Results 31 to 40 of about 211,478 (216)

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

EXPERIMENTAL STUDY ON HEAT TRANSFER ENHANCEMENT OF AIR JET IMPINGEMENT FOR ELECTRONICS THERMAL MANAGEMENT

, 2022
Jet impingement cooling was investigated on a flat heating surface placed in a flow channel, including single jet cooling, in-line double jet cooling, and combined crossflow and jet cooling; cross-flow cooling was a baseline for comparison.
Fu, Jiahong,, Sundén, Bengt,, Cao, Zhen,, Lund University., Li, Yong,   +4 more
core   +1 more source

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

Case 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, Yanjun Du, Yuting Wu, Biao Lei, Cancan Zhang   +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

Energies, 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, Zhongliang Liu, Yanxia Li, Yanling Chen, Yi Li   +4 more
doaj   +1 more source

A numerical investigation of heat transfer in phase change materials (PCMs) embedded in porous metals [PDF]

, 2011
The effects of metal foams on heat transfer enhancement in Phase Change Materials (PCMs) are investigated. The numerical investigation is based on the two-equation non-equilibrium heat transfer model, in which the coupled heat conduction and natural ...
Zhao, Changying, Tian, Yuan, Tian, Y. (Yuan), Y. Tian, C.Y. Zhao, Zhao, C.Y.   +5 more
core   +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

Energy 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, Wenzhen Wei, Yuying Li, Chuan Li, Ruihuan Ge, Yanping Du, Xinjing Zhang, Yuting Wu   +7 more
doaj   +1 more source

Pulsating Enhanced Heat Transfer [PDF]

Bulletin of Science and Practice, 2019
The paper mainly introduces the mechanism of turbulent fluid heat transfer enhancement and the factors affecting heat transfer. The physical parameters of pulsating fluid mainly include pulsation frequency and amplitude. The factors affecting heat transfer are the physical properties of the pulsating fluid and the installation of a pulsation generator.
H. Qian, S. Kudashev, V. Plotnikov
openaire   +1 more source

Preparation and characterization of an aluminum ammonium sulfate dodecahydrate-based composite phase change material with low supercooling and high thermal conductivity

Case Studies in Thermal Engineering
Aluminum ammonium sulfate dodecahydrate (AASD) is a promising hydrated salt-type phase change material. However, its application is severely hindered by its large undercooling and low thermal conductivity.
Zhansheng Fan, Yuanwei Lu, Tian Zhao, Qi Gao, Zhengyang Li, Yuting Wu   +5 more
doaj   +1 more source

Study on the Characteristics of Expander Power Output Used for Offsetting Pumping Work Consumption in Organic Rankine Cycles

Energies, 2014
The circulation pump in an organic Rankine cycle (ORC) increases the pressure of the liquid working fluid from low condensing pressure to high evaporating pressure, and the expander utilizes the pressure difference to generate work.
Yu-Ting Wu, Biao Lei, Chong-Fang Ma, Lei Zhao, Jing-Fu Wang, Hang Guo, Yuan-Wei Lu   +6 more
doaj   +1 more source

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

Frontiers 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, Xinxin Zhang, Kaili Xu, Kaili Xu, Maogang He, Jingfu Wang, Jingfu Wang   +6 more
doaj   +1 more source