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Relevant bibliographies by topics / Trace moisture sensor

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Academic literature on the topic 'Trace moisture sensor'

Author: Grafiati

Published: 3 June 2025

Last updated: 22 June 2025

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Journal articles on the topic "Trace moisture sensor"

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Ghara, Dilip Kumar, Debdulal Saha, and Kamalendu Sengupta. "Implementation of linear trace moisture sensor by nano porous thin film moisture sensor and NLAmp." International Journal on Smart Sensing and Intelligent Systems 1, no. 4 (2008): 955–69. http://dx.doi.org/10.21307/ijssis-2017-330.

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Miho, Saori, Takuma Fumoto, Yuta Mise, et al. "Development of highly sensitive fluorescent sensor and fluorescent sensor-doped polymer films for trace amounts of water based on photo-induced electron transfer." Materials Advances 2, no. 23 (2021): 7662–70. http://dx.doi.org/10.1039/d1ma00881a.

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A highly sensitive fluorescent sensor for trace amounts of water based on photo-induced electron transfer (PET) has been developed and the PET-type fluorescent sensor-doped polymer films for moisture and water droplets were prepared.

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Saha, Debdulal, and K. Sengupta. "Trace moisture detection in oil filled transformer by ceramic sensor." IOP Conference Series: Materials Science and Engineering 73 (February 17, 2015): 012022. http://dx.doi.org/10.1088/1757-899x/73/1/012022.

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Kumar, Jitender, Vinod Kumar, Vinay Kumar Singh, Fahim Fahim, and A. T. Nimal. "Temperature based rapid SAW humidity sensor." Defence Science Journal 72, no. 3 (2022): 402–8. http://dx.doi.org/10.14429/dsj.72.17280.

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This paper investigates the effect of temperature on the sensitivity of a thin-film Polyvinyl alcohol (PVA) based SAW humidity sensor. A PVA coated 433.92 MHz SAW resonator-based humidity sensor was fabricated and tested with different levels of humidity (0.5 to 95% RH) at different operating temperatures (10°C to 70°C). The sensor response was recorded through in-house developed data acquisition software and it was observed that PVA thin film coated SAW sensor shows the maximum sensitivity for trace level moisture detection at a lower temperature (≤10 °C). The sensor sensitivity has been recorded >400Hz/% RH for trace level detection (0.5–30% RH). It has been observed that sensor sensitivity deteriorates when temperature increased to 40 °C from 10 °C. The sensor has a fast response (~1s) and recovery time (<3s) for trace level humidity detection. The proposed sensor can be used in many applications, including fabrication of electronic devices, IC fabrication, pharmaceutical, textile industries, food processing, semiconductor device fabrication, and packaging.

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Hagihara, Satoshi, Toshihiro Tsuji, Toru Oizumi, et al. "Highly sensitive trace moisture ball surface acoustic wave sensor using SiOxfilm." Japanese Journal of Applied Physics 53, no. 7S (2014): 07KD08. http://dx.doi.org/10.7567/jjap.53.07kd08.

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Abe, H., K. Hashiguchi, D. Lisak, S. Honda, T. Miyake, and H. Shimizu. "A miniaturized trace-moisture sensor based on cavity ring-down spectroscopy." Sensors and Actuators A: Physical 320 (April 2021): 112559. http://dx.doi.org/10.1016/j.sna.2021.112559.

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Manickam, V., E. Prabhu, V. Jayaraman, K. I. Gnanasekar, T. Gnanasekaran, and K. S. Nagaraja. "Electrolytic sensor for trace level determination of moisture in gas streams." Measurement 43, no. 10 (2010): 1636–43. http://dx.doi.org/10.1016/j.measurement.2010.09.023.

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Shaporina, N. A., and E. A. Sayb. "Using Decagon EC-5sensors for monitoring soil moisture." Почвы и окружающая среда 4, no. 3 (2021): 1–9. http://dx.doi.org/10.31251/pos.v4i3.153.

