Relevant bibliographies by topics / Gas temperature measurement

Academic literature on the topic 'Gas temperature measurement'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Gas temperature measurement"

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Lee, Jong Ho, Chung Hwan Jeon, Jae Won Hahn, Chul Woong Park, Yeoung Min Han, Soo Seok Yang, Dae Sung Lee, and Young June Chang. "CARS temperature measurement in a Liquid Kerosene fueled Gas Turbine Combustor Sector Rigs(Measurement, Temperature)." Proceedings of the International symposium on diagnostics and modeling of combustion in internal combustion engines 2004.6 (2004): 13–19. http://dx.doi.org/10.1299/jmsesdm.2004.6.13.

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Mamat, Sarizam Bin, Titinan Methong, Shinichi Tashiro, and Manabu Tanaka. "Droplet Temperature Measurement in Metal Inert Gas Welding Process by Using Two Color Temperature Measurement Method." QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY 35, no. 2 (2017): 160s—164s. http://dx.doi.org/10.2207/qjjws.35.160s.

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Kobayashi, Shigemi, Yasuo Moriyoshi, and Yoshiteru Enomoto. "Analysis of Auto-Ignition Induced in a Constant Volume Vessel by Local Gas Temperature Measurement and Visualization(Measurement, Temperature)." Proceedings of the International symposium on diagnostics and modeling of combustion in internal combustion engines 2004.6 (2004): 21–26. http://dx.doi.org/10.1299/jmsesdm.2004.6.21.

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Ruffino, Paolo, and Marino di Marzo. "Temperature and Volumetric Fraction Measurements in a Hot Gas Laden With Water Droplets." Journal of Heat Transfer 125, no. 2 (March 21, 2003): 356–64. http://dx.doi.org/10.1115/1.1561453.

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Two temperatures can be detected in a hot gas laden with water droplets. The lower one is the temperature read by a sensor immersed in the flow. This measurement is affected by significant evaporative cooling resulting in readings much below the real gas temperature. The higher one is the temperature of the gas. The difference between these two temperatures is proportional to the water volumetric fraction in the flow. On this basis, a new technique for the measurement of the water volumetric fraction is proposed. The results are compared with a conventional measurement technique based on optical methods. A novel approach to the gas temperature measurement is also introduced. The sensing device is kept at temperatures exceeding the Leidenfrost transition and therefore it is insensitive to the presence of the water droplets. Independent measurement techniques developed at the Evaporative Cooling Sensor Accuracy Test (ECSAT) facility provide the data to validate the measurements obtained with the Above Leidenfrost Temperature and Evaporative Cooling (ALTEC) sensor.
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Hubing, G. F. "THE MEASUREMENT OF GAS TEMPERATURE." Journal of the American Society for Naval Engineers 58, no. 4 (March 18, 2009): 573–85. http://dx.doi.org/10.1111/j.1559-3584.1946.tb02713.x.

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Kotarski, Mateusz, and Janusz Smulko. "Fluctuation Enhanced Gas Sensing at Modulated Temperature of Gas Sensor." International Journal of Measurement Technologies and Instrumentation Engineering 2, no. 2 (April 2012): 41–52. http://dx.doi.org/10.4018/ijmtie.2012040104.

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Taguchi gas sensors are commonly used to measure gas concentration. The standard detection method utilizes only changes of sensor DC resistance to determine various gases concentration. Unfortunately, such technique leads to false results due to cross-sensitivity of gas sensors at presence of other gases. Such adverse effects can be reduced by applying fluctuation enhanced sensing and temperature modulation of the sensor what allows to gather more information about ambient atmosphere than the sensor DC resistance only. The measurement setup of voltage fluctuations across the gas sensor as well as the selected measurements results of DC resistance under temperature modulation are presented. New indicators of gas detection have been proposed which utilize voltage fluctuations and DC resistance measurements at two selected different temperatures of the gas sensor.
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ZIPF, MATTHIAS, JOCHEN MANARA, THOMAS STARK, MARIACARLA ARDUINI, HANS-PETER EBERT, and JÜRGEN HARTMANN. "Identification of wavelength regions for non-contact temperature measurement of combustion gases at high temperatures and high pressures." High Temperatures-High Pressures 49, no. 3 (2020): 241–60. http://dx.doi.org/10.32908/hthp.v49.805.

