Determination of the economical efficiency of schemes of thermochemical recuperation for heat engines
Journal Title: Проблеми загальної енергетики - Year 2018, Vol 0, Issue 3
Abstract
On the example of gas-turbine plants, we have considered the principal and constructive schemes of thermochemical recuperation for the utilization of secondary energy resources, namely, the enthalpy of exhaust gases. We have developed methods of the calculation of thermodynamic and heat-transfer characteristics of these schemes. We have carried out wide numerical investigations of the technical-and-economical parameters of schemes of thermochemical recuperation and determined their dependences on temperature conditions. We have established that the pay-back period is usually equal to several months, and, hence, thermochemical recuperation is a high-efficiency variant of the utilization of secondary energy resources.
Authors and Affiliations
Oleksandr Shraiber
The balance-optimization model of the Ukrainian power sector and fuel industries mutually coordinated operation in the view of European environmental legislation
The balance-optimization model of production type has been developed for simulation and forecasting of mutually coordinated operation of power sector and fuel industries within fuel and energy complex (FEC) of Ukraine. A...
Estimation of the prospect of using brown coal at the thermal power plants of Ukraine
The aim of this article is to determine the prospect of using brown coal at thermal power plants (TPP). For this purpose, we compare the technical-and-economic charactecteristics of power units with flame burning of bitu...
Analysis of the market mechanisms of regulating greenhouse gas emissions in the world and their consideration in existing models for the forecasting of power industry development
This article provides an overview of the system of trading quotas for greenhouse gas emissions. The current experience shows that, under conditions of a well-implemented system, emission trading can be an efficient, reli...
Substantiation of the economic efficiency of load control in power systems with the use of electric heat-generators as consumers-regulators
Based on the analysis of control systems of the diurnal electric-load diagrams in the Integrated Power System of Ukraine, we have drawn a conclusion on the necessity of creating new, more efficient means. We have conside...
Possibilities of the introduction of electric heat-generators in district heating systems of Ukraine
This work is devoted to a detailed analysis of statistical parameters and results of the energy audits of district heating systems (DHS). Their contribution to the heat supply of urban settlements is determined. We also...