Results 21 to 30 of about 8,688,943 (304)

Impact of the ash deposits from coal combustion on thermal conditions of the furnace pipes

open access: yesMATEC Web of Conferences, 2017
One of the problems of thermal power plants is the contamination of heating surfaces that arises during the boiler unit operation while combusting the solid fuel. The main part of the energy is consumed by pipes forming the furnace.
Subbotin Alexander   +3 more
doaj   +1 more source

Evaluation of Anti-Icing Performance for an NACA0012 Airfoil with an Asymmetric Heating Surface

open access: yesAerospace, 2021
Heating devices on airfoil surfaces are widely used as an anti-icing technology. This study investigated the aerodynamic performance with a static heating surface based on the modified extended Messinger model.
Koji Fukudome   +4 more
doaj   +1 more source

Non-linear heat conduction with ramped surface heating ramp surface heating and approximate solution

open access: yesThermal Science, 2020
Non-linear heat conduction with a power-law thermal diffusivity and ramped surface temperature has been solved by the double-integration technique of the integral-balance integral method. The case of a semi-infinite medium and infinite ramp of surface temperature has been considered as example demonstrating the versatility of the solution ...
openaire   +3 more sources

Falling behavior and control effect on temperature rise under heating condition concerning water film flow on steel shutter surface

open access: yesJapan Architectural Review, 2020
A series of experiments were carried out on water film flow formed by a water discharge system on the surface of steel shutters. The experiments used three types of steel shutters for fire protection.
Yoshifumi Ohmiya   +3 more
doaj   +1 more source

Heat Loading of Steam Boilers Heating Surfaces [PDF]

open access: yesManufacturing Technology, 2017
This paper deals with the comparison of an analytical solution of the temperature field of a steam boiler pipe membrane wall using a numerical method calculation in the COSMOS/M programme. The result analysis showed that analytical calculating methods which are limited to 1D and 2D task types can be used for the approximate calculation of temperature ...
Mária Čarnogurská   +3 more
openaire   +1 more source

Magneto-hydrodynamic flow and heat transfer of a hybrid nanofluid in a rotating system among two surfaces in the presence of thermal radiation and Joule heating

open access: yesAIP Advances, 2019
In this paper, the researchers explore heat transfer and magneto-hydrodynamic flow of hybrid nanofluid in a rotating system among two surfaces. The upper and lower plates of the system are assumed penetrable and stretchable, respectively.
Ali J. Chamkha, A. Dogonchi, D. Ganji
semanticscholar   +1 more source

Evolution of steam-water flow structure under subcooled water boiling at smooth and structured heating surfaces

open access: yes, 2017
Experimentally studying of subcooled water boiling in rectangular channel electrically heated from one side was conducted. Flat surfaces, both smooth and coated by microarc oxidation technology, were used as heating surfaces.
N. Vasiliev   +2 more
semanticscholar   +1 more source

Effects of Ground Heating on Ventilation and Pollutant Transport in Three-Dimensional Urban Street Canyons with Unit Aspect Ratio

open access: yesAtmosphere, 2019
A validated standard k-ε model was used to investigate the effects of ground heating on ventilation and pollutant transport in a three-dimensional (3D) street canyon.
Guoyi Jiang, Tingting Hu, Haokai Yang
doaj   +1 more source

Selection of floor heating by MCDA method

open access: yesBudownictwo i Architektura, 2020
Using Multiple-criteria Decision Analysis (MCDA), the most favorable floor heating system of a detached house has been selected. The analysis also includes an assessment of the performance of this type of heating on small surfaces (up to 20m2).
Jacek Karpiesiuk
doaj   +1 more source

Effect of the heating surface enhancement on the heat transfer coefficient for a vertical minichannel

open access: yesEPJ Web of Conferences, 2016
The aim of the paper is to estimate effect of the heating surface enhancement on FC-72 flow boiling heat transfer for a vertical minichannel 1.7 mm deep, 24 mm wide and 360 mm long.
Piasecka Magdalena, Strąk Kinga
doaj   +1 more source

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