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Stationary gas turbines are still an important part of today’s power supply. With increasing temperature of the hot combustion gas inside a gas turbine, the efficiency factor of the turbine increases. For this reason, it is intended to operate turbines at the highest possible gas temperature. Therefore, in the combustion chamber and especially at the position of the first stage guide vanes the gas temperature needs to be measured reliably. To determine the gas temperature, one promising approach is the application of a non-contact measurement method using a radiation thermometer. A radiation thermometer can measure the gas temperature remotely from outside of the harsh environment. At ZAE Bayern, a high temperature and high-pressure gas cell has been developed for this purpose in order to investigate gases and gas mixtures under defined conditions at high pressures and high temperatures. This gas cell can be placed in a FTIR-spectrometer in order to characterize the infrared-optical properties of the gases. In this work the measurement setup is introduced and gas mixtures, which are relevant for gas turbine applications are analyzed thoroughly. The derived results are presented and discussed in detail. To identify suitable wavelength regions for non-contact gas temperature measurements, first tests have been performed. Based on these tests, an appropriate wavelength region could be chosen, where future gas temperature measurements can be carried out.
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Zhu, Xiaorui, Shunchun Yao, Wei Ren, Zhimin Lu, and Zhenghui Li. "TDLAS Monitoring of Carbon Dioxide with Temperature Compensation in Power Plant Exhausts." Applied Sciences 9, no. 3 (January 28, 2019): 442. http://dx.doi.org/10.3390/app9030442.

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Temperature variations of flue gas have an effect on carbon dioxide (CO2) emissions monitoring. This paper demonstrates accurate CO2 concentration measurement using tunable diode laser absorption spectroscopy (TDLAS) with temperature compensation methods. A distributed feedback diode laser at 1579 nm was chosen as the laser source for CO2 measurements. A modeled flue gas was made referring to CO2 concentrations of 10–20% and temperatures of 298–338 K in the exhaust of a power plant. Two temperature compensation methods based on direct absorption (DA) and wavelength modulation (WMS) are presented to improve the accuracy of the concentration measurement. The relative standard deviations of DA and WMS measurements of concentration were reduced from 0.84% and 0.35% to 0.42% and 0.31%, respectively. Our experimental results have validated the rationality of temperature compensations and can be further applied for high-precision measurement of gas concentrations in industrial emission monitoring.
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EJIRI, Haruki. "Gas Temperature Measurement by Emission Spectroscopy." Journal of The Institute of Electrical Engineers of Japan 142, no. 11 (November 1, 2022): 698–700. http://dx.doi.org/10.1541/ieejjournal.142.698.

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Venkateshan, S. P., P. Shakkottai, E. Y. Kwack, and L. H. Back. "Acoustic Temperature Profile Measurement Technique for Large Combustion Chambers." Journal of Heat Transfer 111, no. 2 (May 1, 1989): 461–66. http://dx.doi.org/10.1115/1.3250699.

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Measurement of times of flight of sound waves can be used to determine temperatures in a gas. This paper describes a system, based on this principle, that is capable of giving the temperature profile in a nonisothermal gas volume, for example, prevalent in a large furnace. The apparatus is simple, rugged, accurate, and capable of being automated for process control applications. It is basically an acoustic waveguide where the outside temperature profile is transferred to a chosen gas contained inside the guide.
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Dissertations / Theses on the topic "Gas temperature measurement"

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Stewart, Lloyd Dorton. "Gas turbine inlet duct air temperature measurement using CO[subscript]2 infrared absorption." Thesis, Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/17367.

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Brunner, Matthias Herbert. "In-situ measurement of blade heat transfer coefficients and gas recovery temperature." kostenfrei, 2007. http://e-collection.ethbib.ethz.ch/view/eth:29954.

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Parmar, J. "Turbine inlet temperature measurement for control and diagnosis in combined cycle gas turbine." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/11053.

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The author was responsible for the Guarantee verification, testing and eventually Acceptance of all of National Power's Combined Cycle Gas Turbines for its commercial operation. It was discovered during the early Acceptance Testing of these power stations that the Original Equipment Manufacturers (OEMs) used empirical and indirect ~-~; methods to derive the gas turbine inlet temperature. This had direct impact on the life of the gas turbine components and revenue earned in terms of increase in maintenance costs and loss in generating power. It became absolutely imperative that alternative methods should be quickly deployed on National Power's gas turbines to substantiate or otherwise the already used indirect methods of running the gas turbines. A completely novel method of using ceramic thermocouples probes and embedded ceramics onto blades to monitor elevated gas temperatures from the early trials on large coal fired boilers to specially made burner rigs and the Spey gas turbine are discussed. A patent for the ceramic temperature probe was filed and approved. Finally, a non-intrusive infra-red thermal pyrometry was installed on two of National Power's CCGT power stations. The report includes technical aspects on emissivity, radiation, risks, obstacles encountered, and the methodology used to install the pyrometry. Using the data collated from Deeside Power Station, where two pyrometers are currently installed, the results obtained from the engine simulation are validated. Once the model was validated and the data correlated with the actual data obtained, it can be concluded that the deployment of pyrometry can control the diagnostics and operational behaviour of the CCGT plant. The efficiency of the gas turbine was shown to increase by about 0:4% and the corresponding increase in power was 1.3%, which would make a substantial savings in the operating and maintenance costs to National Power. This was estimated to be in access of £25,OOO,OOOlannum.
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Samuels, Gregory James. "Measurement of gas evolution from PUNB bonded sand as a function of temperature." Thesis, University of Iowa, 2011. https://ir.uiowa.edu/etd/1260.

