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L. I. Vakulenko,D. M. Bolotova,S. V. Proydak,M. A. Grischenko,I. O. Vakulenko
Pág. 109 - 118
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Yu. Ya. Vodiannikov,S. O. Stoletov,S. V. Kukin,O. V. Hrechko
Pág. 128 - 132
The results of temperature measurements in the brake disc of a passenger car within the speed range of the emergency braking (40?120 km/h) are given in the article. The temperature measurements were made at the entrance, mid-range and exit of the disc fr...
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Koichiro Uto and Mitsuhiro Ebara
Shape-memory polymers have seen tremendous research efforts driven by the need for better drug carries and biomedical devices. In contrast to these advancements, fabrication of shape-memory particles which actuate at body temperature remains scarce. We d...
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Yu. Ya. Vodiannikov,O. V. Grechko,S. O. Stoletov
Pág. 31 - 40
Results of research of the brake disk heating temperature under the brake shoe lining during the regulating braking of a passenger train are presented. It is established that the greatest temperature in the disk arises at an exit of a brake shoe lining o...
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Wenjie Shen, Suofang Wang and Xiaodi Liang
Impellers are utilized to increase pressure to ensure that a radial pre-swirl system can provide sufficient cooling airflow to the turbine blades. In the open literature, the pressurization mechanism of the impellers was investigated. However, the effect...
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Chun-Ching Hsiao, Jia-Wai Jhang and An-Shen Siao
Pyroelectric harvesters use temperature fluctuations to generate electrical outputs. Solar radiation and waste heat are rich energy sources that can be harvested. Pyroelectric energy converters offer a novel and direct energy-conversion technology by tra...
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Vicente Rojas, Johnny Pancha, Vicente Romero, Jorge Lema
The objective of this study is to redesign a ventilated brake disc as a hyperventilated disc to compare the differences in temperature and brake distances; for this purpose, a monitoring system was installed in the vehicle which consisted of the implemen...
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B.A. LATORRE, M.E. RIOJA
Pág. 66 - 72
The effect of temperature and relative humidity (RH) on conidialgermination of Botrytis cinerea Pers. were studied in vitro. Conidia of two B. cinerea isolates, originallyisolated from grapes (Vitis vinifera L.), were obtained from 7- to 14 day old cultu...
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Juan V. Molner, Juan M. Soria, Rebeca Pérez-González and Xavier Sòria-Perpinyà
Water transparency, a crucial environmental indicator, was assessed during fieldwork via Secchi disk depth (ZSD) measurements. Three optical models (R490/R560, R490/R705, and R560/R705) were explored to establish a robust algorithm for ZSD estimation. Th...
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Hamid Reza Jafari, Ali Davoodi and Saman Hosseinpour
In this work, the corrosion behavior and surface reactivity of as-cast and heat-treated nickel aluminum bronze casting alloy (UNS C95800) in 3.5 wt% NaCl solution is investigated under stagnant and flow conditions. Increasing flow rate conditions are sim...
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Lucian Hanimann, Luca Mangani, Ernesto Casartelli, Elmar Gröschel and Magnus Fischer
The demand for increased turbomachinery performance, both, towards higher pressures and temperatures, leads to high thermal-loads of specific components and can critically affect mechanical integrity. In the particular case of rotating-disk configuration...
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A centrifugal carbon dioxide compressor is a kind of general machine with extensive applications. The geometry of the side chambers of the compressors can be determined by studying the rotor-stator cavity with centripetal through-flow. In this paper, num...
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Ning Zhang, Nannan Zhang, Xufeng Wei, Yue Zhang and Deyuan Li
Nickel chromium (NiCr) powders with different titanium diboride (TiB2) additions (20, 40 and 60 wt %) were prepared with a mechanical alloying method and then sprayed using an air plasma spraying technology. The microstructure and phase composite of the ...
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Ning Zhang, Nannan Zhang, Xufeng Wei, Yue Zhang and Deyuan Li
Nickel chromium (NiCr) powders with different titanium diboride (TiB2) additions (20, 40 and 60 wt %) were prepared with a mechanical alloying method and then sprayed using an air plasma spraying technology. The microstructure and phase composite of the ...
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Lakshmi Narayana Phaneendra Peri, Antonella Ingenito and Paolo Teofilatto
The goal of this paper is to investigate the aerodynamic and aerothermodynamic behavior of the Schiaparelli capsule after the deployment of a supersonic disk-gap-band (DGB) parachute during its re-entry phase into the Martian atmosphere. The novelty of t...
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Qingcai Zhang, Qinqin Wang, Xiaoming Tan and Jingzhou Zhang
A rim seal is often used to prevent the ingress of high-temperature gas into the turbine disk cavity and protect the turbine disk from damage. Based on the overlapping rim seal (Seal-A), this paper proposes two more composite sealing structures (Seal-B a...
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Liutao Gu, Weiping Zhang, Jun Feng and Zhihan Zhang
This paper proposes a novel gear-like disk resonator (GDR). The design, fabrication, and characterization of GDR are presented. In comparison with a ring-like disk resonator (RDR), a GDR replaces the circular rings with meander-shaped rings consisting of...
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Valeriy Nikolsky,Ivan Kuzyayev,Oleksandr Alieksandrov,Viktor Ved,Andrii Pugach,Vadim Yaris,Serhiy Ptitsyn,Valerii Lopatin
Pág. 15 - 23
The paper reports an analytical study into the influence of basic parameters of channels in the pulse disk devices on the efficiency of processes of heat exchange and hydrodynamics under the pulse effect on a heat-carrier. A procedure has been proposed f...
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Nicolás Pérez, Alvaro García, Enrique Riera and Lorena Pardo
(Bi0.5Na0.5)0.94Ba0.06TiO3 dense ceramics were obtained from autocombustion sol-gel synthesized nanopowders and sintered at 1050 °C for 1?2 h for the study of the electromechanical anisotropy. Measurement of the complex impedance spectrum was carried out...
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Mahdi Abkar and Fernando Porté-Agel
Large-eddy simulation is used to study the influence of free-atmosphere stratification on the structure of atmospheric boundary-layer flow inside and above very large wind farms, as well as the power extracted by the wind turbines. In the simulations, tu...
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