Results 21 to 30 of about 199,085 (265)

A REVIEW ON HEAT TRANSFER ENHANCEMENT WITH NANOFLUIDS [PDF]

open access: yesJournal of Enhanced Heat Transfer, 2020
Advances in technology miniaturization with increasing power density call for new technologies for enhancing heat transfer. Enhancement of heat transfer with use of nanofluids has been a hectic topic of research and development since the term “nanofluid” named in 1995, mainly because the thermophysical properties of nanofluids in most reports in the ...
openaire   +1 more source

Research on the energy management strategy of extended range electric vehicles based on a hybrid energy storage system

open access: yesEnergy Reports, 2022
Extended range electric vehicles (EREVs) are an effective solution to solve the lack of driving range of pure electric vehicles. Reducing the fuel consumption of EREVs and prolonging the service lifetime of battery play a positive role in solving ...
Yifan Yang   +7 more
doaj   +1 more source

Elman and back propagation neural networks based working fluid side energy level analysis of shell-and-tube evaporator in organic Rankine cycle (ORC) system

open access: yesAlexandria Engineering Journal, 2022
As the heat exchange component of the organic Rankine cycle (ORC) system, the evaporator directly affects the overall operation performance of the system.
Xu Ping   +4 more
doaj   +1 more source

Comparisons of the Uncoupled Effects of CO2 on the CH4/O2 Counterflow Diffusion Flame under High Pressure

open access: yesApplied Sciences, 2021
A comprehensive numerical investigation of the uncoupled chemical, thermal, and transport effects of CO2 on the temperature of CH4/O2 counterflow diffusion flame under high pressure up to 5 atm was conducted.
Ying Chen   +3 more
doaj   +1 more source

Numerical Study of the Dynamic Response of Heat and Mass Transfer to Operation Mode Switching of a Unitized Regenerative Fuel Cell

open access: yesEnergies, 2016
Knowledge concerning the complicated changes of mass and heat transfer is desired to improve the performance and durability of unitized regenerative fuel cells (URFCs).
Hong Xiao   +3 more
doaj   +1 more source

The Effects of CO2 Additional on Flame Characteristics in the CH4/N2/O2 Counterflow Diffusion Flame

open access: yesMolecules, 2021
The effects (chemical, thermal, transport, and radiative) of CO2 added to the fuel side and oxidizer side on the flame temperature and the position of the flame front in a one-dimensional laminar counterflow diffusion flame of methane/N2/O2 were studied.
Ying Chen   +3 more
doaj   +1 more source

Zeotropic Mixture Selection for an Organic Rankine Cycle Using a Single Screw Expander

open access: yesEnergies, 2020
The organic Rankine cycle (ORC) is a popular and promising technology that has been widely studied and adopted in renewable and sustainable energy utilization and low-grade waste heat recovery.
Xinxin Zhang   +5 more
doaj   +1 more source

Performance evaluation and optimization guidance for steam generating heat pumps with significant temperature lift

open access: yesCase Studies in Thermal Engineering
Steam generating heat pumps (SGHPs) offer a promising alternative to coal-fired boilers. To address the lack of general optimization strategy of autocascade SGHP (ASGHP) for variable operating conditions and variable cycle configurations, this paper ...
Xudong Ma   +4 more
doaj   +1 more source

Experimental Study of Frost Crystals Dendrite Growth on Two Neighboring Separate Frozen Water Drops on a Cryogenic Cold Surface under Natural Convection Conditions

open access: yesEnergies, 2023
The effects of cold surface temperature, wet air state (temperature and humidity) and original drop size on frost dendrites growth of two neighboring separate frozen water drops of same size under natural convection conditions were investigated by ...
Fengjiao Yu   +4 more
doaj   +1 more source

Development and investigation of form-stable quaternary nitrate salt based composite phase change material with extremely low melting temperature and large temperature range for low-mid thermal energy storage

open access: yesEnergy Reports, 2022
This paper reports a form-stable molten salt based composite phase change material (CPCM) owning extremely low melting point and large temperature range that can be a promising candidate used in low and middle temperature thermal energy storage fields ...
Qi Li   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy