Performance of acicular grindable thermocouples for temperature measurements at sliding contacts

Nosko, Oleksii; Tarasiuk, Wojciech; Tsybrii, Yurii; Носко, А.Л.; Senatore, Adolfo; D’Urso, Veronica

doi:10.1016/j.measurement.2021.109641

Cited by 16 publications

(6 citation statements)

References 17 publications

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“…More recently, Nosko et al [ 8 ], to determine the temperature at a sliding surface, have developed an inverse heat conduction algorithm taking account of thermocouple thermal inertia [ 24 ]. This algorithm was applied in the case of brake material friction on steel.…”

Section: Resultsmentioning

confidence: 99%

Tribological Behavior of Friction Materials of a Disk-Brake Pad Braking System Affected by Structural Changes—A Review

Ilie

Cristescu

2022

Materials

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For road safety, braking system performance has become a very important requirement for car vehicle manufacturers and passengers. To this end, vehicle designers must understand the characteristics of tribological behavior and the causes of their variation in properties. This paper analyzes the tribological behavior (at friction and wear) of the most recent material couples of the braking disk-pad system affected by their structural change through the implications on the braking system stability, reliability and suitable characterizations. Obtaining information to design a very efficient braking system and assessing the influence of the material’s structural changes on its stability has become a necessity. This has been made possible by using several methods of testing a brake disk-pad couple on various devices intended for this purpose. The materials of the contact surface disk-brake pad with their tribological performance (friction, wear), especially the friction coefficient, present particular importance. Also, system components’ reliability, heat transfer and the noise and vibration of the brake disk-pad couple are vital to the correct operation of the braking system and should be given special attention. The test results obtained define the friction patterns and the influence of structural changes and other environmental factors that can be used in computer analysis.

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Section: Resultsmentioning

confidence: 99%

Tribological Behavior of Friction Materials of a Disk-Brake Pad Braking System Affected by Structural Changes—A Review

Ilie

Cristescu

2022

Materials

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“…Otherwise, the consequences will be rather severe. Stainless steel is also the base material most likely to encounter stress corrosion cracking, which would be beneficial for use in monitoring stream corrosion [54] and sliding contact temperature [55].…”

Section: Future Workmentioning

confidence: 99%

Experimental Investigation on the Corrosion Detectability of A36 Low Carbon Steel by the Method of Phased Array Corrosion Mapping

Tai,

Grzejda,

Sultan

et al. 2023

Materials

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Petrochemical plants use on-stream inspection often to detect and monitor the corrosion on the equipment and piping system. Compared to ultrasonic thickness gauging and pulse-echo A-scan, phased array corrosion mapping has better coverability and can scan a large area to detect general and localized corrosion. This paper’s objective is to obtain documentary evidence for the accuracy of corrosion detection from 30 °C to 250 °C on A36 low-carbon steel by carrying out simulation experiments every 10 °C step. A minimum of three sets of phased array corrosion mapping data in each temperature were collected to study and evaluate the detectability. The data evidence could enhance the confidence level of the plant’s end users in using phased array mapping in the future during inspections. The experiments were found to be insufficiently thorough despite addressing the initial concerns, leaving more area for discussion in further studies, such as expanding the investigation to thicker carbon steel, stainless steel, and wedge materials.

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“…Temperature control accuracy was closely controlled, with a tolerance of +-0.5°C, utilising thermocouples and a hand-held thermometer. Small size thermocouples provide accurate temperature measurement [26]. The target temperature range was so obtained and maintained throughout the experiment.…”

Section: Temperature Range Referencementioning

confidence: 99%

Ultrasonic Velocity and Attenuation of Low Carbon Steel at High Temperatures

Tai,

Sultan,

Łukaszewicz

et al. 2023

Preprint

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On-stream inspections are the most appropriate method for routine inspections during plant operation without going through production downtime. Ultrasonic inspection, one of the on-stream inspection methods, faces challenges when performed at high temperatures exceeding the recommended 52°C. This study aims to determine the ultrasonic velocity and attenuation with the known material grade, thickness, and temperatures by comparing theory calculation versus experiment with temperatures ranging between 30°C to 250°C on low carbon steel covering most petrochemical equipment material and working conditions. The theoretical analysis was to obtain Young's modulus, Poisson's ratio, and longitudinal velocity at different temperatures. The experiments validated the predicted results of ultrasonic change due to temperature increase and showed a maximum error of 3%. The experimental data of velocity and decibel change from the temperature range provide a reference for the future when dealing with unknown materials information on site that require a quick corrosion status determination.

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Performance of acicular grindable thermocouples for temperature measurements at sliding contacts

Cited by 16 publications

References 17 publications

Tribological Behavior of Friction Materials of a Disk-Brake Pad Braking System Affected by Structural Changes—A Review

Tribological Behavior of Friction Materials of a Disk-Brake Pad Braking System Affected by Structural Changes—A Review

Experimental Investigation on the Corrosion Detectability of A36 Low Carbon Steel by the Method of Phased Array Corrosion Mapping

Ultrasonic Velocity and Attenuation of Low Carbon Steel at High Temperatures

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