Constructs of highly effective heat transport paths by bionic optimization

2003 ◽  
Vol 46 (3) ◽  
pp. 296 ◽  
Author(s):  
Xinguang CHENG
Keyword(s):  
Heat Transport ◽  
Effective Heat ◽  
Highly Effective

All‐in‐one solar interfacial evaporation system with highly effective heat management and water collection

Solar RRL ◽  
2021 ◽  
Author(s):  
Renzhong Deng ◽  
Chaorui Xue ◽  
Qing Chang ◽  
Jinlong Yang ◽  
Shengliang Hu
Keyword(s):  
Heat Management ◽  
Effective Heat ◽  
Highly Effective ◽  
Water Collection

scholarly journals Effective heat transport of Gulf Stream to subarctic North Atlantic during Miocene cooling: evidence from "Köppen signatures" of fossil plant assemblages

2013 ◽  
Vol 10 (8) ◽  
pp. 13563-13601
Author(s):  
T. Denk ◽  
G. W. Grimm ◽  
F. Grímsson ◽  
R. Zetter
Keyword(s):  
Heat Transport ◽  
North Atlantic ◽  
Gulf Stream ◽  
Thermohaline Circulation ◽  
Plant Distribution ◽  
Terrestrial Vegetation ◽  
Fossil Plant ◽  
Climatic Trend ◽  
Vegetation Shifts ◽  
Effective Heat

Abstract. Shallowing of the Panama Sill and the closure of the Central American Seaway initiated the modern Loop Current/Gulf Stream circulation pattern during the Miocene but no direct evidence has yet been provided for effective heat transport to the northern North Atlantic during that time. Climatic signals from 11 precisely-dated plant-bearing sedimentary rock formations in Iceland, spanning 15–0.8 million years (Myr), resolve the impacts of the developing Miocene global thermohaline circulation on terrestrial vegetation in the subarctic North Atlantic region. "Köppen signatures" were implemented to express climatic properties of fossil plant taxa and their potential modern analogues using the principal concept of the generic Köppen–Geiger climate system, which is based on plant distribution patterns. Using Köppen signatures and the correlation between Köppen climate zones and major global vegetation zones, fossil assemblages were used to trace major vegetation shifts. This evidence was combined with evidence from tectonics and palaeoceanography. In contrast to the global climatic trend, the vegetation record reveals no cooling between ~ 15 and 12 Myr, whereas periods of climatic deterioration between 12–10 Myr, 8–4 Myr, and in the Pleistocene are in phase with increased pulses of ice-rafted debris in the Northern Hemisphere. The observed sequence of climate change in the northern North Atlantic can only be explained by an effective Gulf Stream-mediated heat transport from the middle Miocene onwards.

scholarly journals Evidence from "Köppen signatures" of fossil plant assemblages for effective heat transport of Gulf Stream to subarctic North Atlantic during Miocene cooling

2013 ◽  
Vol 10 (12) ◽  
pp. 7927-7942 ◽  
Author(s):  
T. Denk ◽  
G. W. Grimm ◽  
F. Grímsson ◽  
R. Zetter
Keyword(s):  
Heat Transport ◽  
North Atlantic ◽  
Gulf Stream ◽  
Thermohaline Circulation ◽  
Plant Distribution ◽  
Terrestrial Vegetation ◽  
Fossil Plant ◽  
Climatic Trend ◽  
Vegetation Shifts ◽  
Effective Heat

Abstract. Shallowing of the Panama Sill and the closure of the Central American Seaway initiated the modern Loop Current–Gulf Stream circulation pattern during the Miocene, but no direct evidence has yet been provided for effective heat transport to the northern North Atlantic during that time. Climatic signals from 11 precisely dated plant-bearing sedimentary rock formations in Iceland, spanning 15–0.8 million years (Myr), resolve the impacts of the developing Miocene global thermohaline circulation on terrestrial vegetation in the subarctic North Atlantic region. "Köppen signatures" were implemented to express climatic properties of fossil plant taxa and their potential modern analogues using the principal concept of the generic Köppen–Geiger climate system, which is based on plant distribution patterns. Using Köppen signatures and the correlation between Köppen climate zones and major global vegetation zones, fossil assemblages were used to trace major vegetation shifts. This evidence was combined with evidence from tectonics and palaeoceanography. In contrast to the global climatic trend, the vegetation record reveals no cooling between ~ 15 and 12 Myr, whereas periods of climatic deterioration between 12 and 10 Myr, 8 and 4 Myr, and in the Pleistocene are in phase with increased pulses of ice-rafted debris in the Northern Hemisphere. The observed sequence of climate change in the northern North Atlantic can most likely be explained by an effective Gulf Stream-mediated heat transport from the middle Miocene onwards.

scholarly journals Ballistic-Diffusive Model for Heat Transport in Superlattices and the Minimum Effective Heat Conductivity

Entropy ◽  
2020 ◽  
Vol 22 (2) ◽  
pp. 167 ◽  
Author(s):  
Federico Vázquez ◽  
Péter Ván ◽  
Róbert Kovács
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Heat Transport ◽  
Heat Conductivity ◽  
Room Temperature ◽  
Heat Fluxes ◽  
Multilayer Systems ◽  
Effective Heat Conductivity ◽  
Effective Heat ◽  
Kinetic Calculations

There has been much interest in semiconductor superlattices because of their low thermal conductivities. This makes them especially suitable for applications in a variety of devices for the thermoelectric generation of energy, heat control at the nanometric length scale, etc. Recent experiments have confirmed that the effective thermal conductivity of superlattices at room temperature have a minimum for very short periods (in the order of nanometers) as some kinetic calculations had anticipated previously. This work will show advances on a thermodynamic theory of heat transport in nanometric 1D multilayer systems by considering the separation of ballistic and diffusive heat fluxes, which are both described by Guyer-Krumhansl constitutive equations. The dispersion relations, as derived from the ballistic and diffusive heat transport equations, are used to derive an effective heat conductivity of the superlattice and to explain the minimum of the effective thermal conductivity.

Oral budenosid is highly effective in the treatment of collagenous colitis: A randomized, double-blind, placebo-controlled, multicenter trial

2001 ◽  
Vol 120 (5) ◽  
pp. A40-A40 ◽  
Author(s):  
S MIEHLKE ◽  
P HEYMER ◽  
T OCHSENKUEHN ◽  
E BAESTLEIN ◽  
G YARIAN ◽  
...  
Keyword(s):  
Collagenous Colitis ◽  
Multicenter Trial ◽  
Double Blind ◽  
Double Blind Placebo ◽  
Highly Effective

Novel Drugs Highly Effective in Resistant HIV

2007 ◽  
Vol 38 (4) ◽  
pp. 9
Author(s):  
TIMOTHY F. KIRN
Keyword(s):  
Novel Drugs ◽  
Highly Effective

Causal heat transport induced by zeptosecond laser pulses

2002 ◽  
Vol 12 (3) ◽  
pp. 201-206 ◽  
Author(s):  
Janina Marciak-Kozłowska ◽  
Mirosław Kozłowski
Keyword(s):  
Heat Transport ◽  
Laser Pulses
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