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The chemical binders used to make sand molds and cores thermally decompose and release gas when subjected to the high temperature conditions in sand casting processes. Computational models that predict the evolution of the binder gas are being introduced into casting simulations in order to better predict and eliminate gas defects in metal castings. These models require knowledge of the evolved binder gas mass and molecular weight as a function of temperature, but available gas evolution data are limited. In the present study, the mass and molecular weight of gas evolved from PUNB bonded sand are measured as a function of temperature for use with binder gas models. Thermogravimetric analysis of bonded sand is employed to measure the binder gas mass evolution as a function of temperature for heating rates experienced in molds and cores during casting. The volume and pressure of gas evolved from bonded sand are measured as a function of temperature in a specially designed quartz manometer during heating and cooling in a furnace. The results from these experiments are combined with the ideal gas law to determine the binder gas molecular weight as a function of temperature. Thermogravimetric analysis reveals that the PUNB binder significantly decomposes when heated to elevated temperatures, and the PUNB binder gas mass evolution is not strongly influenced by heating rate. During heating of PUNB bonded sand at a rate of 2°C/min, the binder gas molecular weight rapidly decreases from 375 g/mol at 115°C to 99.8 g/mol at 200°C. The molecular weight is relatively constant until 270°C, after which it decreases to 47.7 g/mol at 550°C. The molecular weight then steeply decreases to 30.3 g/mol at 585°C and then steeply increases to 47.2 g/mol at 630°C, where it remains constant until 750°C. Above 750°C, the binder gas molecular weight gradually decreases to 33.3 g/mol at 898°C. The present measurements are consistent with the molecular weights calculated using the binder gas composition data from previous studies. The binder gas is composed of incondensable gases above 709°C, and the binder gas partially condenses during cooling at 165°C if the bonded sand is previously heated below 507°C.
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Rongchai, Kanchit. "The High Temperature Condensation Particle Counter (HT-CPC) : a new instrument for a measurement of solid particulate matter." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708259.

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Alaulamie, Arwa A. "Nanoscale Temperature Measurement of Phase Transition in Water Using Novel Optical Thermometry Techniques." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1493904666617419.

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Gu, Yuxing. "Measurements of temperature and density profiles of iodine vapor between parallel plates in the transition regime using laser induced fluorescence /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974999.

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Tootla, Naeem Ebrahim. "Investigation into methods for the calculation and measurement of pulverised coal boiler flue gas furnace exit temperature." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20562.

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The boiler flue gas furnace exit temperature (FET) is a key operating parameter of coal fired steam boilers. From the design perspective, the FET is vital for materials selection and sizing of heat transfer surfaces. From an operating perspective, it is a major indicator of the rate of combustion and heat transfer that is occurring within the furnace. Downstream of the furnace, the FET has a significant impact on both the performance and reliability of the boiler heat exchangers, which ultimately impacts on both boiler efficiency and availability. Monitoring of the FET can advise operating and engineering corrective actions which will ultimately result in better efficiency, reliability and availability together with the associated economic benefits. Therefore, methods of determining FET are investigated. Two methods are focused on for this study, one indirect and one direct. The indirect method studied is a mass and energy balance method which begins with a global boiler mass and energy balance to calculate the major boiler flow rates of coal, air and flue gas which are difficult to measure online. These parameters are then used as inputs into a furnace or backpass mass and energy balance to calculate the furnace exit temperature. The method is applied to a case study, and is evaluated in terms of the measurement uncertainties which are propagated on the intermediate parameters calculated, as well as on the final calculated FET. The main conclusions are that this indirect method contains various uncertainties, due to parameters which have to be assumed such as (i) the distribution of ingress air (also called tramp air) in the different sections of the boiler and (ii) the estimation of the share of water evaporation heat transfer occurring in the water walls of the furnace part of the boiler. The method is however still useful and can be easily applied to any boiler layout and can be used as a reference tool to verify other measurements. The direct method studied is acoustic pyrometry. The work specifically focuses on the sources of error in determining the temperature from the measurement of the time of flight of sound, the impact of particle concentration on the speed of sound through a gas-particle mixture, and the temperature profile reconstruction from acoustic time of flight measurements. A limited set of physical testing was also carried out using one acoustic generator and receiver to take measurements on a real coal power plant. As part of this physical testing, the detection of time of flight from acoustic signals was explored. Already installed radiation pyrometers were also used as a reference for interpreting the acoustic measurements. The indications are that the acoustic pyrometer provides a more representative temperature measurement than the radiation pyrometers. The uncertainty of the acoustic measurement for the same case study as the indirect method was determined and compared with the calculated result. While many aspects still need to be researched further, this initial study and experimental testing produced very promising results for future application of acoustic pyrometry for better monitoring of the coal combustion processes in power plant boilers.
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Tootla, Naeem Ebrahim. "Investigation into methods for the calculation and measurement of pulverised coal boiler flue gas furnace exit temperature." Master's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/20562.

