Dynamic Characteristic of an Electrochemical Cell with Gauze Electrodes in Convective Diffusion Conditions

Козлов, В. А.; Safonov, M. V.

doi:10.1023/b:ruel.0000023941.30845.03

Cited by 36 publications

(16 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…According to the data given in [10], trans behaves differently depending on frequency range. It grows up ∼ from 0 to approximately ∼0.1 Hz, and then it does not depend on frequency up to ∼10 Hz and goes down to ∼1/ at higher ones.…”

Section: Methodsmentioning

confidence: 99%

“…As observed in the experiments presented at [11], the PSD of the convective noise in the transducer output current at the frequencies above 1 Hz has approximately ∼ 1/ behavior. Taking into account, according to [10], that in this range the transducer transfer function trans is frequency independent we obtain the following formula: Only little is known about the parameter dependence on the geometry of the signal converting MET cell and here it is considered as a fitting parameter of a model.…”

Section: Theoretical Modelmentioning

confidence: 99%

See 1 more Smart Citation

Self-Noise of the MET Angular Motion Seismic Sensors

2015

View full text Add to dashboard Cite

Interest to angular motion seismic sensors is generated by an expectation that direct measurement of the rotations, associated with seismic signals, would allow obtaining more detailed and accurate information from them. Due to the seismic signals low intensity a self-noise of the sensors is one of the most crucial parameters, characterizing their performance. In seismic applications the molecular-electronic transfer (MET) technology is considered as one of the most promising technologies for the rotations measurements. In this research we have developed a noise model for the MET angular sensors. The experimental part of the research which fully agrees with theoretical data includes the instrument self-noise measurement in quite locations. Based on the modelling we have revealed the directions of further research to improve the MET angular sensors performance.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Theoretical Modelmentioning

confidence: 99%

Self-Noise of the MET Angular Motion Seismic Sensors

2015

View full text Add to dashboard Cite

show abstract

“…Angular acceleration plays a significant role in vibration detection, rotation controlling and navigation [ 1 , 2 ]. To achieve reliable and accurate direct angular acceleration measurements, different physical principles and technologies have been used: including superconductivity [ 3 ], floated-fly-wheel [ 4 ], MEMS [ 5 ], heat transfer [ 6 , 7 ], electromagnetics [ 8 ] and fluidics [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ]. The fluid-based design demonstrates an excellent balance in accuracy, bandwidth, measurement range, volume and insensitivity to linear acceleration [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Fluid in a Porous Transducer-Based Angular Accelerometer

Cheng

Wang

et al. 2017

Sensors

View full text Add to dashboard Cite

This paper presents a theoretical model of the dynamics of liquid flow in an angular accelerometer comprising a porous transducer in a circular tube of liquid. Wave speed and dynamic permeability of the transducer are considered to describe the relation between angular acceleration and the differential pressure on the transducer. The permeability and streaming potential coupling coefficient of the transducer are determined in the experiments, and special prototypes are utilized to validate the theoretical model in both the frequency and time domains. The model is applied to analyze the influence of structural parameters on the frequency response and the transient response of the fluidic system. It is shown that the radius of the circular tube and the wave speed affect the low frequency gain, as well as the bandwidth of the sensor. The hydrodynamic resistance of the transducer and the cross-section radius of the circular tube can be used to control the transient performance.The proposed model provides the basic techniques to achieve the optimization of the angular accelerometer together with the methodology to control the wave speed and the hydrodynamic resistance of the transducer.

show abstract

“…Four-electrode electrochemical cells comprised of two symmetrically placed anodes and cathodes and filled up with a potassium iodide-iodine aqueous electrolyte have been used as the sensing element in motion sensors [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. In such electrochemical cells, to provide enough electric conductivity in the bulk electrolyte so that the electric potential drop is confined within the thin electrical double layer (EDL) right next to the electrodes, the iodide concentration is usually much larger than that of the tri-iodide, which serves as the active ion determining the limiting current at the cathode.…”

Section: Introductionmentioning

confidence: 99%