... for current selection in precision temperature measurements at metrological reference points. Design/methodology/approach Through systematic experimental research, three distinct thermistor thermometers were evaluated at two International Temperature Scale fixed points: water triple point (0.01 °C...

... can significantly suppress inter-core crosstalk (XT). Then, the designed fiber’s intramodal Brillouin characteristics, such as Brillouin frequency shift (BFS) and Brillouin gain spectrum (BGS), are studied. Finally, the temperature, strain and sample refractive index (SRI) sensing performance...

...Lakshmi Devaraj; Thaarini S.; Athish R.R.; Vallimanalan Ashokan Purpose This study aims to provide a comprehensive overview of thin-film temperature sensors (TTS), focusing on the interplay between material properties and fabrication techniques. It evaluates the current state of the art...

... temperature sensing ability of a novel CS-PEG-based hydrogel and define its sensing span. Design/methodology/approach This study includes synthesis of CS and PEG-based hydrogel samples by first performing dissolution of both constituents, respectively, and then adding Glutaraldehyde as the cross-linking...

... on temperature because of their silicon property and the effect of temperature on error coefficients should also be considered for compensation. This paper aims to present a field calibration method in which the accelerometer is placed in different positions without any accurate equipment in a few minutes...

... of measurement result errors was determined. Igor S. Nadezhdin can be contacted at: kun9@list.ru 11 10 2018 02 02 2019 17 03 2019 © Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only Temperature Sensor Calibration algorithm Error...

...Yage Zhan; Ziyang Shen; Zeyu Sun; Qiao Yu; Hong Liu; Yong Kong Purpose The purpose of this paper is to theoretically analyze and experimentally demonstrate the investigation of and present a kind of sensing system for monitoring simultaneous temperature and strain measurements based on highly...

...Yage Zhan; Kan Gu; Hua Wu; Jun Luo Purpose The on‐line concentration and temperature measurement of solutions is of great interest as a means of quality production control in many industrial processes, such as in food service industry, pharmaceuticals industry, chemical industry and environmental...

..., temperature, flames and combustion products and covers residential and industrial uses, together with a short discussion of wildfire detection methods. Findings This shows that a multitude of different sensing techniques are used to detect fires and no single method is universally applicable...

...Jiang Qi Purpose The purpose of this paper is to compare the sensing characteristics of uniform fiber Bragg grating (FBG) and tilted fiber Bragg grating (TFBG) by presenting a detailed research review. Temperature, axial strain, bending, vibration and refractive index measurands of FBG and TFBG...

..., principally accelerometers and pressure, temperature and displacement sensors, used in environments characterised by elevated temperatures, radiation and high shock and vibration levels. Findings The paper shows that a range of different strategies is employed to allow sensors to operate in extreme...

...Alfin Leo; Gino Rinaldi; Ion Stiharu; Rama Bhat Purpose It is currently difficult to measure temperature and pressure in harsh environments. Such measurements are limited by either the ability of the sensing element or the associated electrical wiring to withstand the operating environment...

... © Emerald Group Publishing Limited 2006 --> Temperature Infrared devices Optris hand held temperature measurement technology Keywords: Temperature, Infrared devices The Optris® LaserSight enables engineers to measure the surface temperature of objects down to 1mm...

...Robert W. Bogue Purpose To describe a new technique, developed in Korea, which extends the operational length of fibre Bragg grating strain and temperature sensors to approximately 50 km. It is based on distributed Raman amplification. Design/methodology/approach – The system uses a single pump...

...M. McSherry; C. Fitzpatrick; E. Lewis Purpose There are various temperature measuring systems presented in the literature and on the market today. Over the past number of years a range of luminescent‐based optical fibre sensors have been reported and developed which include fluorescence...

... reducing both manufacturing and component costs. Findings – This design has led to lower costs and allows up to 100 strain or temperature sensors to be incorporated into a single channel system, rather than around 4, which is the norm for conventional WDM systems. The company is now in production and has...

...Clive Kerr; Paul Ivey Fundamentally, it is advantageous to operate an aeroengine's thermodynamic cycle at as high a turbine entry temperature as practical for the current metallurgical limits of the turbine blades in order to achieve peak cycle efficiency and thus lower specific fuel consumption...

...Jinu Paul; Zhao Liping; Bryan Ngoi; Fang Zhong Ping Polymeric coatings and packaging are often used to enhance the temperature sensitivity of fiber Bragg grating temperature sensors. The high thermal expansion coefficient of the polymer enhances the thermal sensitivity by improving the wavelength...

...He Jin; Chen Zhaoyang; Lin Jiang; Dai Jingmin This paper describes a new method designed for a quartz tuning‐fork temperature sensor. This sensor is designed with a new cut ZYtw(115°/15°) and it is shown that this worked best in flexural vibration mode. The way for raising signal to noise ratio...

...Robert W. Bogue Describes the use of a distributed optical temperature sensor, based on fibre Bragg grating technology, to monitor the temperature distribution of helium within a prototype airship. © MCB UP Limited 2003 Temperature Sensors Optics Several types of optical fibre...