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The boiler flue gas furnace exit temperature (FET) is a key operating parameter of coal fired steam boilers. From the design perspective, the FET is vital for materials selection and sizing of heat transfer surfaces. From an operating perspective, it is a major indicator of the rate of combustion and heat transfer that is occurring within the furnace. Downstream of the furnace, the FET has a significant impact on both the performance and reliability of the boiler heat exchangers, which ultimately impacts on both boiler efficiency and availability. Monitoring of the FET can advise operating and engineering corrective actions which will ultimately result in better efficiency, reliability and availability together with the associated economic benefits. Therefore, methods of determining FET are investigated. Two methods are focused on for this study, one indirect and one direct. The indirect method studied is a mass and energy balance method which begins with a global boiler mass and energy balance to calculate the major boiler flow rates of coal, air and flue gas which are difficult to measure online. These parameters are then used as inputs into a furnace or backpass mass and energy balance to calculate the furnace exit temperature. The method is applied to a case study, and is evaluated in terms of the measurement uncertainties which are propagated on the intermediate parameters calculated, as well as on the final calculated FET. The main conclusions are that this indirect method contains various uncertainties, due to parameters which have to be assumed such as (i) the distribution of ingress air (also called tramp air) in the different sections of the boiler and (ii) the estimation of the share of water evaporation heat transfer occurring in the water walls of the furnace part of the boiler. The method is however still useful and can be easily applied to any boiler layout and can be used as a reference tool to verify other measurements. The direct method studied is acoustic pyrometry. The work specifically focuses on the sources of error in determining the temperature from the measurement of the time of flight of sound, the impact of particle concentration on the speed of sound through a gas-particle mixture, and the temperature profile reconstruction from acoustic time of flight measurements. A limited set of physical testing was also carried out using one acoustic generator and receiver to take measurements on a real coal power plant. As part of this physical testing, the detection of time of flight from acoustic signals was explored. Already installed radiation pyrometers were also used as a reference for interpreting the acoustic measurements. The indications are that the acoustic pyrometer provides a more representative temperature measurement than the radiation pyrometers. The uncertainty of the acoustic measurement for the same case study as the indirect method was determined and compared with the calculated result. While many aspects still need to be researched further, this initial study and experimental testing produced very promising results for future application of acoustic pyrometry for better monitoring of the coal combustion processes in power plant boilers.
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Saunders, James Edward Appleby. "The development of optical measurement techniques for gas species and surface temperature on a planar SOFC methane-steam reformer." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33380.

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This thesis presents the development of an experimental apparatus and methods to allow the application of gaseous Raman spectroscopy to the challenging and original application of a small-scale, high-temperature methane/steam reformer developed to be representative of the technologies used in solid oxide fuel cell (SOFC) applications. The research is placed in the context of global energy trends and SOFC’s, with specific reference to the challenges related to directly internally reforming medium-temperature SOFC’s and the case for the development of non-intrusive measurement techniques for gas species and temperature is made. The practical aspects of the development of the broadband 308 nm Raman system are examined and previous works in this area are highlighted. The excitation light source is evaluated, the use of a liquid potassium hydrogen phthalate filter as a means to reduce Rayleigh line effects is demonstrated, and background fluorescence suppression through polarization of the 308 nm light source is presented. The arrangements of the experimental set-up, gas supply, metering, and humidification are shown, as are the optical arrangements for laser sheet formation and light collection. A description of the calibration experiments, procedures, and methodologies that are used to define the normalised relative differential Raman scattering cross sections of the major species of interest in this study is presented. The observation of an unexpected leakage of air into the reformer is described and a hypothesis is presented to explain the ingress of air. Finally, results are presented that describe the response of the optically-accessed reformer to variations in; operating temperature, humidification factor, total volume flow rate, methane volume flow rate, and the methane residency time within the reformer channel. From these results it was possible to conclude that increased reformer temperature increased reaction rate, increased gas residency time in the channel increased hydrogen production, and reactant streams with higher inlet mole fractions of methane resulting in increased reaction rates and amounts of hydrogen production. The performance of the reformer rig and the suitability of optical diagnostic techniques to the application of a SOFC scale reformer are discussed.
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Books on the topic "Gas temperature measurement"

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Pavese, Franco. Modern gas-based temperature and pressure measurements. New York: Plenum Press, 1992.

