Relevant bibliographies by topics / Air humidity effect

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Air humidity effect'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Air humidity effect"

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Yanchukovsky, Valery, Marina Kalyuzhnaya, and Rashit Hisamov. "Intensity of the neutron component of cosmic rays and air humidity." Solar-Terrestrial Physics 10, no. 1 (2024): 34–39. http://dx.doi.org/10.12737/stp-101202405.

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Neutron monitor data is currently corrected only for the barometric effect. We cannot, however, exclude that changes in air humidity affect the intensity of the cosmic-ray neutron component recorded by neutron monitors. In this regard, we have carried out continuous measurements of air humidity and temperature when observing variations in the cosmic ray intensity with a neutron monitor in Novosibirsk. Analysis of the results of observations of meteorological parameters and cosmic ray intensity in Novosibirsk, as well as data from the global network of neutron monitors, made it possible to iden
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Rouadi, Philip, Fuad M. Baroody, David Abbott, Edward Naureckas, Julian Solway, and Robert M. Naclerio. "A technique to measure the ability of the human nose to warm and humidify air." Journal of Applied Physiology 87, no. 1 (1999): 400–406. http://dx.doi.org/10.1152/jappl.1999.87.1.400.

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To assess the ability of the nose to warm and humidify inhaled air, we developed a nasopharyngeal probe and measured the temperature and humidity of air exiting the nasal cavity. We delivered cold, dry air (19–1°C, <10% relative humidity) or hot, humid air (37°C, >90% relative humidity) to the nose via a nasal mask at flow rates of 5, 10, and 20 l/min. We used a water gradient across the nose (water content in nasopharynx minus water content of delivered air) to assess nasal function. We studied the characteristics of nasal air conditioning in 22 asymptomatic, seasonally allergic subject
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Krivosheev, Vladimir Vasilievich, Artem Igorevich Stolyarov, and Aleksandr Aleksandrovich Semenov. "Absolute humidity of atmospheric air and COVID-19." Sanitarnyj vrač (Sanitary Doctor), no. 10 (August 7, 2021): 8–24. http://dx.doi.org/10.33920/med-08-2110-01.

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Today COVID-19 is number one global point of focus. Therefore, study of the effects of environmental conditions, in which exist pandemic subjects — people and viruses, on pandemic dynamics and results is extremely important. The authors made a correlation analysis of dependence between incidence/mortality of population and absolute and relative humidity in 73 countries and regions on different continents of the Earth. The methodology developed defines how and in what periods of time the environmental factors effect on human incidence and mortality, how strongly particular atmospheric parameter
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Nduru, Fandi Bachtiar, and Nur Yanu Nugroho. "Effect of Air Humidity in MIG Welded Joints on Tensile Strength and Impact Strength of Aluminum 5052." BERKALA SAINSTEK 11, no. 2 (2023): 129. http://dx.doi.org/10.19184/bst.v11i2.37546.

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In the shipbuilding process, delays often occur. In general, to speed up a ship's construction, overtime is carried out by workers until nighttime. Environmental conditions in a welding process, especially air humidity, strongly affect the properties of welded joints. The formation of hydrogen in the air caused by an inappropriate environment can cause defects in welded joints, especially porosity defects. Variations of welding environmental conditions used, are welding in the morning at 84% air humidity, daytime welding at 53% air humidity, and nighttime welding at 77% air humidity. This stud
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Fahruddin, Arasy, Prantasi Harmi Tjahjanti, and Mulyadi. "Effect of Thermoelectric Power and Air Flow on Air Temperature and Relative Humidity." Journal of Energy, Mechanical, Material, and Manufacturing Engineering 7, no. 1 (2022): 21–26. http://dx.doi.org/10.22219/jemmme.v7i1.21761.

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A dehumidifier is a device for drying air by releasing moisture. A dehumidifier with a thermoelectric cooler has the advantage of being more compact and has the potential to be combined with an air heater. This study aimed to determine the effect of thermoelectric power and airflow on air temperature and relative humidity. The research method uses direct experiments with six pieces of thermoelectric as a coolant. The data taken are the cooler surface temperature, the air temperature that is dried, and the humidity of the air. The test results show that the dried air temperature can reach 25.6o
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Tkachenko, Irina, Sergey Tkachenko, and Viktor Dedkov. "How diets and the environment influence on the weight of Roman snail in captivity." E3S Web of Conferences 222 (2020): 02046. http://dx.doi.org/10.1051/e3sconf/202022202046.

