Results 161 to 170 of about 16,180 (187)

Performance analysis of a solar air heater modified with zig-zag shaped copper tubes using energy-exergy methodology

, 2021
This study has been performed to enhance the performance of the solar air heater (SAH) using copper tubes to the absorber plate. Thermodynamic analysis of the SAH with and without copper tubes attached to the absorber plate has been performed.
Dhananjay Kumar, P. Mahanta, P. Kalita
semanticscholar   +1 more source

Zig-Zag Network for Semantic Segmentation of RGB-D Images

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2020
Semantic segmentation of images requires an understanding of appearances of objects and their spatial relationships in scenes. The fully convolutional network (FCN) has been successfully applied to recognize objects’ appearances, which are represented ...
Di Lin, Hui Huang
semanticscholar   +1 more source

Screening and characterization of sex-specific markers by 2b-RAD sequencing in zig-zag eel (Mastacembelus armatus) with implication of XY sex determination system

, 2020
Identification of sex-specific markers and revealing of the sex determination system have important implications for sex control breeding in aquaculture.
Lingzhan Xue, Xin-fen Guo, Yu-lin Zhou, Zhong-Wei Wang, Haiping Fan, Dapeng Li, J. Gui   +6 more
semanticscholar   +1 more source

Zig-RiR: Zigzag RWKV-in-RWKV for Efficient Medical Image Segmentation

IEEE Transactions on Medical Imaging
Medical image segmentation has made significant strides with the development of basic models. Specifically, models that combine CNNs with transformers can successfully extract both local and global features.
Tianxiang Chen, Xudong Zhou, Zhentao Tan, Yue Wu, Ziyang Wang, Z. Ye, Tao Gong, Qi Chu, Nenghai Yu, Le Lu   +9 more
semanticscholar   +1 more source

Quasi-static in-plane compression of zig-zag folded metamaterials at large plastic strains

, 2020
The work aims to study the large, plastic deformation and energy absorption characteristics of zig-zag folded metamaterials, BCHn, under quasi-static in-plane compression, using an analytical method and numerical analysis.
Jianjun Zhang, D. Karagiozova, G. Lu, Pengwan Chen   +3 more
semanticscholar   +1 more source

Multi-Band Rectangular Zig-Zag-Shaped Microstrip Patch Antenna for Wireless Applications

, 2020
In the era of fifth generation communication system, multi-band patch antenna is the key element of this system. Most of the wireless communication devices work in the range of 1 to 6 GHz such as wireless fidelity (Wi-Fi), Wi-Max, and wireless local area
Pranay Yadav, Bharat Bhushan Khare, Sudesh Gupta, Y. Kshirsagar, Swati Jain   +4 more
semanticscholar   +1 more source

Nonlinear aerothermoelastic analysis of composite laminated panels using a general higher-order shear deformation zig-zag theory

International Journal of Mechanical Sciences, 2019
A general higher-order shear deformation zig-zag theory is proposed for predicting the nonlinear aerothermoelastic characteristics of composite laminated panels subjected to supersonic airflow.
Fangtao Xie, Y. Qu, Wenming Zhang, Zhike Peng, G. Meng   +4 more
semanticscholar   +1 more source

Large displacement models for composites based on Murakami's Zig-Zag Function, Green-Lagrange Strain Tensor, and Generalized Unified Formulation

, 2020
Murakami's Zig-Zag Function in conjunction of Green-Lagrange Strain- and Second-Piola Kirchhoff Stress-tensors and Generalized Unified Formulation are introduced for the first time to present a class of Zig-Zag theories for composite structures ...
E. Santarpia, L. Demasi
semanticscholar   +1 more source

Classical, higher-order, zig-zag and variable kinematic shell elements for the analysis of composite multilayered structures

European Journal of Mechanics - A/Solids, 2018
In the present work, a shell finite element with a variable kinematic field based on a new zig-zag power function is proposed for the analysis of laminated shell structures.
E. Carrera, S. Valvano, M. Filippi
semanticscholar   +1 more source

Analysis of multilayered structures embedding viscoelastic layers by higher-order, and zig-zag plate elements

Composites Part B: Engineering, 2018
In this work, a number of higher-order plate elements and an improved theory based on a zig-zag power function have been applied to metallic and composite layered structures with viscoelastic layers.
M. Filippi, E. Carrera, S. Valvano
semanticscholar   +1 more source