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Longitudinal vortex generator applied to heat transfer enhancement of a flat plate solar water heater
(Elsevier B.V., 2019-07-25)
The population growth and industrial development increase the demand for energy and the solar energy conversion is an important alternative to complement the world energy matrix. Flat plate solar collectors are devices ...
Heat transfer in an oval tube heat exchanger with different kinds of longitudinal vortex generators
(American Society of Thermal and Fluids Engineers, 2017)
A numerical study was performed on a plate fi n and oval tube heat exchanger with diff erent kinds of longitudinal vortex
generators (LVG). The infl uence of LVG on heat transfer and pressure drop is investigated, and ...
Heat Transfer Enhancement in a Flat-Plate Solar Water Heater Through Longitudinal Vortex Generator
(2019-08-01)
The solar energy is a renewable source that has a great potential for conversion into thermal energy or for generation of electric power through photovoltaic panels in Brazil. Concerns about environmental impacts and the ...
Parametric optimization of a stamped longitudinal vortex generator inside a circular tube of a solar water heater at low Reynolds numbers
(2021-08-01)
Solar Water Heater (SWH) has low efficiency and the performance of this type of device needs to be improved to provide useful and ecological sources of energy. The passive techniques of augmentation heat transfer are an ...
Parametric investigation of heat transfer enhancement and pressure loss in louvered fins with longitudinal vortex generators
(Elsevier B.V., 2019-01-01)
The present work aims to perform a parametric study of heat transfer enhancement and the associated pressure loss applied to louvered fins with rectangular winglet vortex generators (RWL). The contributions of a set of ...
Numerical simulation of heat transfer enhancement in fin and tube compact heat exchanger with longitudinal vortex generator
(Universidad de Chile, 2020)
Over the last decades several studies have searched for improved Tube and Fin Heat Exchanger (TFHE) designs capable of providing the best thermohydraulic performance at the lowest possible cost. Such studies have proven ...
A numerical investigation of the aerodynamics of a furnace with a movable block burner
(Brazilian Soc Chemical EngSao PauloBrasil, 2007)
Intensificação da transferência de calor em trocador de calor compacto de aleta ondulada através de geradores de vórtices longitudinais
(Universidade Estadual Paulista (Unesp), 2021-01-26)
Considerando a necessidade atual de pesquisas contínuas para o desenvolvimento de trocadores de calor de alta eficiência com baixa penalização na queda de pressão, visando a redução de custos com materiais e processo de ...
Influência da deformação cíclica em torção na resistência à fadiga flexural dos instrumentos rotatórios de NiTi Hiflex CM, Typhoon CM e Vortex Blue
(Universidade Federal de Minas GeraisUFMG, 2016-07-14)
The NiTi rotary instruments undergo simultaneous flexural and torcional stresses during the root canal shaping. The mechanical properties of these instruments are influenced by many factors such as geometry, microstructure, ...