Increase the flexibility of steam boilers by optimisation of critical pressure component heating

D Taler, P Dzierwa, K Kaczmarski, J Taler - Energy, 2022 - Elsevier
The paper presents a new method for determining the optimum fluid temperature changes
during heating cylindrical thick-walled components weakened by holes. An inverse heat …

Optimisation of heating and cooling of pressure thick-walled components operating in the saturated steam area

D Taler, P Dzierwa, K Kaczmarski, J Taler - Energy, 2021 - Elsevier
The paper presents a new method of determining optimum temperature variations of the
fluid during heating and cooling of cylindrical thick-walled components weakened by holes …

Optimum heating of thick wall pressure components of steam boilers

P Dzierwa, D Taler, J Taler… - ASME Power …, 2014 - asmedigitalcollection.asme.org
A method for determining time-optimum fluid temperature changes is presented. In contrast
to present standards, two points at the edge of the opening are taken into consideration. The …

Optimisation of the cooling of pressurised thick-walled components operating with fluid at saturation temperature

D Taler, K Kaczmarski, P Dzierwa, J Taler, M Trojan - Energy, 2024 - Elsevier
Determining the optimum heating or cooling times for thick-walled pressure elements allows
a steam boiler to reduce start-up or shutdown times. A new method has been developed to …

Optimum heating of pressure components of steam boilers with regard to thermal stresses

P Dzierwa - Journal of Thermal Stresses, 2016 - Taylor & Francis
ABSTRACT A method for determining time–optimum fluid temperature changes is
presented. In contrast to current standards, stepwise fluid temperature changes are allowed …

Optimum heating of pressure components of large steam boilers

J Taler, P Dzierwa, D Taler - Forschung im Ingenieurwesen, 2009 - Springer
The method of determining the optimum time changes of fluid temperature during heating
process of boiler structural pressure elements is presented. The stresses are kept at the …

Analysis to speed up of the start-up of steam boiler OP-380

J Taler, B Węglowski, P Dzierwa… - Journal of Power …, 2014 - papers.itc.pw.edu.pl
During operation of the OP-380 boiler under transient conditions, for example during start-up
and shutdown of the power unit, on the circumference of horizontal pressure elements like a …

A new method for optimum heating of steam boiler pressure components

J Taler, P Dzierwa - International Journal of Energy Research, 2011 - Wiley Online Library
A method for determining time‐optimum medium temperature changes is presented. The
heating and cooling of the pressure elements will be conducted in such a way that the …

Determination of start-up curves for a boiler with natural circulation based on the analysis of stress distribution in critical pressure components

J Taler, B Węglowski, D Taler, T Sobota, P Dzierwa… - Energy, 2015 - Elsevier
The paper concerns the possibility of accelerating the start-up of a steam boiler with the
natural circulation. Shortening the start-up time will reduce start-up losses, including support …

Numerical method for determining the allowable medium temperature during the heating operation of a thick‐walled boiler element in a supercritical steam power …

P Duda, D Rzasa - International journal of energy research, 2012 - Wiley Online Library
The new generation of steam power plants operates at pressures higher than the critical
pressure and at very high temperatures. They are called supercritical power plants and their …