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Exergy Analysis of the Air Handling Unit at Variable Reference Temperature - Methodology and Results (Hardcover, 1st ed. 2022)
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Exergy Analysis of the Air Handling Unit at Variable Reference Temperature - Methodology and Results (Hardcover, 1st ed. 2022)
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Total price: R3,318
Discovery Miles: 33 180
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This book explore how exergy analysis can be an important tool for
assessing the sustainability of buildings. Building's account or
around 40 percent of total energy conditions depending on local
climatic conditions. Due to its nature, exergy analysis should
become a valuable tool for the assessment of building
sustainability, first of all considering their scope and the
dependence of their energy demands on the local environmental and
climatic conditions. Nonetheless, methodological bottlenecks do
exist and a solution to some of them is proposed in this monograph.
First and foremost, there is the still-missing thermodynamically
viable method to apply the variable reference environment
temperature in exergy analysis. The monograph demonstrates that a
correct approach to the directions of heat exergy flows, when the
reference temperature is considered variable, allows reflecting the
specifics of energy transformation processes in heating,
ventilation, and air conditioning systems in a thermodynamically
viable way. The outcome of the case analysis, which involved
coordinated application of methodologies based on the Carnot factor
and coenthalpies, was exergy analysis indicators - exergy
efficiency and exergy destroyed - obtained for air handling units
and their components. These methods can be used for the purposes of
analysing and improving building technical systems that, as a rule,
operate at a variable environment temperature. Exergy analysis
becomes more reliable in designing dynamic models of such systems
and their exergy-based control algorithms. This would improve the
possibility to deploy them in building information modelling (BIM)
technologies and the application of life cycle analysis (LCA)
principles in designing buildings, thus improving the quality of
the decision-making process. Furthermore, this would benefit other
systems where variable reference environment plays a key role. This
book is relevant to academics, students and researchers in the
field of thermodynamic analysis considering HVAC equipment,
building energy systems, energy efficiency, sustainable development
of technical systems of energy, mechanics, and construction, as
well as preservation of natural resources. Planners, designers,
engineers of HVAC equipment, building energy systems, and
developers of appropriate simulation tools (e.g., BIM) will also
find it of use.
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