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Multidimensional‐Encoded High‐Fidelity Spectrometers With a Floating‐Base Bipolar Junction
Advanced Functional Materials, EarlyView.A floating‐base bipolar junction photodetector enables multidimensional spectral encoding through synergistic gate‐ and drain‐bias modulation of interfacial barrier matching. The resulting complementary spectral responses form a diverse, weakly correlated response matrix, enabling robust and high‐fidelity spectral reconstruction even at sub‐nanoampere ...
Sang‐Hyeon Lee +11 more
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On the Thermal Boundary Layer of the Ocean
Science, 1960Measurement of the long-wave infrared radiation from the top 0.1 mm of the evaporating ocean demonstrates the existence of a cool surface layer characterized by departures of as much as 0.6°C from the "surface temperature" found by conventional methods.
G, Ewing, E D, McAlister
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Thermal convection in laminar Boundary layers II
Applied Scientific Research, 1953The heat loss of a hot body with constant surface temperature by thermal convection in a laminary boundary layer is described by partial differential equations. These can only be reduced to ordinary differential equations if the temperature and velocity profiles at any two points are similar. This leads to a geometrical condition that is given here for
Merk, H. J., Prins, J. A.
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Thermal Boundary Layer in Turbulent Thermal Convection
Europhysics Letters (EPL), 1993We report experimental evidence that the Shraiman and Siggia conjecture (Phys. Rev. A, 42 (1990) 3650) on temperature boundary layer shape, in turbulent thermal convection, is correct. Besides, we also show that the spatial distributions of temperature fluctuations present exponential tails, which is compatible with a logarithmic dependence on z of the
F. Chillà +2 more
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Transport phenomena in thermally stratified boundary layers
Thermophysics and Heat Transfer Conference, 1974Studies of heat, mass, and momentum transfer are made to analyze the formation of marine fogs in thermally stratified boundary layers in the atmosphere. The governing partial differential equations of continuity, momentum, temperature, and concentration are used to describe the transport phenomena.
D. W. Pepper, S. C. Lee
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Boundary layer length scales in thermal turbulence
Physical Review Letters, 1993We present measurements of local temperature fluctuations from a convection cell of aspect ratio 1, using gas at room temperature, for Rayleigh numbers (Ra) ranging from 5\ifmmode\times\else\texttimes\fi{}${10}^{5}$ to 1\ifmmode\times\else\texttimes\fi{}${10}^{11}$. The thermal boundary layer thickness is measured; its scaling is close to ${\mathrm{Ra}}
, Belmonte, , Tilgner, , Libchaber
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The role of thermals in the convective boundary layer
Boundary-Layer Meteorology, 1980Detailed measurements of the structure of thermals throughout the convective boundary layer were obtained from the NCAR Electra aircraft over the ocean during the Air Mass Transformation Experiment (AMTEX). Humidity was used as an indicator of thermals. The variables were first high-pass filtered with a 5 km cutoff digital filter to eliminate mesoscale
D. H. Lenschow, P. L. Stephens
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Transitional Fluctuations of Thermal Boundary Layer in Horizontal Convection
International Journal of Heat and Mass Transfer, 2022Fluctuations of thermal boundary layer (BL) in horizontal convection (HC) strongly affect the global heat transport through the HC sample and predominately determine the flow state. Here, we present a systematic experimental study of temperature profiles in the thermal BL of a HC flow that are heated and cooled from the bottom.
Bo Yan, Xiaozhou He
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On the thermal boundary layer on an electrode
Fluid Dynamics, 1966In the present paper we consider the approximate calculation of the temperature distribution in a MHD channel operating in the accelerator regime with account for the dependence of the electrical conductance and thermal conductance coefficients on the temperature and with account for Joule dissipation.
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