Gotowe bibliografie tematyczne / Oxygen Gas Sensors

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Gotowa bibliografia na temat „Oxygen Gas Sensors”

Autor: Grafiati

Data publikacji: 7 września 2023

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Oxygen Gas Sensors"

Sembodo, Shafanda Nabil, Nazrul Effendy, Kenny Dwiantoro, and Nidlom Muddin. "Radial basis network estimator of oxygen content in the flue gas of debutanizer reboiler." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 3 (2022): 3044. http://dx.doi.org/10.11591/ijece.v12i3.pp3044-3050.

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<span>The energy efficiency in the debutanizer reboiler combustion can be monitored from the oxygen content of the flue gas of the reboiler. The measurement of the oxygen content can be conducted in situ using an oxygen sensor. However, soot that may appear around the sensor due to the combustion process in the debutanizer reboiler can obstruct the sensor’s function. In-situ redundancy sensors’ unavailability is a significant problem when the sensor is damaged, so measures must be made directly by workers using portable devices. On the other hand, worker safety is a primary concern when

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Zhang, Mao Lin, Tao Ning, and Yu Hong Yang. "Gas Response Properties of Noble Metal Modified TiO₂ Gas Sensor." Advanced Materials Research 706-708 (June 2013): 126–29. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.126.

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The response characteristics of noble metal (platinum and palladium) modified TiO2 gas sensors were investigated, respectively. X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to characterize the sensing films. In addition, the resistance of sensors response to oxygen partial pressure was discussed by Kroger–Vink model. The response properties indicated that Pt modified TiO2 was providing excellent response properties when the sensor exposed to hydrogen and oxygen. The response mechanism was suggested to arise from the activation energy (E) of the modified sensing film

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Duan, Chao, Lejun Zhang, Zhaoxi Wu, Xu Wang, Meng Meng, and Maolin Zhang. "Study on the Deterioration Mechanism of Pb on TiO2 Oxygen Sensor." Micromachines 14, no. 1 (2023): 156. http://dx.doi.org/10.3390/mi14010156.

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Previous studies have shown that the pollutants in exhaust gas can cause performance deterioration in air-fuel oxygen sensors. Although the content of Pb in fuel oil is as low as 5 mg/L, the effect of long-term Pb accumulation on TiO2 oxygen sensors is still unclear. In this paper, the influence mechanism of Pb-containing additives in automobile exhaust gas on the response characteristics of TiO2 oxygen sensors was simulated and studied by depositing Pb-containing pollutants on the surface of a TiO2 sensitive film. It was found that the accumulation of Pb changed the surface gas adsorption sta

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Sun, Jingxia, Aimin Zhang, Guoqiang Gong, and Jian Jiang. "Study on calibration period of Gas Sensor in exercise Pulmonary Function instrument." Modern Electronic Technology 2, no. 3 (2018): 66. http://dx.doi.org/10.26549/met.v2i3.1133.

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Objective: to study the calibration period of the main motor pulmonary function instrument sensor. Methods: A matched control group was used, one was calibrated periodically and the other was not calibrated. The calibration values of oxygen sensor and carbondioxide sensor were compared. Results: the oxygen sensor of electrochemical type was most sensitive to the change of time and environment, and the carbon dioxide sensor of infrared type was more sensitive to the change of time and environment. Conclusion: oxygen sensors of electrochemical type and carbon dioxide sensors of infrared type sho

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Liu, Jianqiao, Wanqiu Wang, Zhaoxia Zhai, et al. "Influence of Oxygen Vacancy Behaviors in Cooling Process on Semiconductor Gas Sensors: A Numerical Analysis." Sensors 18, no. 11 (2018): 3929. http://dx.doi.org/10.3390/s18113929.

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The influence of oxygen vacancy behaviors during a cooling process in semiconductor gas sensors is discussed by the numerical analysis method based on the gradient-distributed oxygen vacancy model. A diffusion equation is established to describe the behaviors of oxygen vacancies, which follows the effects of diffusion and exclusion in the cooling process. Numerical analysis is introduced to find the accurate solutions of the diffusion equation. The solutions illustrate the oxygen vacancy distribution profiles, which are dependent on the cooling rate as well as the temperature interval of the c

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Russ, Tamara, Joseph R. Stetter, David Peaslee, Vinay Patel, Firouzeh Mohadjerani, and Edward F. Stetter. "RTILs as Electrolytes in Electrochemical Gas Sensors for O₂ and Other Gases." ECS Meeting Abstracts MA2023-01, no. 52 (2023): 2603. http://dx.doi.org/10.1149/ma2023-01522603mtgabs.