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Pavese, Franco. Modern Gas-Based Temperature and Pressure Measurements. 2nd ed. Boston, MA: Springer US, 2013.

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Elmore, D. L. [Further development of the dynamic gas temperature measurement system. [West Palm Beach, FL: Pratt & Whitney, Government Products Division, 1987.

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Stocks, Dana R. Further development of the dynamic gas temperature measurement system. West Palm Beach, FL: Pratt & Whitney, Government Products Division, 1986.

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Saravanamuttoo, H. I. H. Recommended practices for measurement of gas path pressures and temperatures for performance assessment of aircraft turbine engines and components. Neuilly sur Seine, France: AGARD, 1990.

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Canada Centre for Mineral and Energy Technology. Optical diagnostic system for the measurement of gas temperature and species concentration. S.l: s.n, 1988.

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Nolan, Davis and Associates Limited. Field procedures manual: Gas transfer measurements waste rock piles, Heath Steele Mines, New Brunswick. Ottawa, Ont: Canada Centre for Mineral and Energy Technology = Centre canadien de la technologie des minéraux et de l'énergie, 1993.

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Pavese, Franco, and Gianfranco Molinar Min Beciet. Modern Gas-Based Temperature and Pressure Measurements. Boston, MA: Springer US, 2013. http://dx.doi.org/10.1007/978-1-4419-8282-7.

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Pavese, Franco, and Gianfranco Molinar. Modern Gas-Based Temperature and Pressure Measurements. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-5869-6.

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Domracheva, L. S. Sintez sistem izmerenii͡a︡ nestat͡s︡ionarnykh temperatur gazovykh potokov. Moskva: "Mashinostroenie", 1987.

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Book chapters on the topic "Gas temperature measurement"

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Michael, J. V. "Recent Advances in the Measurement of High-Temperature Bimolecular Rate Constants." In Gas Phase Chemical Reaction Systems, 177–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80299-7_13.

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Jardine, Luke Anthony, David Cartwright, Kimble Robert Dunster, and Mark William Davies. "Measurement of Inspired Gas Temperature in the Ventilated Neonate." In Humidification in the Intensive Care Unit, 267–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-02974-5_31.

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Kawahara, N., E. Tomita, and H. Kamakura. "Transient temperature measurement of unburned gas using optic heterodyne interferometry." In Laser Techniques for Fluid Mechanics, 157–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-08263-8_10.

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Moiseenko, V. V., S. A. Novopashin, and A. B. Pakhtusov. "Pure Rotational CARS for Temperature Measurement in Turbulent Gas Flows." In Springer Proceedings in Physics, 282–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77194-1_24.

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Wang, Zhiwei, Hongrui Li, Yifeng Wang, Baohua Du, and Dapeng Wang. "Real-Time Temperature Measurement Research on High-Temperature Gas of Large-Scale Power Plant." In Clean Coal Technology and Sustainable Development, 147–55. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2023-0_20.

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Golinelli, E., S. Musazzi, U. Perini, and F. Barberis. "IR Sensor for Gas Turbine Inlet Temperature (TIT) Measurement: Experimental Results of a Laboratory Test." In Lecture Notes in Electrical Engineering, 393–96. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-09617-9_69.

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Peichl, Jonas, Andreas Schwab, Markus Selzer, Hannah Böhrk, and Jens von Wolfersdorf. "Innovative Cooling for Rocket Combustion Chambers." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 51–64. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_3.

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Abstract Transpiration cooling in combination with permeable ceramic-matrix composite materials is an innovative cooling method for rocket engine combustion chambers, while providing high cooling efficiency as well as enhancing engine life time as demanded for future space transportation systems. In order to develop methods and tools for designing transpiration cooled systems, fundamental experimental investigations were performed. An experimental setup consisting of a serial arrangement of four porous carbon fiber reinforced carbon (C/C) samples is exposed to a hot gas flow. Perfused with cold air, the third sample is unperfused in order to assess the wake flow development over the uncooled sample as well as the rebuilding of the coolant layer. Hereby, the focus is on the temperature boundary layer, using a combined temperature/pitot probe. Additionally, the sample surface temperature distribution was measured using IR imaging. The experiments are supported by numerical simulations which are showing a good agreement with measurement data for low blowing ratios.
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Menard, Yvon. "25 Years of Natural Gas Purged Infrared Pyrometer Temperature Measurement for the Operation of Open-Top Anodes Baking Furnaces." In Light Metals 2017, 1231–35. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51541-0_147.

