Basic Experimental Study on Rubber Materials for Vibration Damping in Vehicles

2016 ◽  
Vol 693 ◽  
pp. 292-296
Author(s):  
Cong Ling Zhu ◽  
J. Xu ◽  
S. Li ◽  
C.H. Zhu

In the constant-temperature indoor environment, the static principles of rubber materials for vibration damping in vehicles and the load and application scope of the experiments are studied in this paper. Basic experiments are carried out for common rubber materials in vehicle system by using advanced experimental equipment.

2010 ◽  
Vol E93-B (3) ◽  
pp. 679-684 ◽  
Author(s):  
Lin WANG ◽  
Qiang CHEN ◽  
Qiaowei YUAN ◽  
Kunio SAWAYA

1972 ◽  
Vol 94 (1) ◽  
pp. 17-22 ◽  
Author(s):  
K. Hollasch ◽  
B. Gebhart

Calibration of hot-wire probes operated in a constant-temperature mode in water at low velocities is discussed. Operation under circumstances where natural convection effects are important is considered. A method of calibrating a constant-temperature hot-wire probe for variations in fluid temperature is presented. The method consists of varying wire overheat during calibration at a constant fluid temperature. A relation is derived analytically relating anemometer output with a variable overheat resistance to anemometer output with fluid temperature variations. An experimental study to verify the analysis is presented.


2017 ◽  
Vol 105 ◽  
pp. 869-874 ◽  
Author(s):  
Zhang Heng ◽  
Li Mingjie ◽  
Chen Haiping ◽  
Ye Chentao

Author(s):  
Wei Wei ◽  
ZhiYi Li ◽  
Fengxia Liu ◽  
Zhijun Liu

Impinging streams technology has been widely used in many applications in recent years because of its enhancement to the heat and mass transfer between phases. In this paper, in order to investigate the influences of the impinging distance and flow rate on the characters of the flow field, gas-gas impinging streams flow fields are tested experimentally and analyze qualitatively with particle image velocimetry (PIV). The experimental equipment consists of two opposite nozzles which are the same axis. A PIV system is used to measure the characters of the 2-D flow field between two opposite nozzles. The gas is delivered by a compressor through two opposite jets which could be seeded with oil droplets as tracer particles. The effects of the flow rate and impinging distance on the velocity fields of impinging zone are investigated in detail. As the flow rate increases from 0.2 m3/h to 0.8 m3/h, the width of impinging zone increases from 0.25 to 0.5. However, the range of impinging zone does not change significantly as the impinging distance increases from 61mm to 94mm. The results indicate that the PIV technique is an effective method to measure and analyze the characters of impinging streams.


2021 ◽  
Author(s):  
Zheng Gao ◽  
Chong Chen

In order to investigate the desorption characteristics of methane adsorption in coal under positive pressure conditions, methane adsorption and successive desorption experiments of anthracite coal under positive pressure conditions were conducted on the developed experimental equipment, and the experimental data were analyzed. In the process of desorption of coal samples with the same adsorption equilibrium pressure and the same pressure drop gradient, the phase desorption rate decreased with the increase of pressure, and the positive pressure environment had a significant inhibitory effect on the desorption of methane in coal.


2014 ◽  
Vol 557 ◽  
pp. 012005 ◽  
Author(s):  
S-E Adami ◽  
P P Proynov ◽  
B H Stark ◽  
G S Hilton ◽  
I J Craddock

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