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This article presents the results of a study into the influence of the diet, air temperature and relative air humidity, and soil temperature on the average weight of Helix pomatia in captivity. It was shown that vegetables included in the mixed leaf-vegetable diet mitigated the effect of a high air temperature and a low relative humidity. It was established that the air temperature and relative humidity had opposite effects on weight gain in Helix pomatia. The increase in temperature predetermined the weight loss. Despite the high temperature, a humidity of over 75% caused all the molluscs gai
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Tukkee, Ali M., Hussain H. Al-Kayiem, and Syed I. U. Gilani. "Humidity Effect on the Simulation Accuracy of Solar Vortex Engine Performance." Journal of Solar Energy Research Updates 8 (October 31, 2021): 118–29. http://dx.doi.org/10.31875/2410-2199.2021.08.10.

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In this study, a validated computational simulation is presented to investigate the effect of humidity on the performance prediction of the solar vortex engine system. Data from an experimental model are used to validate the CFD simulation. Three humidity cases are considered: dry air, 40% and 80% humid air. An expansion process with heat addition is taking place inside the vortex generator. When the vortex field continues outside the system, a compression process with heat rejection occurs, eventually bringing the air vortex to be thermal and mechanical equilibrium with the surrounding atmosp
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Xi, Wang, Santu Luo, Dingxin Liu, et al. "The effect of humidity on the discharge mode transition of air discharge plasma." Physics of Plasmas 29, no. 9 (2022): 090701. http://dx.doi.org/10.1063/5.0107803.

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Cold atmospheric plasma in air commonly operates in the O3 mode and NO x mode, which easily interconvert through a transition mode, depending on discharge conditions. Given that the humidity varies considerably in different weather, it is important to elucidate the effect of humidity on the discharge mode transition, but few studies have been reported thus far. In this study, air plasmas were generated by a surface dielectric barrier discharge with different discharge powers of 6, 9, and 12 W, and the relative humidity of air was controlled at 1.5% (dry air), 40%, or 80% for a comparative stud
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Shi, Weifang, Nan Wang, Aixuan Xin, Linglan Liu, Jiaqi Hou, and Yirui Zhang. "Quantifying the Independent Influences of Land Cover and Humidity on Microscale Urban Air Temperature Variation in Hot Summer: Methods of Path Analysis and Genetic SVR." Atmosphere 11, no. 12 (2020): 1377. http://dx.doi.org/10.3390/atmos11121377.

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Mitigating high air temperatures and heat waves is vital for decreasing air pollution and protecting public health. To improve understanding of microscale urban air temperature variation, this paper performed measurements of air temperature and relative humidity in a field of Wuhan City in the afternoon of hot summer days, and used path analysis and genetic support vector regression (SVR) to quantify the independent influences of land cover and humidity on air temperature variation. The path analysis shows that most effect of the land cover is mediated through relative humidity difference, mor
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Čákyová, K., and F. Vranay. "Effect of water wall prototype on air humidity." IOP Conference Series: Materials Science and Engineering 566 (August 9, 2019): 012006. http://dx.doi.org/10.1088/1757-899x/566/1/012006.

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Dissertations / Theses on the topic "Air humidity effect"

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Turri, R. "The effect of humidity and pressure on space charge growth in high voltage air discharges." Thesis, Swansea University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.639277.

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In this thesis the effect of humidity and gas density on discharge development and breakdown characteristics in a short sphere/plane gap subject to positive switching impulses has been investigated. The experiment was carried out in a sealed ionization chamber using laboratory air for pressures in the range 0.7 to 1.4 bar and absolute humidity levels from 2 to 15 g m<SUP>-3</SUP>. Both pressure and humidity could be closely controlled and measured. The impulse shape was = 100/2500 μs and the test gap consisted of a 5 cm diameter sphere 20 cm above an earthed plane. An improved version of biase
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Vohra, Amit. "Photocatalytic disinfection of indoor air effect of relative humidity and surface roughness of photocatalytic reactor /." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0013032.