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The aim of the study. To assess the possibilities of using the Decagon EC-5 sensor in research practice, especially under the conditions of its stationary installation; and to study with its help the dynamics of soil profile moistening and moisture migration under different weather conditions. Location and time of the study. The study was carried out on the territory of the Ust-Kamensky (forest-steppe) research station of the Institute of Soil Science and Agrochemistry of the Siberian Branch of the Russian Academy of Sciences (55.005507 N, 83.858635 E). The object of the study was the dark gray forest soil (Luvic Greyzemic Phaeozem). Five Decagon EC-5 sensors were installed at 9, 13, 18, 22 and 27cm depths in a small (30cm deep) soil pit and connected to the Em50 recorder. The necessary calibration was carried out beforehand. The sensors functioned from June 13 to July 7, 2017. Main results. The study showed that this device is suitable for a wide range of applications. According to the sensor readings, it was possible to trace the migration of moisture within the soil profile, as well as to differentiate it into gravitational and capillary water, as well as to establish the fact of precipitation with an accuracy of an hour and to calculate the precipitated amount. Statistical analysis of the obtained data showed low values of data variance and the coefficient of variation, which indicated high data homogeneity. The use of these sensors can improve the traditional flood method for determining the maximum soil water holding capacity. Moreover, detailed recording of soil moisture, provided by Decagon EC-5 sensors, in combination with Thermochron sensors for soil temperature recording, allows to study quantitative indicators of thermal gradient moisture flux at a new level. Conclusions. The study showed that Decagon EC-5 sensors comply with their technical specification and have good prospects for usage both in research and agricultural production. Provided its preliminary calibration and producing the calibration curves for the studied soils, the sensors allow quick and accurate measurement of the soil volumetric moisture content. The frequency and rate of sensor readings takes research on the dynamics and migration of moisture in soils to an entirely new level.

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Wei, Jian, John Pillion, and Chi Hoang. "In-Line Moisture Monitoring in Semiconductor Process Gases by a Reactive-Metal-Coated Quartz Crystal Microbalance." Journal of the IEST 40, no. 2 (1997): 43–48. http://dx.doi.org/10.17764/jiet.2.40.2.k3643t368781l856.

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A new in-line sensor for trace moisture monitoring has been developed based on a piezoelectric quartz crystal microbalance (QCM) coated with a reactive metal thin film. The properties of the metal coating and QCM allow the sensor to have fast response and fast recovery to moisture in the process gas stream. The properties of the metal-coated QCM also allow the sensor to be compact so it can be in-line in the gas distribution system and readily integrated into the process tools. This paper presents the principle of moisture detection using this technology. The experimental results of accuracy, limit of detection (&lt; 1 ppb), and error analysis of this sensor in parallel with atmospheric pressure ionization mass spectrometry (APIMS) are presented. The experimental setup and procedures are described. The effect of an upstream gas purifier on its rate of response was also studied and the results are presented and discussed. The applications of this technology in semiconductor processing are briefly mentioned.

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Mistry, Kalyan Kumar, Debdulal Saha, and Kamalendu Sengupta. "Sol–gel processed Al2O3 thick film template as sensitive capacitive trace moisture sensor." Sensors and Actuators B: Chemical 106, no. 1 (2005): 258–62. http://dx.doi.org/10.1016/j.snb.2004.08.012.

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Dissertations / Theses on the topic "Trace moisture sensor"

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Saha, Debdulal. "Development of Trace Moisture Sensors using Micro/Nano Porous Ceramics Material." Thesis, 2010. http://cgcri.csircentral.net/3233/.

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Book chapters on the topic "Trace moisture sensor"

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Akmal, Naim, and Yining Zhang. "Trace-Moisture Sensor Based on the Electrolytic Technique." In ACS Symposium Series. American Chemical Society, 1998. http://dx.doi.org/10.1021/bk-1998-0690.ch016.

