Results 11 to 20 of about 711,434 (267)

Energy imparted, energy transferred and net energy transferred [PDF]

open access: yesPhysics in Medicine and Biology, 1983
The ICRU-defined non-stochastic quantity absorbed dose is related to the stochastic quantity energy imparted. In this paper the corresponding stochastic quantities energy transferred and net energy transferred are defined as precursors for kerma and collision kerma, respectively. This forms a rational fundamental framework for radiation dosimetry which
openaire   +4 more sources

A review of imidazolium ionic liquid-based phase change materials for low and medium temperatures thermal energy storage and their applications

open access: yesGreen Energy and Resources, 2023
The application of ionic liquids (ILs) in the field of thermal energy storage is attracting increasing attention owing to their thermophysical properties, such as an adjustable phase change temperature, low flammability/volatility, and good thermal and ...
Qi Li   +6 more
doaj   +1 more source

Study on Chemical Kinetics Mechanism of Ignition Characteristics of Dimethyl Ether Blended with Small Molecular Alkanes

open access: yesEnergies, 2022
Dimethyl ether (DME)/C1-C4 alkane mixtures are ideal fuel for homogeneous charge compression ignition (HCCI) engines. The comparison of ignition delay and multi-stage ignition for DME/C1-C4 alkane mixtures can provide theoretical guidance for expanding ...
Kai Niu   +5 more
doaj   +1 more source

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

open access: yesEnergies, 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   +3 more
doaj   +1 more source

Impact of COVID-19 pandemic on energy consumption and carbon dioxide emissions in China's transportation sector

open access: yesCase Studies in Thermal Engineering, 2021
The COVID-19 pandemic has put the whole world in a great lockdown and greatly changed our lives. The lockdown caused by the COVID-19 pandemic has greatly affected the transportation industry in China.
Xinxin Zhang, Zhenlei Li, Jingfu Wang
doaj   +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

open access: yesHeliyon, 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   +7 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

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

A Review on the Rural Household Energy in China From 1990s—Transition, Regional Heterogeneity, Emissions, Energy-Saving, and Policy

open access: yesFrontiers in Energy Research, 2022
Rural energy is related to the domestic energy supply, consumption, and improvement of living standards of more than one-third of the population in China.
Xinxin Zhang   +6 more
doaj   +1 more source

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