Results 11 to 20 of about 300,033 (327)

Entransy, Entransy Dissipation and Entransy Loss for Analyses of Heat Transfer and Heat-Work Conversion Processes

open access: bronzeJournal of Thermal Science and Technology, 2013
Entransy is a parameter proposed in recent years to describe the potential of heat in an object. Its balance equation was established based on the energy equation of heat transfer, which contains entransy, entransy flow, entransy dissipation and entransy
XueTao CHENG, XinGang LIANG
doaj   +3 more sources

Predicting cortical bone resorption in the mouse tibia under disuse conditions caused by transient muscle paralysis [PDF]

open access: yesScientific Reports
Load removal from the load-bearing bone, such as during extended space travel or prolonged bed rest, negatively affects bone health and leads to significant bone loss.
Himanshu Shekhar   +2 more
doaj   +2 more sources

Dissipation Losses in Artificial Dielectric Layers

open access: greenIEEE Transactions on Antennas and Propagation, 2018
Closed-form expressions to describe artificial dielectric layers with finite conductivity are presented. The propagation of a generic plane wave within the artificial material is described by means of transmission line models, where each layer is represented as an equivalent shunt impedance.
Daniele Cavallo
openalex   +4 more sources

Rayleigh-Wave Dissipation Functions in Low-Loss Media [PDF]

open access: bronzeGeophysical Journal International, 1959
J. Ross Macdonald
openalex   +2 more sources

Failure Mechanisms of Ester-Based Magnetic Fluid Seals at High Speeds: Thermal Dissipation and Fluid Loss

open access: goldMagnetochemistry
Magnetic fluid seals are well known for their zero-leakage performance but are limited at high rotational speeds due to heat generation and fluid loss. This study experimentally investigates the failure mechanisms of ester-based magnetic fluid seals at ...
Jixian Yang, Decai Li, Licong Jin
doaj   +2 more sources

Flow energy loss characteristics of ducted propeller using entropy production theory

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectiveIn order to accurately locate the zone and size of flow energy loss during the operation of a ducted propeller, the flow energy loss characteristics are analyzed from the perspective of energy.MethodSteady ducted propeller simulations are ...
Ke SONG, Bangcheng YANG
doaj   +1 more source

Loss Determination Techniques for Piezoelectrics: A Review

open access: yesActuators, 2023
Nowadays, heat dissipation in electronic devices is one of the serious issues to be resolved in energy and environmental terms. Piezoelectric materials are being utilized in many electronic devices, yet the roadblock toward further miniaturization of ...
Yoonsang Park, Minkyu Choi, Kenji Uchino
doaj   +1 more source

Analysis of flow loss characteristics of slanted axial-flow pump device based on entropy production theory

open access: yesRoyal Society Open Science, 2022
Slanted axial-flow pump devices are widely applied in urban water supply, irrigation and drainage engineering fields. The second law of thermodynamics is applied to investigate the flow loss characteristics of the 30° slanted axial-flow pump model ...
Fan Yang   +6 more
doaj   +1 more source

Thermal Mapping of Power Semiconductors in H-Bridge Circuit

open access: yesApplied Sciences, 2020
In this paper, a universal H-bridge circuit is used as a loading emulator to investigate the loss and thermal models of the power semiconductor. Based on its operation principle and modulation method, the dominating factors’ (e.g., power factor, loading ...
Dao Zhou   +4 more
doaj   +1 more source

Design and Analysis of Interior Permanent Magnet Motor With Magnetic Isolation and Heat Dissipation Integrated Auxiliary Slot

open access: yesIEEE Access, 2023
This paper presents a novel auxiliary slot interior permanent-magnet (IPM) motor. It not only plays the role of magnetic isolation and reduces the eddy-current (EC) loss, but also facilitates the ventilation and heat dissipation of the rotor.
Jingfeng Mao   +4 more
doaj   +1 more source

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