The University of Moa “Dr. Antonio Núñez Jiménez” has once again made its mark on the international scientific map. With the publication of an article in the Swiss journal Symmetry. Which validates the strength of the research conducted in northeastern Holguin province.
The study, focused on the energy and exergy evaluation of a 250-megawatt steam boiler under partial load conditions. Addresses a crucial issue for the Cuban power system. The efficient use of fuels in thermoelectric power plants.
Authored by a team of researchers led by Yoalbis Retirado Mediaceja. So the study compares the performance of fuel oil against Cuban upgraded crude oil 650.
Moreover the results confirm greater efficiency when using fuel oil. While also identifying factors that negatively impact performance. Such as lack of maintenance and internal corrosion caused by the high sulfur content of Cuban crude.
The analysis also points to the inherent irreversibilities of the steam generation process. Marked by the thermal differences between the combustion gases and the feedwater. As another element that affects the overall efficiency of the system.
Beyond the diagnostic aspect, the research offers practical value. It estimates potential annual savings of approximately $1.2 million through combustion optimization and the implementation of improved maintenance practices.
One of the study’s main contributions lies in the integration of methodologies. Into a structured procedure that combines thermal and exergy variables. With the potential for application in other facilities with similar characteristics.
The publication in Symmetry, an indexed and peer-reviewed journal recognized across multiple scientific disciplines. It reaffirms the visibility and relevance of the science produced in Moa. Also where knowledge is translated into concrete solutions for the country’s energy industry.
By: Jorge Alejandro Fernández Pérez
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