Results 21 to 30 of about 3,225,090 (250)

Study on the Optimization of Filling Ratio and Strength Variation Characteristics of Cemented Backfills Containing Fly Ash

open access: yesFrontiers in Materials, 2021
The fly ash for underground filling can effectively utilize solid waste, improve the strength of the backfill, and reduce the cost, thus creating good social and economic benefits.
Baomeng Chang   +5 more
doaj   +1 more source

Experimental investigation of an aluminium thermosyphon at normal operating conditions

open access: yesJournal of Thermal Engineering, 2020
The paper presents experimental investigation of an aluminium thermosyphon charged with acetone as working fluid. The effect of filling ratio on steady state performance of thermosyphon is experimentally investigated.
Sachin MUTALİKDESAİ, Ajit KATE
doaj   +1 more source

EXPERIMENTAL DETERMINATION OF TEMPERATURES IN CHARACTERISTIC SECTIONS OF THE WORKING ZONE OF A CLOSED TWO-PHASE THERMOSYPHON

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
In article, presents the results of experimental determination of temperature distributions in characteristic sections of the working zone of a closed two-phase thermosyphon.
G. V. Kuznetsov, A. E. Nurpeiis
doaj   +1 more source

Heat transfer characteristics of miniature two-phase thermosyphons with nanofluids

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2020
This paper presents and analyzes experimental data on the total thermal resistances of two-phase miniature thermosyphons with nanofluids; the geometric parameters of the thermosyphons for all experimental samples are identical: total length 700 mm ...
Vladimir Kravets, Dmytro Hurov
doaj   +1 more source

Modelling of liquid metal flow and oxide film defects in filling of aluminium alloy castings [PDF]

open access: yes, 2012
The liquid metal flow behaviours in different runner system designs have important effects on the mechanical strength of aluminium alloy castings. In this paper, a new model has been developed which is a two-dimensional program using a finite difference ...
Jolly, Mark R.   +3 more
core   +1 more source

High aspect ratio TSV copper filling with different seed layers

open access: yes, 2022
S.563-570The paper addresses the through silicon via (TSV) filling using electrochemical deposition (ECD) of copper. The impact of seed layer nature on filling ratio and void formation will be discussed with respect to via diameter and via depth.
Wunderle, B.   +8 more
core   +1 more source

Heat transfer enhancement by diamond nanofluid in gravity heat pipe for waste heat recovery

open access: yesFunctional Diamond, 2022
Waste heat recovery is significant for improving energy utilization, reducing carbon emissions, and neutrality. The gravity heat pipe (GHP) has excellent thermal performance due to the cyclic phase transformation of the working fluid.
Ning Qian   +5 more
doaj   +1 more source

Experimental and Theoretical Study on Operation Characteristics of an Oscillating Heat Pipe

open access: yesApplied Sciences, 2023
An oscillating heat pipe (OHP) is an effective heat transfer device for the thermal management of electronic devices. However, the heat transfer mechanism of the OHP was not fully understood due to its complicated operation characteristics. In this paper,
Yunzhi Ling   +4 more
doaj   +1 more source

Visualization and Heat Transfer Performance of Mini-Grooved Flat Heat Pipe Filled with Different Working Fluids

open access: yesMicromachines, 2022
Mini-grooved flat heat pipe (MGFHP) possesses the advantages of high compactness, no mechanical component, super thermal conductivity, and excellent temperature uniformity, which can meet the demand for electronic devices efficiently cooling.
Fei Xin, Qiang Lyu, Wenchao Tian
doaj   +1 more source

A Fully Resolved Model of Compressible Flow with Phase Change Inside a Thermosyphon Heat Pipe: Validation and Predictive Analysis

open access: yesFluids
Thermosyphon heat pipes (THPs) are increasingly employed in advanced thermal management applications due to their highly effective thermal conductivity, compact design, and passive operation.
Hammouda Mahjoub   +4 more
doaj   +1 more source

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