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Tsukahara, Yusuke, Nobuo Takeda, Kazushi Yamanaka, and Shingo Akao. "The Interaction Between a Proton and the Atomic Network in Amorphous Silica Glass Made a Highly Sensitive Trace Moisture Sensor." In Advances in Electrochemical Sciences and Engineering. Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527807215.ch8.

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Gupta, Saumya, Abhishek Narayan Gupta, and Kirti Pal. "An Artificial Eye for Blind." In SCRS Proceedings of International Conference of Undergraduate Students, 2023rd ed. Soft Computing Research Society, 2023. http://dx.doi.org/10.52458/978-81-95502-01-1-16.

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A blind person always remain dependent on assistant to move from one place to another. If they move by themselves they can harm themselves because they are not able to identify the obstacle in their path. To make them independent a smart stick is proposed in this paper. This stick makes the blind person independent. A smart stick consists of different sensors to identify the obstacle. A speaker and buzzer to give the output in recorded voice after sensing the obstacle. In addition smart stick also consists of GPS and GSM module to navigate the path. The GPS module also plays a major role as it provides safe and precise navigation to the users. It also help relatives to track the blind person. The paper describes the different component and working of smart stick. The Smart Blind Stick automatically detects the obstacle in front of the person by use of sensors present in the systems, it also incorporates moisture detection at its bottom in order to detect the moisture of the soil or ground so that the person will be aware if it’s feasible to walk on that particular ground

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Denih, Asep. "Utilization of Remote Sensing Technology and IoT for Forest Condition Monitoring and Environmental Analysis." In Forest Science - Advances Towards Sustainable Development and Climate Resilience [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1008985.

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Forest monitoring is essential for environmental conservation and resource management, addressing deforestation, climate change, illegal activities, and natural disasters. This book chapter explores the application of remote sensing technology and the Internet of Things (IoT) for accurate, efficient, and sustainable forest condition monitoring. Remote sensing technologies, such as Landsat, MODIS, and Sentinel, track land cover changes, vegetation health, and illegal activities, while vegetation indices like NDVI and EVI assess ecosystem conditions. IoT technology, with real-time sensors measuring temperature, humidity, soil moisture, and air quality, provides continuous data for early risk detection. This integrated approach combines large-scale data collection with real-time analysis, empowering stakeholders to address forest challenges effectively. The integration of IoT with Geographic Information Systems (GIS) enhances spatial analysis, supporting informed decision-making for forest conservation. By adopting these innovations, forest ecosystems can be better preserved, ensuring sustainability and resilience against environmental threats.

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Conference papers on the topic "Trace moisture sensor"

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Khan, Anwar Ulla, Tarikul Islam, and Jamil Akhtar. "A differential interface for trace moisture sensor." In 2015 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES). IEEE, 2015. http://dx.doi.org/10.1109/spices.2015.7091527.

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Tao, Shiquan, Joseph C. Fanguy, Xuemei Hu, and Qiangu Yan. "Fiber Optic Sensors for In Situ Real-Time Monitoring PEM Fuel Cell Operation." In ASME 2005 3rd International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2005. http://dx.doi.org/10.1115/fuelcell2005-74100.

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Fiber optic sensors for monitoring moisture, temperature and trace hydrogen peroxide have been developed in DIAL/MSU. The moisture sensor responds to moisture changes from RH = 4% to RH < 95% in the tested range. The temperature sensor can sense temperature from room temperature 22 °C to 90 °C in the tested range. The hydrogen peroxide sensor can detect/monitor hydrogen peroxide in an aqueous solution down to 10 ppb. Techniques have been developed for deploying the fiber optic sensors to the gas channels and the Nafion membrane of a PEM fuel, cell. These sensors will be tested for in situ, real-time monitoring of the operation of a PEM fuel cell with a fuel cell test system developed by CAVS/MSU. The principle of the sensors and test results of the sensors will be presented.

