Prohlížení Publikační činnost ČVUT dle autora "Kyncl J."
-
Assessment of energy consumption in the residential building with a heat pump
Autor: Rimbala J.; Votava J.; Kyncl J.
(Fakulta elektrotechniky a informatiky, 2019)This paper analyzes the accuracy of the calculation of the energy needed for the heating of residential buildings by heat pumps. The reference value is the consumption obtained from the actual time course of temperature ... -
Different Approaches in Numerical Solution of Continuous Mathematical Models of Induction Machine
Autor: Bauer J.; Lipčák O.; Kyncl J.
(IEEE (Institute of Electrical and Electronics Engineers), 2018)Important parameters of an induction motor drives include dynamics and efficiency. Both attributes are tightly associated with accurate acquisition of hardly measurable quantities such as magnetic flux (and its position) ... -
Energy Consumption Measurements Based on Numerical Integration
Autor: Votava J.; Kyncl J.; Straka L.
(Czech Section of the IEEE VUT, 2018)This paper deals with the possibility of energy consumption measurement using numerical integration. In this paper is described method based on Simpson integration and its comparison with standard analytical method of ... -
Improvement of transient stability using STATCOM combined with optimization
Autor: Vetoshkin L.; Votava J.; Kyncl J.; Müller Z.
(Fakulta elektrotechniky a informatiky, 2019)Further improvement of FACTS (Flexible Alternating Current Transmission System) control can help to increase the transient stability of a power system without adding extra grid inertia. Sophisticated optimization algorithms ... -
Optimization of Local Cogeneration Stations
Autor: Votava J.; Kyncl J.; Straka L.
(Czech Section of the IEEE VUT, 2018)This paper presents a mathematical model that is developed to economically optimize a small and a medium-sized local cogeneration system. This model was developed to find the economically optimal configuration of the ... -
Optimized use of the steam accumulator in the combined heat and power production
Autor: Votava J.; Kyncl J.; Müller Z.; Vetoshkin L.; Rimbala J.
(Fakulta elektrotechniky a informatiky, 2019)This paper presents technical analysis of the usage of steam accumulator in the combined heat and power production and also in all general steam production. Created mathematical model is possible to use for evening on ... -
Possibilities of Improving COP of Peltier Cells Operating as a Heat Pump
Autor: Rimbala J.; Kyncl J.
(Vysoká škola báňská - Technická univerzita v Ostravě, 2022)Peltier cell (hereinafter PC) has undergone technological development since it's discovery by Joan C. Peltier in 1834, and from the point of view of theoretical physics they can be considered completely explored. They are ... -
The possibilities of reducing energy consumption for the preparation of hot water by suitable switching of the heat pump
Autor: Rimbala J.; Kyncl J.
(Czechoslovakia Section IEEE, 2020)The article deals with the possibilities of reducing energy consumption for the preparation of hot water by suitable switching of the air-to-water heat pump according to the expected time course of the outdoor air temperature. ... -
Primary energy reduction using small CHP systems
Autor: Votava J.; Kyncl J.; Müller Z.; Vetoshkin L.; Rimbala J.
(Czechoslovakia Section IEEE, 2020)This work deals with the creation of a control model for a system with CHP units, heat pump and energy storage. By simulating such system, it can be designed and optimized for primary energy consumption and investment. The ... -
Real time optimization of temperature field in induction heating
Autor: Novák Z.; Kyncl J.
(FEI, Slovak University of Technology, 2019)Many induction heating processes must be controlled in accordance with the prescribed time evolution of temperature of the heated body (bodies). This requires a correct setting of field currents (amplitudes and frequencies) ... -
A Study in Options to Improve Aerodynamic Profile of Heavy-Duty Vehicles in Europe
Autor: Hariram A.; Koch T.; Mardberg B.; Kyncl J.
(MDPI AG, 2019)In this paper, we present and discuss different aerodynamic solutions available for European tractor and semi-trailers configurations along with summarizing their impact on the aerodynamic drag that contributes to the ... -
Theoretical measurement limits of parameters of commissioned heat pumps
Autor: Rimbala J.; Kyncl J.
(Czechoslovakia Section IEEE, 2020)This paper analyzes the uncertainties of measuring the heat and cooling factors of compressor and absorption heat pumps. The article analyzes the uncertainties of measurement and, in two case studies, it is shown that ...