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Some technical problems such as low thermal efficiency, high auxiliary power ratio and severe abrasion of heating surface are existed in the operation of circulating fluidized bed boilers which combust bad fuels generally, these disadvantages restrict the farther expansion of circulating fluidized bed boiler to the power field. Based on the balance of material, energy and carbon content, and on the...
The objective of the research done in this paper was to determine cost of the power and heat system with pressurized fluidized bed gasifier using exergoexonomic appraisal techniques. Exergetic efficiency maximization was approached with use of multi-objective evolutionary optimization methods which were designed such that the costs were minimized in line with the exergoeconomic plans. The results...
This paper presents a new Advanced Driver Assistant System (ADAS) with an ecological aspect (EDAS). A low fuel consumption problem is formulated coupled to a safety problem (longitudinal spacing). Several discussions are conducted concerning the computational time reduction, the choice of an optimization method by comparisons. A fuzzy controller is developed to introduce some safety margins that are...
A new class of meta-heuristics called SOMA (Self-Organizing Migrating Algorithm) was proposed in recent literature. SOMA works on a population of potential solutions called specimen and it is based on the self-organizing behavior of groups of individuals in a ??social environment??. This paper proposes a modified SOMA approach to solving the economic load dispatch problem of thermal generators with...
A four-stroke direct injection diesel engine is taken as the study object, and a cylinder-jacket-coolant-piston coupling model is built up. With the research method of fluid- solid-heat coupling, the computational regions of both fluid and solid are coupled, which are separated in traditional temperature-field computation, and the puzzle of iterating difficultly due to the differences of temperature...
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