Results 11 to 20 of about 246,103 (314)

Shallow and deep feature fusion for digital audio tampering detection

EURASIP Journal on Advances in Signal Processing, 2022
Digital audio tampering detection can be used to verify the authenticity of digital audio. However, most current methods use standard electronic network frequency (ENF) databases for visual comparison analysis of ENF continuity of digital audio or ...
Zhifeng Wang, Yao Yang, Chunyan Zeng, Shuai Kong, Shixiong Feng, Nan Zhao   +5 more
doaj   +1 more source

Numerical simulation on influence of noise barrier on thermal performance for natural draft wet cooling towers

Case Studies in Thermal Engineering, 2021
The noise barrier installed around the natural draft wet cooling tower can reduce the operating noise, but it will lead to an adverse effect on the thermal performance of the tower.
Zhirui Zheng, Deying Zhang, Lei Jiang, Zhengqing Zhang, Suoying He, Ming Gao   +5 more
doaj   +1 more source

Spatial and temporal learning representation for end-to-end recording device identification

EURASIP Journal on Advances in Signal Processing, 2021
Deep learning techniques have achieved specific results in recording device source identification. The recording device source features include spatial information and certain temporal information.
Chunyan Zeng, Dongliang Zhu, Zhifeng Wang, Minghu Wu, Wei Xiong, Nan Zhao   +5 more
doaj   +1 more source

Comparative analysis of the efficiency of various energy storages

Modeling, Control and Information Technologies, 2023
The use of renewable energy creates the need to solve the problem of its discontinuity. Previous experience has shown that energy storage devices are best suited for this. They can be attributed to new technologies, since the operation of some energy storage devices is based on the latest achievements of modern science and technology.
Bakir Zulfugarov, Arif Hasanov, Elshan Hashimov   +2 more
openaire   +2 more sources

Crosswind influence on heat and mass transfer performance for wet cooling tower equipped with an axial fan

Case Studies in Thermal Engineering, 2021
To enhance the thermal performance and relieve the impact of crosswind on the super large-scale natural draft wet cooling towers (SLWCTs), based on our previous research, through the three-dimensional numerical simulation of the SLWCT equipped with an ...
Deying Zhang, Rui Chen, Zhengqing Zhang, Suoying He, Ming Gao   +4 more
doaj   +1 more source

A review of solar collectors and thermal energy storage in solar thermal applications [PDF]

, 2013
Thermal applications are drawing increasing attention in the solar energy research field, due to their high performance in energy storage density and energy conversion efficiency. In these applications, solar collectors and thermal energy storage systems
Zhao, Changying, Tian, Yuan, Tian, Y. (Yuan), Zhao, C.Y.   +3 more
core   +1 more source

Storage Efficiency of Cold-Crystallizing Long-Term Heat Storage Material

, 2021
Efficient and compact long-term heat storage material would enable effective utilization of renewable energy sources by balancing the long-term variations in production and consumption.
Seppälä, Ari, Santasalo-Aarnio, Annukka, Annukka Santasalo-Aarnio, Konsta Turunen, Ari Seppälä, Turunen, Konsta   +5 more
core   +1 more source

Cooling performance between natural draft cooling system and pre-spray cooling system of photovoltaic modules

Xi'an Gongcheng Daxue xuebao, 2022
In order to solve the problem of low photoelectric conversion efficiency caused by high operating temperature of photovoltaic modules, a pre-spray cooling system for photovoltaic modules driven by buoyancy was proposed.
HE Suoying, LIU Tiantian, ZHANG Qi, MIAO Jiayu, ZHANG Zhiyuan, GAO Ming   +5 more
doaj   +1 more source

Feasibility study of energy storage options for photovoltaic electricity generation in detached houses in Nordic climates

, 2022
Energy storage is an emerging solution to mitigate the intermittency of solar photovoltaic (PV) power generation and includes several technologies that could also be applied in small-scale residential applications.
Sanna Syri, Santasalo-Aarnio, Annukka, Annukka Santasalo-Aarnio, Hyvönen, Johannes, Lehtonen, Matti, Johannes Hyvönen, Matti Lehtonen, Syri, Sanna   +7 more
core   +1 more source

Improved Efficiency of Perovskite Light-Emitting Diodes Using a Three-Step Spin-Coated CH₃NH₃PbBr₃ Emitter and a PEDOT:PSS/MoO₃-Ammonia Composite Hole Transport Layer

Micromachines, 2019
High efficiency perovskite light-emitting diodes (PeLEDs) using PEDOT:PSS/MoO3-ammonia composite hole transport layers (HTLs) with different MoO3-ammonia ratios were prepared and characterized. For PeLEDs with one-step spin-coated CH3NH3PbBr3 emitter, an
Yuanming Zhou, Sijiong Mei, Dongwei Sun, Neng Liu, Wuxing Shi, Jiahuan Feng, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source