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Oxygen is the third-most abundant element on this planet and is essential to life, the lifestyle of humans and virtually all sentient life. We need O2 to live and additionally use it for both heating and transportation. Since O2 is so essential in our everyday life, there are several applications where the oxygen levels need to be controlled or maintained within a certain range. To make sure that the O2 level is within the necessary range, devices are needed that can monitor and feedback/communicate O2 levels continuously. There are several types of chemical gas sensors for O2 which include ch

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Agustinur, Satya Cantika, Khaled Issa Khalifa, Meta Yantidewi, and Utama Alan Deta. "Literature Review: Air Oxygen Level Monitoring System." International Journal of Research and Community Empowerment 1, no. 2 (2023): 62–70. http://dx.doi.org/10.58706/ijorce.v1n2.p62-70.

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Oxygen is a very important gas for humans. The need for oxygen around the plant is very low because the exhaust gas from various factories often becomes pollutants, one of which is the cement industry. The oxygen content needs to be known so that the level of vigilance of workers and the community is higher. For this reason, it is necessary to make a monitoring device for oxygen content. In this view will be discussed several gas sensors, especially oxygen sensors. In addition, Arduino microcontrollers and Raspberry Pi microprocessors were also discussed. The goal is to be able to determine th

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Vasiliev, Alexey, Alexey Shaposhnik, Oleg Kul, and Artem Mokrushin. "The Role of Convection and Size Effects in Microhotplate Heat Exchange: Semiconductor and Thermomagnetic Gas Sensors." Sensors 25, no. 9 (2025): 2830. https://doi.org/10.3390/s25092830.

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The analysis of the influence of microhotplate size on the convective heat exchange of gas sensors is presented. Usually, the role of convection in the heat exchange of gas sensors is not considered in thermal simulation models because of the complexity of the convection process. As a result, the contribution of this process to the overall heat loss of sensors remains without detailed analysis. We analyzed convection issues in two groups of gas sensors: semiconductor and thermocatalytic (calorimetric) sensors and, on the other hand, in the oxygen sensors of the thermomagnetic type. It is demon

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Shafanda, Nabil Sembodo, Effendy Nazrul, Dwiantoro Kenny, and Muddin Nidlom. "Radial basis network estimator of oxygen content in the flue gas of debutanizer reboiler." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 3 (2022): 3044–50. https://doi.org/10.11591/ijece.v12i3.pp3044-3050.

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The energy efficiency in the debutanizer reboiler combustion can be monitored from the oxygen content of the flue gas of the reboiler. The measurement of the oxygen content can be conducted in situ using an oxygen sensor. However, soot that may appear around the sensor due to the combustion process in the debutanizer reboiler can obstruct the sensor’s function. In-situ redundancy sensors’ unavailability is a significant problem when the sensor is damaged, so measures must be made directly by workers using portable devices. On the other hand, worker safety is a primary concern when

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Maskell, W. C., and B. C. H. Steele. "Solid state potentiometric oxygen gas sensors." Journal of Applied Electrochemistry 16, no. 4 (1986): 475–89. http://dx.doi.org/10.1007/bf01006843.

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Rozprawy doktorskie na temat "Oxygen Gas Sensors"

Blanchard, Jeffrey Allen 1974. "Specific gas sensing using zirconia amperometric oxygen sensors." Thesis, The University of Arizona, 1998. http://hdl.handle.net/10150/278662.

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An analytical model for the specific gas detection of oxygen, carbon dioxide, and water vapor using zirconia amperometric oxygen sensors has been developed. Sensors of this type have been designed, fabricated, and tested using planar ceramic technology. Furthermore, an experimental setup has been designed and constructed for sensor characterization. This testbed can accurately control gas partial pressures as well as the total system pressure over a wide range of flow rates. Extensive effort has been put into design and construction of this testbed to ensure accurate scientific measurements. S

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Martínez, Hurtado Juan Leonardo. "Gas-sensitive holographic sensors." Thesis, University of Cambridge, 2013. https://www.repository.cam.ac.uk/handle/1810/244643.