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Pavese, Franco, and Gianfranco Molinar. "The Concept of Temperature." In Modern Gas-Based Temperature and Pressure Measurements, 9–36. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-5869-6_1.

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Pavese, Franco, and Gianfranco Molinar Min Beciet. "The Concept of Temperature." In Modern Gas-Based Temperature and Pressure Measurements, 3–44. Boston, MA: Springer US, 2012. http://dx.doi.org/10.1007/978-1-4419-8282-7_1.

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Conference papers on the topic "Gas temperature measurement"

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Martin, Douglas R., and Benjamin Rocci. "Virtual Exhaust Gas Temperature Measurement." In WCX™ 17: SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2017. http://dx.doi.org/10.4271/2017-01-1065.

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Cessac, Kevin J. "Reducing Thermowell Conduction Errors in Gas Pipeline Temperature Measurement." In TEMPERATURE: Its Measurement and Control in Science and Industry; Volume VII; Eighth Temperature Symposium. AIP, 2003. http://dx.doi.org/10.1063/1.1627275.

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Beynon, T. G. R. "Direct Measurement of Gas Temperatures by Radiation Thermometry near 4.3 μm." In TEMPERATURE: Its Measurement and Control in Science and Industry; Volume VII; Eighth Temperature Symposium. AIP, 2003. http://dx.doi.org/10.1063/1.1627229.

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Yamada, M., C. Hong, and Y. Asako. "Total Temperature Measurement of Micro Gas Jet." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36965.

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Total temperature of the nitrogen micro-gas jet from a micro-tube outlet was measured for various flow rates. A thermally insulated tube of foamed polystyrene with six baffles where the gas velocity reduces and the kinetic energy is converted into the thermal energy, was attached to the outlet of the micro-tube. The gas temperature was measured by thermocouples at locations of baffles. The inner diameter of a micro-tube used is 519μm and the tube length is 56.3 mm. The inner diameter of the polystyrene tube is 22 mm. The baffles are equally spaced and the interval of the baffles tested are 5, 10, 20 and 30 mm to investigate the effect of the interval of the baffle on the reduction of the gas velocity. Measured total temperatures are compared with the theoretically obtained total temperatures for a perfect adiabatic micro-tube. The measured total temperatures are slightly higher than the theoretically obtained total temperatures.
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Wang, Z., P. T. Ireland, and S. T. Kohler. "Gas Temperature Measurement in Internal Cooling Passages." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-534.

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The gas temperature distribution is important in the measurement and the definition of heat transfer to various gas turbine cooling problems. This paper describes a novel technique which employs encapsulated thermochromic liquid crystals on a fine nylon mesh to give virtually instantaneous gas temperature distribution measurement. The hue value of the liquid crystal on the mesh was calibrated to the gas temperature for a broad response crystal, in the range of 22–40°C, and for a narrow band crystal from 29–31°C. Data processing issues specific to the application of liquid crystals on porous target are discussed and the results of investigations provided. Finally, applications that demonstrate the viability of the method are given.
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DeSilva, Upul, Richard H. Bunce, and Heiko Claussen. "Novel Gas Turbine Exhaust Temperature Measurement System." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95152.

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Siemens Energy, Inc. has been investigating the potential of a new approach to measuring the process gas temperature leaving the turbine of their heavy industrial gas turbine engines using an acoustic pyrometer system. This system measures the bulk temperature crossing a plane behinds the last row of turbine blades and is a non-intrusive measurement. It has the potential to replace the current intrusive multiple point measurement sensor arrays for both engine control and performance evaluation. The acoustic pyrometer is a device that measures the transit time of an acoustic pulse across the exhaust duct of the engine. An estimate of the temperature of the process fluid can be made from the transit time. Multiple passes may be made at various radial positions to improve the measurement. The gas turbine exhaust is a challenging environment for acoustic temperature measurement where there can be significant temperature stratification and high velocity. Previous applications of acoustic pyrometers to measure process gas temperature in power plants have been confined to applications such as boilers where rapid temperature changes are not expected and fluid velocity patterns are well known. The present study describes the results of acoustic pyrometer testing in an operating gas turbine engine under load using an active acoustic pyrometer system containing eight sets of transmitters and receivers, all external to the turbine exhaust flow path. This active method technology is based on the temperature dependence of the isentropic speed of sound from the simple ideal gas assumptions. Sound transmitters and receivers are mounted around the exhaust duct to measure the speed of sound. Very sophisticated topographical mapping techniques have been developed to extract temperature distribution from using any where from 2 to 8 sensors with up to 24 paths and 400 points. Cross correlation of sensor results to obtain topographical mapping of gas isotherms in a plane in full engine field tests have been conducted to prove the feasible of this technology on a gas turbine engine. The initial installation of the active acoustic pyrometer system in an engine exhaust was accomplished in 2009. All the tests indicate that the steady state measurements of the acoustic pyrometer system fall within 10C of the measured exhaust thermocouple data. An additional installation on a different model engine was subsequently made and data have been gathered and analyzed. Results of these tests are presented and future evaluation options discussed.
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Eick, Thomas, Andre Magi, Olaf Sausemuth, Steffen Biermann, and Patrick Sachse. "I4.2 - High Temperature NDIR Gas Measurement Module." In SENSOR+TEST Conferences 2009. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2009. http://dx.doi.org/10.5162/irs09/i4.2.

