Results 1 to 10 of about 492,580 (168)

Modelling and Control of Thermal System

open access: yesAdvances in Electrical and Electronic Engineering, 2014
Work presented here deals with the modelling of thermal processes in a thermal system consisting of direct and indirect heat exchangers. The overal thermal properties of the medium and the system itself such as liquid mixing or heat capacity are shortly ...
Vratislav Hladky, Radoslav Bielek
doaj   +2 more sources

Experimental Investigation on the Heat Transfer Characteristics of Multi-Point Heating Microchannels for Simulating Solar Cell Cooling

open access: yesEnergies, 2022
Concentrating photovoltaic power generation technology is a highly efficient way of utilizing solar energy resources with the efficiency limited by cell cooling conditions.
Qi Yang   +5 more
doaj   +1 more source

Retrospective Review of a Two-Phase Mechanically Pumped Loop for Spacecraft Thermal Control Systems [PDF]

open access: yesJournal of Mechanical Engineering, 2021
The main issues associated with the development of two-phase mechanically pumped loops (2-MPL) for thermal control systems of spacecraft with large heat dissipation were formulated back in the early 80s. They have undeniable advantages over single-phase
Gennadiy O. Gorbenko   +3 more
doaj   +1 more source

Energy and Exergy Analysis on a Blast Furnace Gas-Driven Cascade Power Cycle

open access: yesEnergies, 2022
Blast furnace gas is the major combustible by-product produced in the steel industry, where iron ore is reduced by coke into iron. Direct combustion of blast furnace gas after simple treatment for power generation is a common utilization method nowadays.
Hao Chen   +5 more
doaj   +1 more source

The combined effects of hydrothermal treatment and Na2S2O8/ CuFe2O4 magnetic oxidation on sludge dewaterability improvement [PDF]

open access: yesE3S Web of Conferences, 2020
Na2S2O8/CuFe2O4 addition and hydrothermal pretreatment were combined in this paper to ameliorate the dewatering performance (DP) of sludge with specific-resistance of filtration (SRF), time of capillary suction (CST), and water content (Wc) as well as ...
Chen Yonghao   +4 more
doaj   +1 more source

Passive thermal control systems in spacecrafts

open access: yesJournal of the Brazilian Society of Mechanical Sciences and Engineering, 2023
A spacecraft is a vehicle designed for accomplishing a mission for military, scientific and commercial purposes. While designing a spacecraft, scientists face some challenges, one of which is the design of a thermal subsystem. A spacecraft is exposed to internal and external thermal loads during its lifetime.
Erdinç Mermer, Rahmi Ünal
openaire   +3 more sources

Enhanced Thermal Transport Properties of Graphene/SiC Heterostructures on Nuclear Reactor Cladding Material: A Molecular Dynamics Insight

open access: yesNanomaterials, 2022
Owing to the excellent thermal properties of graphene, silicon carbide (SiC) combined with graphene is expected to obtain more outstanding thermal performance and structural stability at high temperatures. Herein, the thermal conductivity of graphene/SiC
Lei Wu   +6 more
doaj   +1 more source

Day-ahead and intra-day two-stage low-carbon economic scheduling method considering multi-form energy-intensive load

open access: yesFrontiers in Energy Research, 2023
To solve the problem of the large gap in the regulation resources of the power system due to the large number of wind power connected to the grid and to help achieve the strategic energy goal of “carbon neutrality and carbon peaking,” the demand-side ...
Zhijun Yuan   +9 more
doaj   +1 more source

Diagnostic and Monitoring System for Technical Condition of Electromechanical Section of Thermal Control Systems in Spacecraft [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2020
Modern diagnostics methods ensuring the safety of production and operation, as well as the improvement of functional characteristics of electromechanical systems’ are discussed, method of diagnostics according to the spectrum and hodograph of the engine ...
Stanislav A. Matveev   +6 more
doaj   +1 more source

Numerical Investigation on the Flow Characteristics in a 17 × 17 Full-Scale Fuel Assembly

open access: yesEnergies, 2020
In a previous study, several computational fluid dynamics (CFD) simulations of fuel assembly thermal-hydraulic problems were presented that contained fewer fuel rods, such as 3 × 3 and 5 × 5, due to limited computer capacity. However, a typical
Zihao Tian   +6 more
doaj   +1 more source

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