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Holographic sensors are photonic layered structures contained in analyte sensitive lms that upon illumination produce monochromatic reflections (λ). The present work reports the fabrication of oxygen and ammonia sensors in Nafi on membranes and hydrocarbon and volatile organic compound sensors in poly(dimethylsiloxane) (PDMS) films. A holographic recording technique was developed to suit these materials consisting of the in situ formation of nanoparticles of 18nm average diameter and their subsequent ordered ablation with a 300mJ laser. The wavelength of the monochromatic reflections depends p

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Ioannou, Andreas Stylianou. "Development of solid state thick film zirconia oxygen gas sensors." Thesis, Middlesex University, 1992. http://eprints.mdx.ac.uk/6549/.

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Aspects relating to and including the development of thick film amperometric zirconia oxygen sensors were investigated. These devices, which were operated in the range 550-950°C, had a laminated structure in which a cathode, an electrolyte and an anode were printed, in that order, onto a planar alumina substrate. The anode and electrolyte were porous and during sensor Operation also acted as a diffusion barrier, restricting the rate of oxygen diffusion to the cathode. A thick film platinum heater was also developed to maintain the sensor at its operating temperature while acting simultaneously

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Gali, Pradeep. "Development of Indium Oxide Nanowires as Efficient Gas Sensors." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc103318/.

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Crystalline indium oxide nanowires were synthesized following optimization of growth parameters. Oxygen vacancies were found to impact the optical and electronic properties of the as-grown nanowires. Photoluminescence measurements showed a strong U.V emission peak at 3.18 eV and defect peaks in the visible region at 2.85 eV, 2.66 eV and 2.5 eV. The defect peaks are attributed to neutral and charged states of oxygen vacancies. Post-growth annealing in oxygen environment and passivation with sulphur are shown to be effective in reducing the intensity of the defect induced emission. The as-grown

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KRIK, Soufiane. "Low-operating temperature chemiresistive gas sensors: Fabrication and DFT calculations." Doctoral thesis, Università degli studi di Ferrara, 2021. http://hdl.handle.net/11392/2488099.

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Despite advantages highlighted by Metal OXides (MOX) based gas sensors, these devices still present drawbacks in their performances (e.g. selectivity, stability and high operating temperature), so further investigations are necessary. Researchers tried to address these problems in several ways, which includes new synthesis methods for innovative materials based on MOX, such as solid solutions, addition of catalysts and doping of MOX by using external atoms or oxygen vacancies. Concerning this last issue, literature presents a lack of studies on how the arrangement and number of oxygen vacancie

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Benammar, Mohieddine. "Development of instrumentation incorporating solid state gas sensors for measurement of oxygen partial pressure." Thesis, Middlesex University, 1991. http://eprints.mdx.ac.uk/6532/.

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Electronic instrumentation was developed for the measurement of the oxygen partial pressure, P1, in a sample gas using fully-sealed zirconia pump-gauge oxygen sensors operated in an AC mode. These sensors, operated typically at 700°C, consisted of two discs of zirconia with porous platinum electrodes on each face separated by a gold seal and enclosing a small internal volume. One disc was operated as a pump enabling oxygen to be electrochemically transferred into and out of the enclosed volume; the other disc operated as a gauge, the Nernst EMF across the electrodes providing a measure of the

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Spirig, John Vincent. "A new generation of high temperature oxygen sensors." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1188570727.

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Xiong, Linhongjia. "Amperometric gas sensing." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:a8dcbf36-14b6-4627-b380-3b81e83d446c.

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Amperometric gas sensors are widely used for environmental and industrial monitoring. They are sensitive and cheap but suffer from some significant limitations. The aim of the work undertaken in this thesis is the development of ‘intelligent’ gas sensors to overcome some of these limitations. Overall the thesis shows the value of ionic liquids as potential solvents for gas sensors, overcoming issues of solvent volatility and providing a wide potential range for electrochemical measurements. Methods have been developed for sensitive amperometry, the tuning of potentials and especially proof-of-

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Xu, Jinyong. "Development of metal oxide-based gas sensors for the detection of biomarkers in rice aging." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCA007.