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Magi, A., H. Klaubert, S. Biermann, P. Sachse, S. Schneider, and J. Kluge. "P8 - High- Temperature NDIR- Gas- Measurement- Module." In AMA Conferences 2013. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2013. http://dx.doi.org/10.5162/irs2013/ip8.

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Steur, P. P. M. "The IMGC Interpolating Constant Volume Gas Thermometer — New Data." In TEMPERATURE: Its Measurement and Control in Science and Industry; Volume VII; Eighth Temperature Symposium. AIP, 2003. http://dx.doi.org/10.1063/1.1627112.

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Huilin, Cheng, and Du Chunxiang. "Measurement of Turbine Blade Temperature Using Pyrometer." In ASME 1985 Beijing International Gas Turbine Symposium and Exposition. American Society of Mechanical Engineers, 1985. http://dx.doi.org/10.1115/85-igt-78.

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This paper presents the study of application of a self-made turbine blade pyrometer to measuring rotating turbine blade temperatures in a bed testing aeroengine. The study includes the temperature measuring principle and the pyrometer system; Installation and adjustment of the double ball-floating type configuration optical head which goes through four different high temperature bulkheads; Measurement of three kinds of temperatures (the average blade temperature Ta, the average peak blade temperature Tap, and the maximum peak blade temperature Tmp) for all rotor blades of the turbine first stage. The experimental data analysis reveals that the first attempt of application of this pyrometer is successful. The measurement errors in the temperature range of 550–1200° C are within ±1% of calculated blade temperatures.
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Reports on the topic "Gas temperature measurement"

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Hughes, P. M., and T. Parameswaran. Optical diagnostic system for the measurement of gas temperature and species concentration. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/307063.

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Peter Ariessohn. Development of an Acoustic Sensor On-Line Gas Temperature Measurement in Gasifiers. Office of Scientific and Technical Information (OSTI), June 2008. http://dx.doi.org/10.2172/966140.

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Peter Ariessohn and Hans Hornung. Development of an Acoustic Sensor for On-Line Gas Temperature Measurement in Gasifiers. Office of Scientific and Technical Information (OSTI), January 2006. http://dx.doi.org/10.2172/889026.

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Peter Ariessohn and Hans Hornung. Development Of An Acoustice Sensor For On-Line Gas Temperature Measurement In Gasifiers. Office of Scientific and Technical Information (OSTI), October 2006. http://dx.doi.org/10.2172/924343.

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Choi, Seung-hwan, Yasuo Moriyoshi, and Shigemi Kobayashi. Measurement of Local Gas Temperature Inside a Combustion Chamber Using Two-Wired Thermocouple. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0331.

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Hu, Xunxiang, Jason Harp, Kory Linton, and Kurt Terrani. Progress Report on Measurement of Fission Gas Release from Irradiated Fuel During Temperature Transient. Office of Scientific and Technical Information (OSTI), June 2019. http://dx.doi.org/10.2172/1542210.

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Asher, W., L. Karle, and B. Higgings. Measurement of gas transfer, whitecap coverage, and brightness temperature in a surf pool: An overview of WABEX-93. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/97107.

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Barowy, Adam, Alex Klieger, Jack Regan, and Mark McKinnon. UL 9540A Installation Level Tests with Outdoor Lithium-ion Energy Storage System Mockups. UL Firefighter Safety Research Institute, April 2021. http://dx.doi.org/10.54206/102376/jemy9731.

