Results 1 to 10 of about 94,165 (166)

Experimental Investigation of the Effect of Nanofluid Utilization on Heat Transfer Performance in Unmanned Aircraft Radiators with Various Spring-Type Fins [PDF]

open access: yesNanomaterials
In the study conducted for the cooling systems of MALE class unmanned aerial vehicles using internal combustion engines, new type radiators were designed using spring-structure fins.
Beytullah Erdoğan   +2 more
doaj   +2 more sources

Studying the Process of Transport Equipment Cooling System Ultrasonic Cleaning

open access: yesCommunications, 2022
The article deals with the existing methods of cleaning vehicle radiators from sedimentary scale. A method of cleaning radiator tubes by ultrasonic radiation is proposed. An experimental bench has been developed for studying ultrasonic cleaning processes.
Adil Kadyrov   +5 more
doaj   +1 more source

Assessing the Potential of Heat Pumps to Reduce the Radiator Size on Small Satellites

open access: yesEnergies, 2023
Future small satellites will demand high-performance on-board electronics, requiring sophisticated approaches to heat rejection beyond simply increasing the radiator surface area. An interesting alternative approach is to increase the surface temperature
Nick S. Bennett, Brian Lim
doaj   +1 more source

Specifying boundary conditions for the operation of pipe heating systems with impact on the building energy balance

open access: yesActa Polytechnica CTU Proceedings, 2022
Unaddressed boundary conditions in the design of heating systems affect the energy balance of buildings, especially in buildings with very low energy consumption.
Jakub Spurný, Michal Kabrhel
doaj   +1 more source

Thermal analysis of electric vehicle DC charging pile power module based on two-dimensional ordered porous structure radiator [PDF]

open access: yesE3S Web of Conferences, 2020
In order to improve the heat dissipation performance and study the factors affecting the heat dissipation effect of a two-dimensional ordered porous structure, a thermal analysis of the radiator in the power module of a DC charging pile was carried out ...
Han Ying   +4 more
doaj   +1 more source

Corrosion Behavior of Aluminum in Dilute Acetic Acid Solution Simulating Cooling Water in HVDC Transmission

open access: yesInternational Journal of Electrochemical Science, 2022
The concentration, temperature effect and thermodynamic activation energy of aluminum corrosion in dilute acetic acid solution were explored by the polarization curve and the electrochemical impedance spectroscopy.
Peng Zhang   +6 more
doaj   +1 more source

Experimental analysis on heat transfer performance of LED lighting radiator [PDF]

open access: yesE3S Web of Conferences, 2021
At present, LED lighting is gradually replacing the traditional lighting and becoming the fourth generation of light source. In the process of LED lighting, a large part of electric energy is converted into heat energy.
Shang Fumin   +4 more
doaj   +1 more source

CFD-modeling of the temperature field of the radiator casing of the transmitting module of the active phased antenna arrays with air cooling

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2019
Frequency multipliers are used in electronic devices to generate spectrally pure sinusoidal signals in the frequency range from a few to tens of GHz. The multipliers are used to multiply the frequency of highly stable but more low-frequency devices with ...
Yu. Nikolaenko   +3 more
doaj   +1 more source

Monte Carlo Studies of a Novel LiF Radiator for RICH Detectors [PDF]

open access: yes, 1994
We show that a multifaceted LiF radiator produces more Cherenkov light and has better resolution per photon than a flat radiator slab when used in a ring imaging Cherenkov counter.
A. Efimov   +14 more
core   +2 more sources

A Multiband Slot Antenna loaded with Stubs for WLAN/WiMAX/Satellite TV Applications

open access: yesAdvanced Electromagnetics, 2018
A compact planar multiband antenna operating at 2.65 (lower WiMAX)/5.20 (WLAN)/6.75/7.30 GHz (Satellite TV) is presented. The antenna consists of circular radiator in which a rectangular slot is etched out.
I. Khan   +4 more
doaj   +1 more source

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