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Cette étude vise à développer des capteurs de gaz à haute performance à base d'oxydes métalliques pour la détection à température ambiante de biomarqueurs générés dans le processus de vieillissement du riz. Trois oxydes métalliques ayant des défauts structuraux tels que W18O49, CeO2-x et ZnO/ZnSnO3 ont été préparés avec succès grâce à une stratégie combinant une méthode hydrothermale simple avec différentes modifications de surface, y compris le dopage avec métaux précieux et le conditionnement structurel. La topographie et la composition de phase des oxydes métalliques obtenus ont été étudiée

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Poudel, Chhetri Tej Bahadur. "EFFECTS OF LIGHT ILLUMINATION, TEMPERATURE AND OXYGEN GAS FLOW ON THE ELECTRICAL TRANSPORT PROPERTIES OF Sb-DOPED ZnO MICRO AND NANOWIRES." Miami University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=miami1501776637539529.

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Książki na temat "Oxygen Gas Sensors"

Ioannou, Andreas Stylianou. Development of solid state thick film zirconia oxygen gas sensors. Middlesex Polytechnic, 1992.

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Benammar, Mohieddine. Development of instrumentation incorporating solid state gas sensors for measurement of oxygen partial pressure. Middlesex Polytechnic, 1991.

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J, Watson, ed. The stannic oxide gas sensor: Principles and applications. CRC Press, 1994.

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Haynes, John Harold. Powertrain Codes and Oxygen Sensors 1990-99: 1995-99 (Chilton's Professional Series Quick-Reference Manuals). Haynes Manuals, Inc., 1999.

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Eranna, G. Metal Oxide Nanostructures As Gas Sensing Devices. Taylor & Francis Group, 2016.

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Eranna, G. Metal Oxide Nanostructures As Gas Sensing Devices. Taylor & Francis Group, 2019.

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Eranna, G. Metal Oxide Nanostructures As Gas Sensing Devices. Taylor & Francis Group, 2016.

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Eranna, G., and Eranna Eranna. Metal Oxide Nanostructures As Gas Sensing Devices. Taylor & Francis Group, 2011.

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Metal oxide nanostructures as gas sensing devices. Taylor & Francis, 2011.

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Części książek na temat "Oxygen Gas Sensors"

Friedman, Avner. "Modeling exhaust-gas oxygen sensors." In Mathematics in Industrial Problems. Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4613-8383-3_21.

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Shuk, P. "Oxygen Gas Sensing Technologies Application: A Comprehensive Review." In Sensors for Everyday Life. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47322-2_5.

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Yates, A. "Exploiting Semiconducting Oxides for Automotive Exhaust Gas Oxygen Sensors." In Electronic Materials. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3818-9_33.

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Opitz, N., and D. W. Lubbers. "Kinetics and Transient Times of Fluorescence Optical Sensors (Optodes) for Blood Gas Analysis (O2, CO2, pH)." In Oxygen Transport to Tissue IX. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-7433-6_6.

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Opitz, N., and D. W. Lübbers. "Blood Gas Analysis Using Fluorescence and Absorption Indicators in Optical Sensors (Optodes) with Integrated Excitation and Fluorescence Detection on Semiconductor Basis." In Oxygen Transport to Tissue X. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4615-9510-6_20.

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Krik, Soufiane, Andrea Gaiardo, Matteo Valt, et al. "Influence of Oxygen Vacancies in Gas Sensors Based on Metal-Oxide Semiconductors: A First-Principles Study." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37558-4_47.

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Aslamiya, M., T. S. Saleena, A. K. M. Bahalul Haque, and P. Muhamed Ilyas. "A 3D Designed Portable Programmable Device Using Gas Sensors for Air Quality Checking and Predicting the Concentration of Oxygen in Coal Mining Areas." In Soft Computing and Signal Processing. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8669-7_49.

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Huygen, P. E. M., A. Hartog, C. Kolle, E. Oosterbosch, and B. Lachmann. "An In-Line Oxygen Gas-Fraction Sensor for Anesthesia and Intensive Care." In Advances in Experimental Medicine and Biology. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5399-1_82.

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Egashira, Makoto, Masayo Nakashima, and Shohachi Kawasumi. "Oxygen Desorption and Conductivity Change of Palladium-Doped Tin(IV) Oxide Gas Sensor." In ACS Symposium Series. American Chemical Society, 1986. http://dx.doi.org/10.1021/bk-1986-0309.ch004.

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Kimura, Teiichi, and Takashi Goto. "Preparation of Ru-C Nano-Composite Film by MOCVD and Electrode Properties for Oxygen Gas Sensor." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.1485.

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Streszczenia konferencji na temat "Oxygen Gas Sensors"

Thompson, Stephen. "A Practical Approach to Controlling Gas Nitriding and Ferritic Nitrocarburizing Processes." In HT 2013, edited by B. Lynn Ferguson. ASM International, 2013. https://doi.org/10.31399/asm.cp.ht2013p0141.

