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Sergio Jesús González-Ambriz, Rolando Menchaca-Méndez, Sergio Alejandro Pinacho-Castellanos and Mario Eduardo Rivero-Ángeles
This paper presents the spectral gap-based topology control algorithm (SGTC) for wireless backhaul networks, a novel approach that employs the Laplacian Spectral Gap (LSG) to find expander-like graphs that optimize the topology of the network in terms of...
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Yongning He, Huihong Wu, Yeqiang Zhang, Tingxiang Jin and Ziwen Xing
An organic Rankine cycle (ORC) system is an efficient technology for generating power from low-grade thermal sources. Twin screw expanders are widely used in ORC systems. Pressure loss caused by a suction port influences the suction process and the syste...
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Monica Macrì, Elena Toniato, Giovanna Murmura, Giuseppe Varvara and Felice Festa
Background and objectives. This paper aimed to evaluate the changes in mean bone density values of the midpalatal suture (MPS) in 392 young patients treated with a rapid palatal expander (RPE) appliance, depending on sex and vertical and sagittal skeleta...
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Xiaoling Yang, Zhefeng Wang, Ze Zhang, Shuangtao Chen, Yu Hou and Liang Chen
As a requirement for sustainable development, air-cycle refrigeration has received wide attention as a candidate for environmentally friendly air conditioning technology. In this study, the thermodynamic performance of air refrigeration cycles is investi...
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Valentina Lanteri, Andrea Abate, Davide Cavagnetto, Alessandro Ugolini, Francesca Gaffuri, Alessandro Gianolio and Cinzia Maspero
Background: The aim of this study is to evaluate and compare, through bidimensional cephalometry, skeletal and dental changes obtained from a rapid maxillary expander (RME) and a Ni-Ti leaf spring expander (Leaf) and compare them with an untreated contro...
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Eugen-Silviu Bud, Mariana Pacurar, Alexandru Vlasa, Ana Petra Lazar, Lumini?a Lazar, Petru Vaida and Anamaria Bud
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Young Min Kim, Dong Gil Shin and Chang Gi Kim
The hydrogen storage pressure in fuel cell vehicles has been increased from 35 MPa to 70 MPa in order to accommodate longer driving range. On the downside, such pressure increase results in significant temperature rise inside the hydrogen tank during fas...
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Angad S Panesar,Marco Bernagozzi Views: 359 | 0
Pág. 203 - 213
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Vignesh Pethurajan and Suresh Sivan
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Ibrahim Gad-el-Hak, Ahmed E. Hussin, Ashraf M. Hamed and Nabil A. Mahmoud
The present paper provides a numerical study that leads to the proper selection of a working fluid for use in low-temperature organic Rankine cycle (ORC) applications. This selection is not only based on the provision of best efficiency but also to compl...
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