Editorial |
The editorial of Thermal Engineering of this
issue continues the discussion on scientific research needs in
vital areas in which thermal engineering has important participation.
The main goal is to motivate the readers, within their specialties,
to identify possible subjects for their future research.
The current global scenario presents a significant increase in energy demand for HVAC-R (heating, ventilation, air conditioning and refrigeration)
systems. When considering how expensive energy generation can be to most countries and the greater scarcity of natural resources for energy generation, it is necessary
to seek viable alternatives with lower energy consumption to the currently used models, without any efficiency loss. Absorption refrigeration and waste incineration
systems, for example, can be research lines to be explored, making possible to reduce electrical energy consumption and reduce the environmental impacts of usual
compression refrigeration systems. In this context, the exergoeconomic analysis is an essential thermal engineering concept to be applied in refrigeration systems.
It comprises principles of heat transfer, fluid mechanics, second law of thermodynamics, optimization and cost analysis.The importance of forestry waste as a sustainable
source to mitigate the environmental impacts resulting from the use of fossil fuels has gown recently due to the potential for energy generation from organic solid waste.
Furthermore, the abundance of pruned green waste, often improperly discarded, is an underestimated option to improve energy sustainability and reduce greenhouse
gas emissions. In addition, it reduces the need of physical space for landfill to dispose waste that eventually will contaminate the soil of surrounding areas.
The use of these residues for energy generation reduces the need of natural resources exploitation, promoting sustainable development. Like the absorption refrigeration
systems, exergoeconomic analysis applied to the use of forestry waste as a source of energy in power plant for generation electric power, is extremely relevant and crucial
for sustainable development/energy generation of a country.
The mission of Thermal Engineering is to document
the scientific progress in areas related to thermal engineering
(e.g., energy, oil and renewable fuels). We are confident that
we will continue to receive articles’ submissions that contribute
to the progress of science.
Lauber de Souza Martins, Ph.D
Assistant Professor of Physics
AdventHealth University, United States
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