Published in Thermal Engineering
Abstract—Experience gained from the operation of nuclear power plants shows that emergencies or incorrect actions of the personnel may give rise to water hammer phenomena, which exert additional impacts on the pipelines and equipment. Condensation-induced water hammer (CIWH) is one of the most destructive kinds of water hammer. Experimental studies...
Published in Thermal Engineering
AbstractAs part of the implementation of the program for the import substitution of corrosion inhibitors, scale formation, and biocides, the branches of OOO Bashkir Generation Company conducted research and pilot testing (RPT) on the use of VTIAMIN reagents when dosing them into the circulating water of recycle cooling systems (RCC) of several CHPP...
Published in Thermal Engineering
Abstract—The results from experiments for studying the effect of rotor rotation on the leakage through different types of seals are presented. It is shown from a comparative study of models involving a stalled rotor and rotor rotating with a 50 Hz frequency that the rotor rotation has hardly any effect on the leakage flowrate, so that the rotation ...
Published in Thermal Engineering
AbstractThe article provides an analysis of the current status and the development of the circulating fluidized bed (CFB) combustion technology. The main distinguishing features of the CFB combustion technology and the stages of its development worldwide are provided. The advantages and disadvantages of the CFB technology compared with traditional ...
Published in Thermal Engineering
AbstractIn most large cities of Russia, the annual heat consumption exceeds the annual electricity consumption more than twice as a rule. On the contrary, the electric power of the combined-cycle cogeneration heat-power plant (CCCHPP) with heat-recovery steam generators (HRSG) is much higher than the thermal power of the cogeneration extraction of ...
Published in Thermal Engineering
AbstractThe process of removing corrosive gases from water at TPPs in packed columns of calciners and in columns of thermal deaerators with a storage tank in film mode is considered and a mathematical model is presented for calculating the efficiency of the desorption process. A cell model of the flow structure and an equation for calculating the m...
Published in Thermal Engineering
AbstractAccident scenarios implying the failure of the active and passive reactor protection system are the most severe in their consequences since they are accompanied by the melting of fuel elements, fuel assemblies, and the entire core and, as a consequence, the release of fission products (FP) from the fuel melt and structural materials. The lo...
Published in Thermal Engineering
AbstractBall drum mills (BDM) are one of the main types of coal-grinding equipment in Russia. A significant drawback of BDM is high power consumption (a significant part of the TPP’s own needs). With a huge scale of production, reducing these costs even by a few percent gives a significant economic effect. The problem of minimizing the specific ene...
Published in Thermal Engineering
AbstractThe flow in turbine cascades with incidences is accompanied by a separated flow around the airfoils, which is difficult to calculate with acceptable accuracy. Therefore, in practice, empirical formulas are used to estimate losses from the incidence. The analysis of these formulas made it possible to identify the geometric and operating para...
Published in Thermal Engineering
Abstract—The role that hydropower plays in the world’s energy balance is considered, and a comparative analysis of using hydropower resources in Russia and abroad is presented. It is shown that Russia occupies the world’s second place in its hydropower potential after China; however, no more than 20% of the country’s hydraulic power resources have ...
