Results 21 to 30 of about 5,318,618 (294)

Advances in High-Temperature Molten Salt-Based Carbon Nanofluid Research

Energies, 2023
Molten salt is an excellent medium for heat transfer and storage. The unique microstructure of carbon nanomaterials leads to good mechanical stability, low density, high thermal conductivity, and high strength, etc.
Xia Chen, Mingxuan Zhang, Yuting Wu, Chongfang Ma   +3 more
doaj   +1 more source

R134a flow boiling heat transfer in small diameter tubes [PDF]

, 2007
Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
core   +6 more sources

Experimental determination of natural convection heat transfer coefficients in an attic shaped enclosure [PDF]

, 2010
Heat transfer by natural convection in triangular enclosures is an area of significant importance in applications such as the design of greenhouses, attics and solar water heaters.
Carson, James K., Duke, Mike, Anderson, Timothy Nicholas   +2 more
core   +1 more source

A REVIEW ON HEAT TRANSFER ENHANCEMENT WITH NANOFLUIDS [PDF]

Journal 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

State of charge estimation of ultracapacitor based on forgetting factor recursive least square and extended Kalman filter algorithm at full temperature range

Heliyon, 2022
State of charge (SOC) of ultracapacitor plays an important role in the energy management optimization of hybrid energy storage system for electric vehicles.
Jing Ren, Yonghong Xu, Hongguang Zhang, Fubin Yang, Yifang Yang, Xu Wang, Peng Jin, Denggao Huang   +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

Alexandria 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, Fubin Yang, Hongguang Zhang, Jian Zhang, Wujie Zhang   +4 more
doaj   +1 more source

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

Applied 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, Jingfu Wang, Xiaolei Zhang, Conghao Li   +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

Energies, 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, Hang Guo, Fang Ye, Chongfang Ma   +3 more
doaj   +1 more source

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

Molecules, 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, Jingfu Wang, Xiaolei Zhang, Conghao Li   +3 more
doaj   +1 more source

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

Energies, 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, Yin Zhang, Zhenlei Li, Jingfu Wang, Yuting Wu, Chongfang Ma   +5 more
doaj   +1 more source