A novel MILP model for plantwide multiperiod optimization of byproduct gas supply system in the ironand steel-making process is proposed. Compared with the previous optimization model, proposed approach simultaneously optimizes the byproduct gasholder levels and gas distribution among con icting objectives. Both integer and continuous variables are used in determining the optimal fuel load cha...

A detailed study on the performance of a combustor to be used as a portable power source for mesoscale applications is presented. The burner operation is based on the combination of liquid fuel electrospray injection with combustion through a stack of catalytically coated grids, for the delivery of ≈ 100 W of thermal power. The main design challenges relate to emission minimization, versatility...

In the study, a potentially feasible low-NOx combustion technology, based on self-sustained preheating of pulverized coal, is proposed. A 2 MW novel test rig was employed, and bituminous coal used in experiment. internal fluidized bed combustor (IFBC) as chamber for followed by air staging chamber. Preheating characteristics IFBC temperature distribution primary zone were discussed. Next, effec...

In this work we study the process of co-combustion pulverized coal fuel (coal grinded up to 100 microns) and liquid (diesel) in a new low-power burner, where coal-air mixture is fed tangentially together with secondary air, atomized by high-velocity steam jet. Temperature profiles composition intermediate combustion products along vertical axis burner have been studied. The heat release (power)...

INTRODUCTION Partially premixed flames (PPFs) contain a rich premixed fuel–air mixture in a pocket or stream, and, for complete combustion to occur, they require the transport of oxidizer from an appropriately oxidizer–rich (or fuel–lean) mixture that is present in another pocket or stream. Partial oxidation reactions occur in fuel–rich portions of the mixture and any remaining unburned fuel an...

Large-eddy simulation of a jet flame in a hot diluted coflow has been performed. The burner under consideration was operated in the moderate and intense low oxygen dilution (MILD) combustion regime, and utilizes a three-stream feed system to supply fuel, diluted coflow, and air to the burner (Dally, B. B., Karpetis, A. N., and Barlow, R. S., Proc. Combust. Inst., Vol. 29, 2002, pp. 1147–1154). ...

To describe the effects of inert compounds in gaseous fuel, experiments on three different process burners (staged fuel burner, staged air and low-calorific burner) were carried out. The tested are commercially available, but they specially designed for experimental usage. Tests out semi-industrial burner testing facility to investigate influence gases flame characteristics, emissions, heat flu...

There is considerable interest in developing fuel-flexible, low emissions turbines for power generation. One approach is based on burning a variety of lean premixed fuels with relatively low flame temperatures. Such flames can be stabilized in a low swirl burner configuration, for example, using a variety of fuels such as pure hydrogen and hydrogen-seeded hydrocarbon mixtures. However, many hyd...

This paper presents the results of validation calculations nuclear fuel depletion calculation module CBZ reactor physics code system, CBZ/Burner. Validation were conducted using post irradiation examination data obtained at Fukushima-Daini Unit 2 and Takahama 3. The nuclide number densities calculated with CBZ/Burner compared measurement values, generally good agreement was obtained. sensitivit...

Thermal ionization of alkali species emitted from thermally decomposing vegetative matter into the combustion zone of a fire makes the zone a weakly ionized gaseous medium. Collision between the medium electrons and neutral flame particles is a dominant form of particle interaction and incident microwave energy absorption process. Electromagnetic wave absorption properties of vegetation fire ha...