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Abstract This article examines the critical role of process control in nitriding and ferritic nitrocarburizing (FNC) treatments, focusing on the measurement and regulation of nitriding potential (KN) and carbon activity (KC). The author demonstrates how modern sensor technology combined with automated programmable control systems can effectively eliminate process variability and ensure consistent, high-quality outcomes. The discussion covers fundamental principles of KN and KC control through proper utilization of sensors, analysis of key input variables, and the relationship between gas ratio

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Vera, Jose, Kyle Hilgefort, Paul Evans, Wei Shi, and Ivan Mantilla. "Methodology to Evaluate the Performance of Liquid Scavenger Application Technologies in Gas Pipelines." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19302.

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Abstract Liquid H2S scavengers are sometimes injected into pipelines transporting wet gas to reduce the H2S concentration below allowable values before reaching certain points of the system. Experimental protocols have been developed to qualify H2S scavengers based on their efficiency and kinetics. However, it has been recognized that the overall reaction kinetics can be affected by the injection method. A methodology was developed and implemented in a four-inch multiphase flow loop to evaluate the performance of scavenger application technologies in improving the reaction kinetics of liquid s

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Silverman, Seth A., and Larry Barker. "Cost Effective Seawater Injection Tubing Metallurgy for Deepwater Projects." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07067.

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Abstract The use of high strength American Petroleum Institute (API)(1) 5CT Q-125 Type 1 Cr-Mo steel tubing is planned for treated seawater injection wells for several deepwater projects. The API 5CT Q-125 Type 1 Cr-Mo steel tubing offers multimillion dollar savings per well, compared to the widely used Super Duplex 25 Cr (Unified Numbering system [UNS](2) S32760) tubing. Holding oxygen levels at an average of 10 ppb, with alarm and shut-in levels of 40 ppb, will maintain corrosion rates at an acceptable level for the life of the field. Several field case histories will be presented from opera

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Alkathafi, Maftah H., Robert A. Cottis, and Ramaier Narayanaswamy. "pH Measurement under a Simulated Disbonded Coating Using an Optical Fibre Chemical Sensor." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11276.

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Abstract The present paper is concerned with pH measurement under the disbonded coating of steel, pH was monitored at different locations down the crevice using optical fibre chemical sensor. A physical model was developed to understand the chemical and electrochemical conditions that created within a crevice beneath a disbonded coating. The physical model engaged a polyethylene film covering a crevice of controlled thickness, and exposed to a gas of controlled composition (air with 1% CO2) on the exterior of the film. The crevice was filled with a simulated ground water and pH measurement was

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Oakes, Jim. "Understanding Atmosphere in Carburizing Applications Using Simulation and Real-Time Carbon Diffusion." In HT 2013, edited by B. Lynn Ferguson. ASM International, 2013. https://doi.org/10.31399/asm.cp.ht2013p0009.

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Abstract In gas carburizing, the source of carbon is a carbon-rich furnace atmosphere produced either from gaseous hydrocarbons or from vaporized hydrocarbon liquids. Using theoretical steps with anticipated process variable inputs allows for the prediction of the carbon available to the steel surface; diffusion can be simulated. Inputs captured during a real-time run can predict the carbon buildup in a part. The simulation and real-time data can be matched up to compare metallurgical results. We will cover principles of atmosphere carburizing, including sensor and control technology. We will

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Jaeger, Paul F., and William H. Smyrl. "In-Situ Oxidation Measurements of Copper Using the Quartz Crystal Microbalance Coupled with Resistance Measurements Using an Atmospheric Corrosion Monitor." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96626.

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Abstract A method for the detection of in situ corrosion monitoring due to atmospheric gasses has been incorporated to measure not only the amount of corrosion on a copper surface but also the rate of corrosion and a study on the bonding of the adsorbent at the gas solid interface. The Quartz Crystal Microbalance (QCM) has recently been used for this corrosion monitoring. Results indicate a difference in the rate at which the adsorbent reacts with the solid in different atmospheric conditions verses the rate of corrosion as measured when there is no inhibitor present. Tests also indicate an as

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Amaya, Hisashi, Masakatsu Ueda, Masayuki Sagara, and Kazuhiko Noda. "Effect of Variation of Local PH on Stress Corrosion Cracking of Stainless Steels in High Concentration Brines." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07096.

