Results 21 to 30 of about 352,836 (265)

Testing algorithm for heat transfer performance of nanofluid-filled heat pipe based on neural network

open access: yesOpen Physics, 2020
Traditional testing algorithm based on pattern matching is impossible to effectively analyze the heat transfer performance of heat pipes filled with different concentrations of nanofluids, so the testing algorithm for heat transfer performance of a ...
Lei Lei
doaj   +1 more source

Comparative Analysis of Heat Transfer Characteristics of Conical Cavity Receivers With Different Heat Transfer Fluids

open access: yes发电技术, 2021
To explore the influence of heat transfer fluids on the heat transfer characteristics of solar receivers, the heat transfer characteristics of conical cavity receivers with supercritical CO2 and compressed air as heat transfer fluids were compared and ...
Ding WANG   +3 more
doaj   +1 more source

FORMATION AND STUDY OF PLASMA SPRAYING DOUBLE-LAYER COMPOSITE COATINGS (VISCOUS METALLIC NiCr AND SOLID ZrO2 LAYER)

open access: yesНаука и техника, 2018
. The paper presents results pertaining to investigations on influence of plasma jet parameters and fractional composition of initial powder on characteristics of two-layer composite coatings on the basis of nickel-chromium, and zirconium dioxide in the ...
V. A. Okovity   +9 more
doaj   +1 more source

Analysis of heat transfer of variable conductance heat pipe for waste heat recovery of mine return air

open access: yesMeikuang Anquan, 2021
The variable conductance heat pipe(VCHP) is used to solve the problem of uncontrollable heat exchange of heat pipe for waste heat recovery of mine return air.
LU Yingzuo, BAO Lingling, LUO Jinghui, WANG Jinggang
doaj   +1 more source

PCB board heat transfer model based on heat transfer mechanism analysis [PDF]

open access: yesJournal of Physics: Conference Series, 2021
Abstract Temperature control plays a vital role in the circuit board production process. In order to control the temperature change in the reflow oven, we establish a differential equation model of the PCB heat transfer based on the theory of heat transfer and use the boundary conditions to solve the temperature distribution in the oven.
S E Gu, D Z Xue, B Liang, L X Chen
openaire   +1 more source

Comparative Numerical Study on Global Heat Transfer Process in Micro-Channel Gas Coolers with Different Structures [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
A numerical simulation of global heat transfer process in three types of micro-channel heat exchangers was investigated in this paper: spiral double-pipe micro-channel heat exchanger (DPHE), cross-plate micro-channel heat exchanger (CPHE), and shell and ...
D. Yang, N. Wang, J. Xie, J. Wang
doaj   +1 more source

Heat Transfer Analysis for Non-Contacting Mechanical Face Seals Using the Variable-Order Derivative Approach

open access: yesEnergies, 2021
This article presents a variable-order derivative (VOD) time fractional model for describing heat transfer in the rotor or stator in non-contacting mechanical face seals.
Slawomir Blasiak
doaj   +1 more source

Combined Heat and Power System Dispatch Considering Heat Transfer Characteristics of Heat Exchangers

open access: yesZhongguo dianli, 2020
The heat transfer characteristic of heat exchangers is one of the key factors affecting the optimal dispatch of combined heat and power systems. In order to optimize the dispatch of the combined heat and power systems, a three-stage heat transfer model ...
Liming ZOU   +3 more
doaj   +1 more source

Evaluation of localized heat transfer coefficient for induction heating apparatus by thermal fluid analysis based on the HSMAC method

open access: yesOpen Physics, 2020
With the development of electrical machines for achieving higher performance and smaller size, heat generation in electrical machines has also increased.
Namiki Satoshi   +2 more
doaj   +1 more source

Numerical Analysis of Seismic Performances of Post-Fire Scoria Aggregate Concrete Beam-Column Joints

open access: yesFire, 2021
In order to analyze the post-fire seismic performances of scoria aggregate concrete (SAC) beam-column joints precisely and effectively, one finite element model (FEM) was developed to simulate the seismic behavior of SAC beam-column joints.
Bin Cai, Wen-Li Hu, Feng Fu
doaj   +1 more source

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