WebApr 29, 2024 · Here, we perform numerical simulations of Rayleigh-Bénard (RB) convection with time periodic modulation in the temperature boundary condition and report how this modulation can lead to a significant heat flux (Nusselt number ) enhancement. WebApr 1, 2024 · The team found that the modulation enhanced heat transfer efficiency by up to 20% over a wide range of frequencies. The researchers placed 12 temperature sensors …
Virtual Spectral Selectivity in a Modulated Thermal Infrared …
WebDec 28, 2012 · The heat transfer between the walls becomes dominated by conduction driven by a uniform vertical temperature gradient which decreases proportionally to the intensity of convection resulting in the average Nusselt number decreasing as α −3. It is shown that processes described above occur for Prandtl numbers 0.001 < Pr < 10 … WebOct 1, 2024 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our … jazeera online account open
Convective and Radiative Heat Transfer in Porous Media
WebJul 10, 2008 · One is the synchronization of the kicking period of energy input with the intrinsic time scale of the turbulent flow. When the repetition period of the input energy … WebTitle: Hexagons and rolls in periodically modulated Rayleigh-Benard convection Full Record Other RelatedResearch Abstract A laterally infinite liquid layer is heated from below in a … WebApr 1, 2024 · This instability is known as temperature-modulated RBC (henceforth referred to as TMRBC) and is found to appear as a convective rolls pattern, which oscillates either with the forcing frequency (harmonically) or with the half of the forcing frequency (subharmonically). low voltage led pagoda path lights