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Abstract Recently, high density clear brine has been utilized in the oil and gas exploration field as completion or packer fluid in the annulus between the production casing and tubing. CaCl2 has been widely applied for the clear brine, however, some failure cases of duplex stainless steels or super martensitic stainless steels in high density CaCl2 brine have been reported. The effects of oxygen and/or production gas (CO2/H2S) contamination, or H2S formation as decomposition products of NaSCN-type inhibitor have been discussed. In this study, pH in high concentration brines was evaluated to d

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Lu, Ganhua, Liying Zhu, Stephen Hebert, Edward Jen, Leonidas Ocola, and Junhong Chen. "Engineering Gas Sensors With Aerosol Nanocrystals." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21301.

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Rutile tin oxide (SnO2) is a wide band gap (3.6 eV at 300K [1]) n-type semiconductor material. It is widely used as sensing elements in gas sensors [2]. The sensing mechanism is generally attributed to the significant change in the electrical resistance of the material associated with the adsorption/desorption of oxygen on the semiconductor surface [3]. The formation of oxygen adsorbates (O2− or O−) results in an electron-depletion surface layer due to the electron transfer from the oxide surface to oxygen [4]. Recent studies [5, 6] have shown that use of tin oxide nanocrystals significantly i

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Vosz, Adam, Shawn Midlam-Mohler, Yann Guezennec, and Steve Yurkovich. "Experimental Investigation of Switching Oxygen Sensor Behavior Due to Exhaust Gas Effects." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14915.

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Switching type exhaust gas oxygen sensors are critical to the performance of air-to-fuel ratio control in stoichiometric SI engines. Controlling the air-to-fuel ratio around stoichiometry is necessary for adequate three-way catalyst performance to meet government emissions regulations. However, the feedback signal from the sensor does not always truly depict the actual chemical mixture present in the exhaust gasses, which intrinsically affects the catalyst performance. A sensor may not provide correct air-to-fuel ratio feedback due to certain species in the exhaust gas which affect the equival

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Akasaka, Shunsuke, and Isaku Kanno. "Limiting current-type MEMS oxygen gas sensor integrated with micro-hotplate." In 2021 IEEE Sensors. IEEE, 2021. http://dx.doi.org/10.1109/sensors47087.2021.9639801.

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Raporty organizacyjne na temat "Oxygen Gas Sensors"

Deininger. PR-443-13605-R01 Sensors for Gas Quality Monitoring. Pipeline Research Council International, Inc. (PRCI), 2014. http://dx.doi.org/10.55274/r0010127.

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The purpose of this project was to determine the suitability of low cost environmental air quality sensors, for detection of pipeline gas quality. In particular, this project examined options for detection and quantification of hydrogen sulfide (H2S), water (H2O), and oxygen (O2). All of the sensors used were based on Synkeras existing anodic aluminum oxide (AAO) platform and detection chemistry. The key challenge of this effort was laboratory based demonstration of the feasibility of detecting these three components in natural gas at pressures exceeding 1 atmosphere

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McKinnon, Mark, Craig Weinschenk, and Daniel Madrzykowski. Modeling Gas Burner Fires in Ranch and Colonial Style Structures. UL Firefighter Safety Research Institute, 2020. http://dx.doi.org/10.54206/102376/mwje4818.

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The test scenarios ranged from fires in the structures with no exterior ventilation to room fires with flow paths that connected the fires with remote intake and exhaust vents. In the ranch, two replicate fires were conducted for each room of origin and each ventilation condition. Rooms of fire origin included the living room, bedroom, and kitchen. In the colonial, the focus was on varying the flow paths to examine the change in fire behavior and the resulting damage. No replicates were conducted in the colonial. After each fire scene was documented, the interior finish and furnishings were re

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Bora. PR-004-14604-R01 Miniaturized Gas Chromatography and Gas Quality Sensor. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010869.

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The natural gas industry currently relies on gas chromatography to evaluate the composition of natural gas including alkanes, carbon dioxide, nitrogen, and oxygen. The higher and lower heating values, Wobbe Index, Hydrocarbon Dewpoint, Methane Number, and viscosity are all calculated from the gas composition. The need to understand the composition of fuel gas and to monitor its components is crucial to the natural gas industry. Monitoring the composition of the fuel gas provides the industry with the capability of protecting valuable underground assets, delivering gas that meets end-usage requ

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