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Relevant bibliographies by topics / Gas filters

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Journal articles

Academic literature on the topic 'Gas filters'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Gas filters"

1

Lu, Feng, Yihuan Huang, Jinquan Huang, and Xiaojie Qiu. "Gas turbine performance monitoring based on extended information fusion filter." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 2 (2018): 483–97. http://dx.doi.org/10.1177/0954410018776398.

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Performance monitoring is a critical issue for gas turbine engine for improving the operation safety and reducing the maintenance cost. With regard to this, variants of Kalman-filters-based state estimation have been employed to detect gas turbine performance, but the classical centralized Kalman filters are subject to heavy computational effort and poor fault tolerance. A novel nonlinear fusion filter algorithm using information description with distributed architecture is proposed and applied to gas turbine performance monitoring. This methodology is developed from federated Kalman filter, a

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2

Reddy, Venkat K., and Nihal C. Rajapakse. "CARBOHYDRATE STATUS OF CUSO4 SPECTRAL FILTER-GROWN CHRYSANTHEMUM PLANTS." HortScience 31, no. 5 (1996): 745d—745. http://dx.doi.org/10.21273/hortsci.31.5.745d.

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The response of `Bright Golden Anne' chrysanthemum plants grown under CuSO4 spectral filters to exogenous GA3 application was evaluated to determine the relationship between gibberellins (GAs) and carbohydrate levels. The CuSO4 filters removed far red (FR) wavelengths of light and increased red: far red (R:FR), blue: far red (B:FR), blue: red (B:R) ratios, and phytochrome photoequilibrium (Ø) values of transmitted light compared to water (control) filter. Plant height, internode length, and leaf and stem dry weights were significantly reduced by light passing through CuSO4 filters in spring an

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3

Schwarz, Almuth D., Jörg Meyer, and Achim Dittler. "Penetration of Water-Soluble Material through Gas-Cleaning Filters." Membranes 12, no. 8 (2022): 776. http://dx.doi.org/10.3390/membranes12080776.

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To predict the behavior of gas-cleaning filters during real-world operation, it is essential to understand their response to ambient conditions. The temporary presence of water droplets in gas-cleaning filtration systems due to fog, spray rain, or condensation, as examples of irregular events, has an impact on the filters’ operating performance, especially when soluble particles are present. In this work, surface filters were loaded with mixtures of water-soluble salt particles and insoluble glass spheres. These were, subsequently, exposed to water mist and dried by a particle-free gas stream.

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4

White, L. R., T. L. Tompkins, K. C. Hsieh, and D. D. Johnson. "Ceramic Filters for Hot Gas Cleanup." Journal of Engineering for Gas Turbines and Power 115, no. 3 (1993): 665–69. http://dx.doi.org/10.1115/1.2906757.

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This paper reviews the properties of high-temperature ceramic fibers and relates why strength, thermal shock resistance, chemical inertness, and high-temperature capability are important properties for high-temperature filter media. The use of candle filters, fabric filters, and composite filters will be discussed for removal of particulates from hot gas streams in electrical power generation systems, metal refining, chemical processing, and Diesel engine exhaust applications.

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5

Tatineni, Anuradha, Sonja L. Maki, and Nihal C. Rajapakse. "Growth Response and Carbohydrate Status of Gibberellin-treated Spectral Filter-grown Chrysanthemum Plants." HortScience 33, no. 3 (1998): 522c—522. http://dx.doi.org/10.21273/hortsci.33.3.522c.

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Interest in the use of non- (or less) chemical methods to reduce the height of ornamental crops has increased tremendously. Manipulation of greenhouse light quality is one alternative for plant growth regulation. We have shown that eliminating far-red light from the greenhouse environment with liquid CuSO4 spectral filters is effective in reducing the height of a wide range of plants though plant carbohydrate status is also altered under CuSO4 filter. In previous studies, application of GA3 reversed both the reduction of plant height and carbohydrate status of CuSO4 spectral filter grown plant

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6

Talipova, M. V., A. V. Lyang, and N. V. Shcherbak. "Development of filter-sorbing materials for modern gas masks and respirators." FORESTRY BULLETIN 27, no. 1 (2023): 121–33. http://dx.doi.org/10.18698/2542-1468-2023-1-121-133.

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The article focuses on the study of filter-sorbing materials (FSM) for the development of small-sized filters and the formation of a modern filters range for gas masks and respirators. There are various kinds of filters, namely particle filters, consisting of a filter material (FM) with protection from aerosols; gas filters, consisting of coal charge with protection from various concentrations of dangerous gases and vapors and combined filters, including anti-aerosol and gas protection. But in industry, due to the improvement of working conditions at enterprises, personal respiratory protectio

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7

Judkins, R. R., D. P. Stinton, R. G. Smith, et al. "Development of Ceramic Composite Hot-Gas Filters." Journal of Engineering for Gas Turbines and Power 118, no. 3 (1996): 495–99. http://dx.doi.org/10.1115/1.2816675.

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A novel type of hot-gas filter based on a ceramic fiber-reinforced ceramic matrix was developed and extended to full-size, 60-mm OD by 1.5-m-long, candle filters. A commercially viable process for producing the filters was developed, and the filters are undergoing testing and demonstration throughout the world for applications in pressurized fluidized-bed combustion (PFBC) and integrated gasification combined cycle (IGCC) plants. Development activities at Oak Ridge National Laboratory (ORNL) and at the 3M Company, and testing at the Westinghouse Science and Technology Center (STC) are presente

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8

Lu, Feng, Yafan Wang, Jinquan Huang, Yihuan Huang, and Xiaojie Qiu. "Fusing unscented Kalman filter for performance monitoring and fault accommodation in gas turbine." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 232, no. 3 (2016): 556–70. http://dx.doi.org/10.1177/0954410016682269.

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The Kalman filter is widely utilized for gas turbine health monitoring due to its simplicity, robustness, and suitability for real-time implementations. The most common Kalman filter for linear systems is linearized Kalman filter, and for nonlinear systems are extended Kalman filter and unscented Kalman filter. These algorithms have proven their capabilities to estimate gas turbine performance variations with a good accuracy, and the studies are done provided that all sensor measurements are available. In this paper, a nonlinear fusion approach with consistent diagnostic mechanism based on uns

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9

Ganguli, R. "Data Rectification and Detection of Trend Shifts in Jet Engine Path Measurements Using Median Filters and Fuzzy Logic." Journal of Engineering for Gas Turbines and Power 124, no. 4 (2002): 809–16. http://dx.doi.org/10.1115/1.1470482.

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Filtering methods are explored for removing noise from data while preserving sharp edges that many indicate a trend shift in gas turbine measurements. Linear filters are found to be have problems with removing noise while preserving features in the signal. The nonlinear hybrid median filter is found to accurately reproduce the root signal from noisy data. Simulated faulty data and fault-free gas path measurement data are passed through median filters and health residuals for the data set are created. The health residual is a scalar norm of the gas path measurement deltas and is used to partiti

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10

Li, Hai Xia, and Bing Guang Gao. "Filtration Performance of Particle Removal from Gas with Ceramic Candle Filter." Advanced Materials Research 610-613 (December 2012): 1205–8. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1205.

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A gas-particle separation system was established to study the filtration performance where twelve ceramic filters were divided into four groups. Filters in the same group will be cleaned by pulse back-flow at once. The pressure distribution and variation during filtration and pulse back-flow washing in four group filter and along filter length was measured. The main pressure drop occurs across the filter porous wall. The pressure at filter cavity decreases from the close end to open end of the candle filter. The gas velocity magnitude inside the filter system during filtration process is gener

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