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Dhanekar, S., P. M. Z. Hasan, S. Hussain, et al. "Study of cross- sensitivity of porous alumina based trace moisture sensor in dry gases." In 2008 3rd International Conference on Sensing Technology (ICST 2008). IEEE, 2008. http://dx.doi.org/10.1109/icsenst.2008.4757187.

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Kumar, Lokesh, Shailesh Kumar, S. A. Khan та Tariqul Islam. "Electrical characterization of γ-Al2O3 thin film parallel plate capacitive sensor for trace moisture detection". У 16th International Workshop on Physics of Semiconductor Devices, редактори Monica Katiyar, B. Mazhari та Y. N. Mohapatra. SPIE, 2012. http://dx.doi.org/10.1117/12.926779.

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Tomaraei, Golnaz, Moataz Abdulhafez, and Mostafa Bedewy. "Unexpectedly High Yields in Chemical Vapor Deposition of Carbon Nanotubes Based on Reactor Wall Thermochemical History." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85633.

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Abstract While reactor wall preconditioning was previously shown to influence the growth of carbon nanotubes (CNTs) by chemical vapor deposition (CVD), it was previously only limited to studying the accumulating carbon deposits over the history of a large number of growth runs. However, the effect of leaving the reactor walls for an extended period of time between growth runs was not previously systematically studied. Here, we combine experimental measurements with a mathematical model to investigate the effect of thermochemical history of reactor walls on growth yield of vertically aligned CNT forests. Importantly, we demonstrate unexpectedly high CNT yield, exceeding one-order-of-magnitude taller forests, by increasing the interim period between runs (IPBR). We explain the results based on previously unexplored process sensitivity to trace amounts of oxygen-containing species in the reactor. In particular, uncontrolled amounts of water vapor desorbing from reactor walls during growth are modelled in this work. Our modeling results show the effect of IPBR on the outgassing dynamics revealing the underlying mechanism of generating growth promoting molecules during growth. By installing a new humidity sensor in our multizone rapid thermal CVD reactor, we are able to uniquely correlate the amount of moisture within the reactor to real-time measurements of growth kinetics, as well as ex situ characterization of CNT alignment and atomic defects. Our findings enable a scientifically grounded approach toward both boosting growth yield and improving its consistency by reducing run-to-run variations. Accordingly, engineered growth recipes can be envisioned to leverage this effect for improving manufacturing process scalability and robustness.

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Chitikeshi, Vyshali, Ajay Mahajan, Sanjeevi Chitikeshi, Ravinder Gupta, and Marco Schoen. "An Intelligent Foot Monitoring System for Diabetic Patients to Prevent Foot Ulcerations." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13817.

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Elevated plantar pressure plays a major role in foot problems in diabetic patients. High pressures interrupt arterial blood flow, which is further compounded by the fact that diabetic patients lose sensory feedback from their feet, hence are not able to change their stance leading to unnatural pressure points. This can lead to dermal ulcerations, necrosis, and ultimately to partial or total amputation of the foot. This paper presents a preliminary design of an intelligent shoe-insert that automatically monitors critical foot parameters in diabetic patients. The objective is to collect information on plantar pressure, temperature and moisture and come up with a system that would help in the prevention of foot ulcerations. This would be accomplished by keeping track of these parameters and sounding alarms when critical thresholds may be reached. This paper describes a comprehensive monitoring system with sensing, A/D, data storage, interpretation, transmission and alarm sounding capabilities in a single unit.

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Lisabeth, H. P., N. Schmerr, V. Lekic, W. Zhu, M. Siegler, and R. Ghent. "The Effect of Moisture Content on the Acoustic Properties of Regolith Analogs." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0162.

