Results 11 to 20 of about 9,350,603 (304)

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

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

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

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

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

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

A SE-DenseNet-LSTM model for locomotion mode recognition in lower limb exoskeleton [PDF]

PeerJ Computer Science
Locomotion mode recognition in humans is fundamental for flexible control in wearable-powered exoskeleton robots. This article proposes a hybrid model that combines a dense convolutional network (DenseNet) and long short-term memory (LSTM) with a channel
Jing Tang, Lun Zhao, Minghu Wu, Zequan Jiang, Jiaxun Cao, Xiang Bao   +5 more
doaj   +2 more sources

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

Effects of Charge Transport Materials on Blue Fluorescent Organic Light-Emitting Diodes with a Host-Dopant System

Micromachines, 2019
High efficiency blue fluorescent organic light-emitting diodes (OLEDs), based on 1,3-bis(carbazol-9-yl)benzene (mCP) doped with 4,4’-bis(9-ethyl-3-carbazovinylene)-1,1’-biphenyl (BCzVBi), were fabricated using four different hole transport ...
Neng Liu, Sijiong Mei, Dongwei Sun, Wuxing Shi, Jiahuan Feng, Yuanming Zhou, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source

Energy Efficiency in Secure and Dynamic Cloud Storage [PDF]

, 2013
The popularity of the cloud storage systems has brought a number of challenges. Two of them are data integrity and energy efficiency. There are many proposed static solutions to prove the integrity of a file. For the dynamic case, Rank-Based Authenticated Skip list RBASL has been presented. It provides the update operations with logarithmic complexity.
Adilet Kachkeev, Ertem Esiner, Alptekin Küpçü, Öznur Özkasap   +3 more
openaire   +2 more sources