Results 11 to 20 of about 8,688,943 (304)

Technical and Economic Analysis of the External Surface Heating System on the Example of a Car Park

open access: yesEnergies, 2020
In winter, for our own safety, as well as for the comfort of the user, we are obliged to remove or mitigate the defects related to the accumulation of snow and ice on flat surfaces, such as: pavements, stairs, driveways, parking lots, roofs, squares, or ...
Krzysztof Nowak, Sławomir Rabczak
doaj   +1 more source

Numerical Analysis of Newtonian Heating Convective Flow by Way of Two Different Surfaces

open access: yesApplied Sciences, 2022
In this paper, we offer a numerical study on heated non-Newtonian fluid with a Newtonian heating effect towards thermally stable stretching surfaces. A comparative analysis for two stretched surfaces, namely, plate and cylinder, is offered.
Khalil Ur Rehman   +3 more
doaj   +1 more source

Safety Analysis on the Heating Surfaces in the 660 MW Ultra-Supercritical CFB Boiler under Sudden Electricity Failure

open access: yesEnergies, 2022
Ultra-supercritical circulating fluidized bed (CFB) boilers are taking up an increasing proportion of the CFB boiler fleet in China, making the safety concern about the heating surfaces in this type of boilers under sudden electricity failure draw more ...
Boyu Deng   +6 more
doaj   +1 more source

Reaction Kinetics of Chlorine Corrosion to Heating Surfaces during Coal and Biomass Cofiring

open access: yes, 2020
The high content of chlorine in biomass will cause serious ash deposition and corrosion problems on the heating surface in boiler, reduce heat transfer efficiency, and endanger the boiler operation safety.
Yongzhen Wang   +3 more
semanticscholar   +1 more source

Localized droplet heating by hydrophobic pins: Influence of pin area and droplet size on heat transfer

open access: yesCase Studies in Thermal Engineering, 2021
Localized heating of hydrophobic droplet is considered and the effects of restricted area heating and droplet size on heat transfer are examined. Samples composing of vertical steel pins located in Perspex holders are designed and manufactured.
Abdullah Al-Sharafi   +3 more
doaj   +1 more source

Optimising Pulse Combustion Systems for Enhanced Efficiency and Sustainability in Thermal Power Engineering [PDF]

open access: yesE3S Web of Conferences, 2023
This study evaluates the potential of pulsed cleaning, an emerging technology, in the maintenance of heating energy and reclamation boilers. Findings suggest that pulsed cleaning presents an effective, energy-efficient and eco-friendly approach to ...
Kasimov Sh.A.   +2 more
doaj   +1 more source

Absorption of pollutants from exhaust gases by low-temperature heating surfaces [PDF]

open access: yesE3S Web of Conferences, 2021
One of the most effective methods aimed to improving the environmental safety is fuel oil combustion in the form of specially prepared water-fuel emulsions.
Kornienko Victoria   +5 more
doaj   +1 more source

Development of a Novel Resistance Heating System for Microforming Using Surface-Modified Dies and Evaluation of Its Heating Property

open access: yesMetals, 2019
For this study, a novel resistance heating system for microforming was developed using surfaces of forming dies as heating resources. The electrical resistance of the die surfaces was designed and the hard-coating material AlCrSiN was selected to coat ...
Ming Yang, Tetsuhide Shimizu
doaj   +1 more source

Online Ash Fouling Prediction for Boiler Heating Surfaces based on Wavelet Analysis and Support Vector Regression

open access: yesEnergies, 2019
Depending on its operating conditions, traditional soot blowing is activated for a fixed time. However, low-frequency soot blowing can cause heat transfer efficiency to decrease.
Shuiguang Tong   +5 more
semanticscholar   +1 more source

Correlations for Heat Transport by Natural Convection of Cylindrical Surfaces Situated One above the Other

open access: yesCommunications, 2015
The paper presents a new criterion equation for calculating the Nusselt number for heat transport by natural convection from different numbers of cylindrical surfaces of heating sources.
Milan Malcho   +3 more
doaj   +1 more source

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