Results 11 to 20 of about 4,954 (163)

Study on the Particle Deposition Characteristics of Transpiration Cooling Structures with Sintered Wire Mesh [PDF]

open access: yesMicromachines
Transpiration cooling based on a porous structure has an ultra-high cooling efficiency, which is expected to be one solution to improve the cooling technology of aero-engine turbine blades. However, particulate impurities in the gas flow channel continue
Zhe Zhang, Xiang Luo, Yubo Peng
doaj   +2 more sources

Decoupling of stomatal conductance, transpiration and photosynthesis in terrestrial plants under elevated temperature: a meta-analysis [PDF]

open access: yesNature Communications
Elevated temperatures pose challenges to stomatal conductance, which regulates transpiration and photosynthesis. However, the coupling of stomatal conductance, transpiration and photosynthesis may shift with warming.
Zhaoguo Wang   +2 more
doaj   +2 more sources

Absorption of Energy in Excess, Photoinhibition, Transpiration, and Foliar Heat Emission Feedback Loops During Global Warming [PDF]

open access: yesCells
Global warming is increasingly constraining plant productivity by altering the photosynthetic energy balance and leaf thermoregulation. Under high light and elevated temperatures, absorption of energy in excess (AEE) by photosystem II disrupts ...
Roshanak Zarrin Ghalami   +2 more
doaj   +2 more sources

AlN-based aerogel thermo-cooler enabled by enhanced phonon conduction and unconstrained liquid capillarity [PDF]

open access: yesNature Communications
Transpiration cooling is a thermal management technique that utilizes the phase change of liquid coolant to effectively dissipate heat. Porous ceramic media play a crucial role in this cooling process by facilitating liquid transport and heat exchange ...
Shengnan Meng   +5 more
doaj   +2 more sources

Transpiration Cooling Using Liquid Water [PDF]

open access: yesJournal of Thermophysics and Heat Transfer, 2007
At the Space Launcher System Analysis (SART) department of DLR-Cologne, a hypersonic spaceplane for passenger transportation is being investigated. A major challenge is the aerodynamic heating of the vehicle. A possible solution for handling the extreme heatloads will be presented. The solution involves an innovative new way of transpiration cooling,
van Foreest, Arnold   +5 more
openaire   +3 more sources

Effects of Coolants of Double Layer Transpiration Cooling System in the Leading Edge of a Hypersonic Vehicle

open access: yesFrontiers in Energy Research, 2021
As a promising and efficient active cooling method, double layer transpiration cooling is introduced into the design of the cooling system in the leading edge of a hypersonic vehicle.
Shibin Luo   +5 more
doaj   +1 more source

Novel heat flux controlled surface cooling for hypersonic flight

open access: yesScientific Reports, 2023
This paper presents a new method in theory and experiment to adjust the transpiration cooling based on the actual measured heat flux. This is particularly useful in extreme heating environments, e.g.
Fabian Hufgard   +3 more
doaj   +1 more source

Dynamic Cooling Effects of Permanent Urban Green Spaces in Beijing, China

open access: yesRemote Sensing, 2021
Urban green spaces (UGSs) play a critical role in human thermal comfort, energy consumption and urban ecology. Although the heat mitigation capability of UGSs has been frequently reported, many of the current understandings are based on short-term ...
Jiacheng Zhao   +6 more
doaj   +1 more source

Evaluation of Computational Models for Electron Transpiration Cooling

open access: yesAerospace, 2021
Recent developments in the world of hypersonic flight have brought increased attention to the thermal response of materials exposed to high-enthalpy gases.
Nicholas S. Campbell   +4 more
doaj   +1 more source

Review of Advanced Effusive Cooling for Gas Turbine Blades

open access: yesEnergies, 2022
Turbine inlet temperature has continuously increased to improve gas turbine performance during the past few decades. Although internal convection cooling and traditional film cooling have contributed significantly to the current achievement, advanced ...
Wen Wang   +3 more
doaj   +1 more source

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