Results 11 to 20 of about 16,300,519 (236)

Flow patterns and heat transfer for flow boiling in small to micro diameter tubes [PDF]

open access: yes, 2008
An overview of the recent developments in the study of flow patterns and boiling heat transfer in small to micro diameter tubes is presented. The latest results of a long-term study of flow boiling of R134a in five vertical stainless steel tubes of ...
Karayiannis, TG   +3 more
core   +6 more sources

R134a flow boiling heat transfer in small diameter tubes [PDF]

open access: yes, 2007
Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
core   +6 more sources

Parametric effects on dryout of propane in a vertical circular mini-channel [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Palm, B   +3 more
core   +6 more sources

Assessing electron heat flux dropouts as signatures of magnetic field line disconnection from the Sun [PDF]

open access: yes, 2005
Suprathermal electrons focused along magnetic field lines, called the strahl, carry heat flux away from the Sun. Various factors can cause heat flux dropouts (HFDs), including times when the strahl almost vanishes.
Larson, DE   +5 more
core   +1 more source

A study of nucleate boiling and critical heat flux with EHD enhancement [PDF]

open access: yes, 2007
The paper describes results from an experimental and theoretical study of the effect of an electric field on nucleate boiling and the critical heat flux (CHF) in pool boiling of R123 at atmospheric pressure on a horizontal wall with a smooth surface. Two
Hristov, Y   +4 more
core   +6 more sources

Latent Heat Flux Profiles from Collocated Airborne Water Vapor and Wind Lidars during IHOP_2002 [PDF]

open access: yes, 2007
Latent heat flux profiles in the convective boundary layer (CBL) are obtained for the first time with the combination of the DLR water vapor differential absorption lidar (DIAL) and the NOAA high resolution Doppler wind lidar (HRDL).
Kiemle, Christoph   +8 more
core   +1 more source

Micro-structured tungsten, a high heat flux pulse proof material

open access: yesNuclear Materials and Energy, 2020
Micro structured tungsten is a new approach to address one of the main issues of tungsten as high heat flux (HHF) plasma facing material (PFM), which is its brittleness and its propensity to crack formation under pulsed, ELM like, heat loads (Loewenhoff ...
A. Terra   +15 more
doaj   +1 more source

The heat flux near the contact line of the droplets on heated foil

open access: yesMATEC Web of Conferences, 2016
The heat flux distribution near the contact lines of one or several (3) drops on a horizontal heated constantan foil is investigated. The temperature distribution of the bottom foil surface was measured by the FLIR infrared (IR) camera.
Cheverda Vyacheslav, Karchevsky Andrey
doaj   +1 more source

Experimental Investigation of Two-Phase Flow Boiling Heat Transfer Coefficient and Pressure Drop of R448A inside Multiport Mini-Channel Tube

open access: yesEnergies, 2022
Regulations and restrictions against high global warming potential (GWP) refrigerants have been introduced to encourage the adoption of environmentally friendly refrigerants and mitigate the environmental impact of the HVAC industry.
Hieu Ngoc Hoang   +2 more
doaj   +1 more source

High-temperature thermal manipulator using thermal metamaterials based on transformation thermodynamics

open access: yesAIP Advances, 2018
A thermal manipulator for use in high temperature environments was designed and constructed based on the coordinate transformation method of transformation thermodynamics.
G. Y. Huang   +5 more
doaj   +1 more source

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