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This report covers results of experiments conducted to obtain data on the fire and deflagration hazards from thermal runaway and its propagation through energy storage systems (ESS). The UL 9540A test standard provides a systematic evaluation of thermal runaway and propagation in energy storage system at cell, module, unit, and installation levels. The data from this testing may be used to design fire and explosion protection systems needed for safe siting and installation of ESS. In addition to temperature, pressure, and gas measurement instruments installed inside of the container, fire service portable gas monitors were placed at locations inside and outside the storage container during the experiments to assess their ability to detect products of thermal runaway and inform fire service size-up decisions. Review section 2.2.3 Fire Service Size-up Equipment to learn more. This research demonstrates a clear need for responding firefighters to have early access to data from instrumentation installed within an ESS, particularly gas measurement instrumentation, available through a monitoring panel. Additionally, it highlights the importance of communication between responding firefighters and personnel responsible for management of the ESS, who can aid in complete evaluation of system data to develop a more clear picture of system status and potential hazards.
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Friedman, Shmuel, Jon Wraith, and Dani Or. Geometrical Considerations and Interfacial Processes Affecting Electromagnetic Measurement of Soil Water Content by TDR and Remote Sensing Methods. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580679.bard.

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Time Domain Reflectometry (TDR) and other in-situ and remote sensing dielectric methods for determining the soil water content had become standard in both research and practice in the last two decades. Limitations of existing dielectric methods in some soils, and introduction of new agricultural measurement devices or approaches based on soil dielectric properties mandate improved understanding of the relationship between the measured effective permittivity (dielectric constant) and the soil water content. Mounting evidence indicates that consideration must be given not only to the volume fractions of soil constituents, as most mixing models assume, but also to soil attributes and ambient temperature in order to reduce errors in interpreting measured effective permittivities. The major objective of the present research project was to investigate the effects of the soil geometrical attributes and interfacial processes (bound water) on the effective permittivity of the soil, and to develop a theoretical frame for improved, soil-specific effective permittivity- water content calibration curves, which are based on easily attainable soil properties. After initializing the experimental investigation of the effective permittivity - water content relationship, we realized that the first step for water content determination by the Time Domain Reflectometry (TDR) method, namely, the TDR measurement of the soil effective permittivity still requires standardization and improvement, and we also made more efforts than originally planned towards this objective. The findings of the BARD project, related to these two consequential steps involved in TDR measurement of the soil water content, are expected to improve the accuracy of soil water content determination by existing in-situ and remote sensing dielectric methods and to help evaluate new water content sensors based on soil electrical properties. A more precise water content determination is expected to result in reduced irrigation levels, a matter which is beneficial first to American and Israeli farmers, and also to hydrologists and environmentalists dealing with production and assessment of contamination hazards of this progressively more precious natural resource. The improved understanding of the way the soil geometrical attributes affect its effective permittivity is expected to contribute to our understanding and predicting capability of other, related soil transport properties such as electrical and thermal conductivity, and diffusion coefficients of solutes and gas molecules. In addition, to the originally planned research activities we also investigated other related problems and made many contributions of short and longer terms benefits. These efforts include: Developing a method and a special TDR probe for using TDR systems to determine also the soil's matric potential; Developing a methodology for utilizing the thermodielectric effect, namely, the variation of the soil's effective permittivity with temperature, to evaluate its specific surface area; Developing a simple method for characterizing particle shape by measuring the repose angle of a granular material avalanching in water; Measurements and characterization of the pore scale, saturation degree - dependent anisotropy factor for electrical and hydraulic conductivities; Studying the dielectric properties of cereal grains towards improved determination of their water content. A reliable evaluation of the soil textural attributes (e.g. the specific surface area mentioned above) and its water content is essential for intensive irrigation and fertilization processes and within extensive precision agriculture management. The findings of the present research project are expected to improve the determination of cereal grain water content by on-line dielectric methods. A precise evaluation of grain water content is essential for pricing and evaluation of drying-before-storage requirements, issues involving energy savings and commercial aspects of major economic importance to the American agriculture. The results and methodologies developed within the above mentioned side studies are expected to be beneficial to also other industrial and environmental practices requiring the water content determination and characterization of granular materials.
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van der Heijden, Joost. Optimizing electron temperature in quantum dot devices. QDevil ApS, March 2021. http://dx.doi.org/10.53109/ypdh3824.

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The performance and accuracy of quantum electronics is substantially degraded when the temperature of the electrons in the devices is too high. The electron temperature can be reduced with appropriate thermal anchoring and by filtering both the low frequency and radio frequency noise. Ultimately, for high performance filters the electron temperature can approach the phonon temperature (as measured by resistive thermometers) in a dilution refrigerator. In this application note, the method for measuring the electron temperature in a typical quantum electronics device using Coulomb blockade thermometry is described. This technique is applied to find the readily achievable electron temperature in the device when using the QFilter provided by QDevil. With our thermometry measurements, using a single GaAs/AlGaAs quantum dot in an optimized experimental setup, we determined an electron temperature of 28 ± 2 milli-Kelvin for a dilution refrigerator base temperature of 18 milli-Kelvin.
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