Results 121 to 130 of about 13,582 (315)

Effect of Oil on Flow Boiling Heat Transfer and Flow Patterns of CO2 in 11.2 mm Horizontal Smooth and Enhanced Tube

open access: yes, 2012
Flow boiling heat transfer characteristics of CO2 with and without oil were investigated experimentally in horizontal smooth and enhanced tubes with an inner diameter of 11.2 mm.
Hrnjak, Predrag S., Kim, Seongho
core  

The effect of nozzle inclination on heat transfer in jet impingement systems [PDF]

open access: yes, 1981
Jet impingement heating and cooling techniques are used extensively in industrial applications. in some of these installations, the axis of the jet can be inclined relative to the impingement surface.
Oladiran, M. T.
core  

A Review of Failure Modes and Safety Strategies of Lithium‐Ion Batteries from Materials to Systems

open access: yesAdvanced Science, EarlyView.
A cascade‐aware framework is presented for lithium‐ion battery safety, linking thermal runaway initiation, acceleration, runaway reaction, and propagation with material‐, cell/pack‐, and system‐level interventions. By integrating failure mechanisms, quantitative safety indicators, and staged interception strategies, this review highlights how safer ...
Jin Hyeok Yang   +8 more
wiley   +1 more source

Boiling Heat Transfer of R-1234yf in Horizontal Circular Small Tubes

open access: yes, 2012
An experimental study for heat transfer coefficient and pressure drop with two-phase flow phase change was conducted with R-1234yf in horizontal circular small tubes.
Oh, Jong-Taek   +3 more
core  

Cooling tests of the core compartment of a high bypass ratio turbofan engine for civil aircraft

open access: yesCase Studies in Thermal Engineering
This paper analyzes the convective heat transfer characteristics of the core compartment engine casing of a high bypass ratio turbofan engine for civil aircraft through full-scale model experiments.
Bihai He, Shufan Wu, Hao Liu
doaj   +1 more source

Embedded Direct‐Written Organic Micro‐TEGs for High‐Efficiency Skin‐Heat Harvesting

open access: yesAdvanced Electronic Materials, EarlyView.
A finite‐element–guided design of direct‐written organic micro‐thermoelectric generators is presented for efficient skin‐heat harvesting. Embedding PEDOT:PSS/PBFDO thermoelectric legs within flexible substrates suppresses interfacial heat losses and enhances vertical heat flow.
Milad Jabri   +4 more
wiley   +1 more source

Single-phase flow and flow boiling of water in horizontal rectangular microchannels [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityThe current study is part of a long term experimental project devoted to investigating single-phase flow pressure drop and heat transfer, flow boiling ...
Mirmanto
core  

Calculation of heat transfer coefficients

open access: yesMetalurgija, 2019
In forced-convection furnaces for reheating Al-alloys, convective heat transfer mechanism dominates. Al-body temperature prediction model uses measured furnace temperature as boundary condition.
F. Vode   +4 more
doaj  

Effect of Microfins on Heat Rejection in Desuperheating, Condensation in Superheated Region and Two Phase Zone

open access: yes, 2012
Typical condenser design model simply divides the heat rejection process into de-superheating, two-phase, and subcooling. By neglecting condensation in presence of superheated vapor, error can be introduced. Experimental data on superheated CO2 and R410A
Hrnjak, Predrag S., Kondo, Chieko
core  

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

open access: yesAdvanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim   +5 more
wiley   +1 more source

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