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Luz Alicia Cárdenas Jirón, Pablo Carrasco Milla
Este artículo da cuenta de una investigación que tiene por objeto evaluar cambios en la estructura urbana de ciudades de rango medio insertas en la economía global. Se escoge Copiapó por el espectacular crecimiento económico derivado del modelo orientado...
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Marat Satayev, Abdugani Azimov, Gani Iztleuov and Lazzat Satayeva
The aim of this work is to develop an adsorber with a fixed bed of adsorbent and a mathematical model of the adsorption bed. On the basis of the theory of fractal clusters, an equation for calculating the layer porosity that takes into account the averag...
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Xuewen Fu, Ximei Wei, Meng Wang, Hongwen Zhang, Lei Wang, Jun Wang and Yuanzhao Zheng
This study investigated the impact of compression molding parameters on the post-molding characteristics of machine-harvested seed cotton and aimed to determine the optimal compression molding parameters. The closed compression test of seed cotton and fo...
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Carlo Santini, Fabio Mangini and Fabrizio Frezza
The purpose of a circle packing procedure is to fill up a predefined, geometrical, closed contour with a maximum finite number of circles. The subject has received considerable attention in pure and applied sciences and has proved to be highly effective ...
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Cheng Liu, Zhujun Si, Jun Hua and Na Jia
The problem of two-dimensional irregular packing involves the arrangement of objects with diverse shapes and sizes within a given area. This challenge arises across various industrial sectors, where effective packing optimization can yield cost savings, ...
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Neil Sang
The continuous nature of space and time is a fundamental tenet of many scientific endeavors. That digital representation imposes granularity is well recognized, but whether it is possible to address space completely remains unanswered. This paper argues ...
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Stefano Mini, Fabrizio Ponti, Alessandro Brusa, Roberto Bertacin and Barbara Betti
Numerical studies intended to predict solid rocket motors anomalies are the major contributors when developing strategies to both limit expensive fire tests and to investigate and understand the physical phenomena from which anomalies can arise. This pap...
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Vinh Thi Hai Chu, Vinh Duc Bui and Tue Viet Nguyen
Ultra-High Performance Concrete (UHPC) improves the bearing capacity as well as the durability of structural concrete. This study aims to investigate the constituents of UHPC in both phases: aggregate and cementitious materials. The proper ratio of the m...
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Lei Zhang, Yang Liu, Jianneng Chen, Heng Zhou, Yunsheng Jiang, Junhua Tong and Lianlian Wu
To address the problems of the complex structure and single packing trajectory of a packing machine, a hybrid-driven, five-bar packing machine for same-point pickup and different points of release in unmanned plant factories was designed, and a GRA-C met...
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Shia-Chung Chen, Bi-Lin Tsai, Cheng-Chang Hsieh, Nien-Tien Cheng, En-Nien Shen and Ching-Te Feng
During an injection molding process, different parts of the molded material are subjected to various thermal?mechanical stresses, such as variable pressures, temperatures, and shear stresses. These variations form different pressure?temperature paths on ...
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