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	Boussinesq-approximationen	Psykrometrisk analys	Termiskt resistansnätverk
Ämnesområde	Termodynamik	Termodynamik	Termodynamik
Familj	Process / pipeline	Process / pipeline	Process / pipeline
Ursprungsår	1903	1911	1985
Upphovsperson	Joseph Boussinesq	R. E. Carrier	Frank Incropera and David DeWitt
Typ	Approximation technique	Humid air thermodynamic analysis	Heat transfer network analysis
Ursprungskälla	Boussinesq, J. (1903). Théorie Analytique de la Chaleur. Gauthier-Villars.	ASHRAE. (2021). Handbook-Fundamentals. American Society of Heating, Refrigerating and Air-Conditioning Engineers.	Incropera, F. P., DeWitt, D. P., Bergman, T. L., & Lavine, A. S. (2007). Fundamentals of Heat and Mass Transfer (6th ed.). Wiley. ISBN: 978-0470055540
Alias	buoyancy approximation, Boussinesq model	psychrometrics, humid air analysis	thermal circuit analogy, thermal network
Närliggande	3	3	3
Sammanfattning	The Boussinesq Approximation simplifies the governing equations for natural convection by treating density as constant except in the buoyancy term. This approximation is valid when temperature variations produce small density changes and allows researchers to solve coupled heat-fluid flow problems without solving the full, nonlinear compressibility equations. The Boussinesq Approximation is fundamental to analyzing buoyancy-driven flows in buildings, enclosures, and geophysical applications.	Psychrometric analysis is the study of humid air (air-water vapor mixtures) and its properties. It is essential for designing and analyzing air conditioning, ventilation, and dehumidification systems. Psychrometric analysis relates dry-bulb temperature, wet-bulb temperature, dew point, relative humidity, and specific humidity through carefully constructed charts and correlations.	The Thermal Resistance Network method uses electrical circuit analogy to solve heat transfer problems. It treats heat flow as analogous to electric current, thermal resistance analogous to electrical resistance, and temperature difference analogous to voltage potential. This powerful conceptual framework enables engineers to analyze complex multi-layer heat transfer systems systematically.