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ABSTRACT Successful location of icy deposits on the moon and other planets requires detailed knowledge of the physical properties of both icy and ice-free potential reservoir materials in order to design geophysical equipment, implement surveys, and interpret data. In support of this goal, we have conducted acoustic characterization experiments to measure the physical properties of dry and icy regolith simulant using synchrotron x-ray transmission microtomography and ultrasonic acoustic sensing as a function of temperature. Measurements were performed on a porphyritic basaltic glass from a cinder cone. Synchrotron x-ray microtomography was performed at beamline 8.3.2 at the Advanced Light Source (ALS). Ultrasonic measurements were made on an ultrasonic pulse-transmission system consisting of an upright cylindrical acrylic column outfitted with ultrasonic and temperature sensors. Samples were cooled to −35°C and allowed to equilibrate. Ultrasonic measurements were then taken as the samples were slowly warmed. Waveforms from experiments were then analyzed to calculate changes in acoustic velocity and attenuation as a function of temperature. Oven dried samples show only slight variations in velocity with temperature, while slightly wet samples show significant variations, suggesting water on grain surfaces plays a significant role in the physical behavior of the samples. Further work is needed to address the temperature dependence of truly dry materials versus those with adsorbed volatiles; however, these initial results suggest that temperature-dependent acoustic measurements may be useful in the location of volatiles in regolith. INTRODUCTION There has been evidence for trace amounts of water trapped in lunar minerals for at least a decade (Saal et al., 2008), but more recent studies have identified signs that there may be free water stored as ice within the regolith (Schultz et al., 2010). Evidence for water in the lunar regolith from remote sensing shows that the lunar south pole in particular has a significant water resource (Sanin et al., 2017). Recent spectroscopic data suggest that there is between 100 and 400 mg/g of water in the regolith, much more than ever assumed (Honniball et al., 2020). The challenge will be to locate exactly where it sits in the regolith. Planetary science has always been driven by remote sensing, but as the US, other countries and private corporations ramp up robotic and manned missions to the moon in the next decade, direct, experimental measurement of the properties of icy regolith are needed.

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Reports on the topic "Trace moisture sensor"

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Nestleroth. L52298 Augmenting MFL Tools With Sensors that Assess Coating Condition. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010396.

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External coatings are routinely used to protect transmission pipelines from corrosion; however, coatings may degrade or disbond over time enabling corrosion to occur. Transmission pipeline operators often use magnetic flux leakage (MFL) in-line inspection tools to detect metal loss corrosion defects. Rather than finding the cause of a problem, failure of the coating within a corrosive environment, MFL corrosion surveys only find the result of the problem, corrosion defects that may permanently alter the pressure carrying capacity of the pipeline. Stress corrosion cracking (SCC) can be detected using in-line inspection (ILI) technology, but the availability of tools is limited and the cost of inspection is high compared to MFL inspection. SCC almost always occurs at coating faults; direct coating assessment could indicate future problems that could degrade the serviceability of the pipeline. In this project, a new sensor was developed to assess external coating that could work with currently available ILI tools for minimal additional cost to perform the inspection. The sensors, electromagnetic acoustic transducers (EMATs), generate ultrasonic waves that are guided by the pipe material around the circumference of the pipe. The coating material and adherence can influence the propagation of the ultrasonic waves; changes in ultrasonic signal features were attributed to coating faults. This development used modeling and experiments to establish a more optimal configuration for coating assessment. A multiple feature approach was used. A commonly used feature, signal amplitude, provided good sensitivity to coating condition but was influenced by inspection variables. One unique feature identified in this development is arrival time of the ultrasonic wave. For the wave type and frequency selected, the wave velocity was different for bare and coated pipe. Therefore, disbonded or missing coating can be detected by monitoring arrival time of the ultrasonic wave, a feature that is amplitude independent. Another feature for assessing coating, absorption of selective frequencies, was also demonstrated. Coating assessment capability was experimentally demonstrated using a prototype EMAT ILI tool. All three detection features were shown to perform well in an ILI environment as demonstrated at Battelle"s Pipeline Simulation Facility and BJ Inspection Services pull rigs. Improvement to the prototype occurred between each test; the most significant improvement was the design and construction of a novel set of thick-trace transmitting and receiving Printed Circuit Board (PCB) EMAT coils. Implementation variables such as moisture and soil loading were shown to have a minimal influence on results.

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