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Tao Wu, Xuegeng Chen, Limin Yan, Haixiao Gou, Ying Li, Jinhao Zhang and Xuanhe Fu
In order to design the structure and optimize the working parameters of a straw-crushing device, and to improve the qualified rate of straw-crushing length and the rate of straw fluidity, the influence of the airflow characteristics and pressure distribu...
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Jiaqi Chen, Jieyun Mao, Hongbo Shi and Xikun Wang
In order to study the characteristics of a bidirectional shaft tubular pump with S-type symmetric airfoil blades, a prototype model was designed, manufactured, and tested. The energy characteristics, cavitation characteristics, and runaway characteristic...
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Lun Zhou, Jingbin Li, Longpeng Ding, Huizhe Ding, Gaokun Shi and Daolin Li
The poor adaptability of existing harvesting machinery and low work efficiency is observed due to the low-level mechanized harvesting of Xinjiang jujube orchards. A mechanical floor-standing jujube picker was designed on the basis of the characteristics ...
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Lahouari Mammar, Yahiaoui Tayeb, Omar Ladjedel, Ondrej ?ikula
Pág. 31 - 42
This paper is divided into two parts; the first describes a CFD analysis of a gland packing labyrinth seals in 20 MW steam turbine in LNG plant using ANSYS CFX code as an isothermal simulation in fluid domain. The results of two turbulence models k-e and...
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Andriy Uzhelovskyi,Mikhail Spilnik,Valentyn Uzhelovskyi,Maxim Shaptala,Halyna Kravec,Oleh Dakhno
Pág. 51 - 56
The increase in the independence of motor-vehicle engines from the influence of external loading on the engine shaft due to the improvement of the dynamic parameters of the elements of the automatic control system of angular speed is investigated. Resear...
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Wenchuan Zhang, Junxing Wang, Chuangbing Zhou, Zongshi Dong and Zhao Zhou
A new type of vortex drop shaft without ventilation holes is proposed to resolve the problems associated with insufficient aeration, negative pressure (Unless otherwise specified, the pressure in this text is gauge pressure and time-averaged pressure) on...
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Roberta Padulano, Giuseppe Del Giudice and Armando Carravetta
An experimental campaign is undertaken in order to investigate the hydraulic features of a vertical drop shaft, also considering the influence of a venting system consisting of a coaxial vertical pipe, projecting within the drop shaft with different plun...
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Saeed Bahrami, Ali Ghaffari and Marcus Thern
Single-shaft gas turbines are sensitive to frequency changes which might affect the grid stability during large frequency drops. This paper presents a new control system that uses steam injection as an auxiliary input to improve the transient performance...
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Andrés Bravo Cuesta, Francisco Javier Gomez-Gil, Juan Vicente Martín Fraile, Jesús Ausín Rodríguez, Justo Ruiz Calvo and Jesús Peláez Vara
The aim of this study was to propose and evaluate a very small wind turbine (VSWT) that competes with commercial grid-connected VSWTs in terms of simplicity, robustness and price. Its main components are a squirrel-cage induction generator (SCIG) driven ...
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