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Francis, Erica Bicksler. "The effect of inspiratory air humidity and temperature on performance time while wearing a respirator." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3599.

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Thesis (M.S.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Dept. of Biological Resources Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Strömberg, Frida. "Humidity’s effect on strength and stiffness of containerboard materials : A study in how the relative humidity in the ambient air affects the tensile and compression properties in linerboard and fluting mediums." Thesis, Karlstads universitet, Institutionen för ingenjörs- och kemivetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43474.

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The aim of this thesis was to investigate the difference between containerboard materials strength and stiffness properties in tension and compression, how the mechanisms behind compressive and tensile properties are affected by the relative humidity of the ambient air and how the relative humidity affects the compressive response of the fibre network. These properties are used to predict the lifetime performance of corrugated boxes and to prevent early collapses of the boxes and thereby waste or harm of the transported goods inside. The work also discusses the methods used to evaluate the dif
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Kahandagamage, Gayan. "Analysis of the effect of charge air temperature and humidity on the combustion process of diesel engines at Heladhanavi Power Plant, Puttalam, Sri Lanka." Thesis, KTH, Kraft- och värmeteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166176.

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Heladhanavi 100MW Diesel Power Plant in Puttalam, Sri Lanka consists of six 18V46 Wartsila turbocharged air cooled engines. Specific fuel consumption of the engines varies with the ambient conditions. It has been seen in hotter days fuel consumption is higher comparatively to cooler days. This study was conducted as per the requirement to find out the reasons behind this variation of the fuel consumption and to quantify the effects on the efficiency with respect to the charge air properties in relation to temperature and humidity. The effect of charge air temperature was analyzed performing tw
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White, Justin George. "Effects of ambient humidity on the energy use of air conditioning equipment." Diss., [La Jolla] : University of California, San Diego, 2010. http://wwwlib.umi.com/cr/fullcit?p1477948.

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Thesis (M.S.)--University of California, San Diego, 2010.<br>Title from first page of PDF file (viewed July 16, 2010). Available via ProQuest Digital Dissertations. Includes bibliographical references (leaf 25).
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Marks, Marguerite Colasurdo. "Incorporating Chemical Activity and Relative Humidity Effects in Regional Air Quality Modeling of Organic Aerosol Formation." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1511.

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Atmospheric particulate matter is known to have significant effects on human health, visibility, and global climate. The magnitudes of these effects, however, depend in complex ways on chemical composition, relative humidity, temperature, phase state, and other parameters. Current regional air quality models such as CMAQ (Community Multiscale Air Quality model) ignore many of these considerations, and consider that the formation of secondary organic aerosol (SOA) can be calculated by assuming thermodynamic ideality in the organic particulate matter (OPM) phase as well as negligible uptake of w
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Mahfouf, Jean-François. "Contribution a la definition d'une parametrisation des transferts entre le sol, la vegetation et l'atmosphere : analyse de sensibilite et insertion dans un modele mesoechelle." Clermont-Ferrand 2, 1986. http://www.theses.fr/1986CLF21010.

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Un modele numerique a mesoechelle (nickerson et al, 1986) comportant un ensemble detaille de parametrisations pour la couche limite planetaire (therry et lacarrere, 1983), la vegetation (deardorff, 1978) et les transferts thermo-hydriques dans le sol (mclumber et pielke, 1981) a ete developpe. Tout d'abord, une version unidimensionnelle nous a permis de realiser un ensemble complet de tests de sensibilite sur l'influence de l'evolution diurne de la basse atmosphere vis a vis de l'etat hydrique du sol, de l'albedo de surface et du type de couvert vegetal notamment. Une comparaison a ete effectu
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Sizun, Thibaut. "Effet de l'humidité sur la réponse à l'ammoniac de capteurs conductimétriques à base de matériaux moléculaires." Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00783853.

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De nombreux capteurs d'ammoniac existent, mais la prise en compte de l'effet de l'humidité sur la mesure capteur est rarement assurée, y compris chez les fabricants. L'objectif de cette thèse est de proposer un transducteur conductimétrique capable de mesurer le taux d'ammoniac de façon sélective, avec une précision suffisante, pour une application au contrôle de la qualité de l'air dans un environnement à taux d'humidité variable. Le moyen employé pour atteindre cet objectif est l'utilisation de résistors à base de phtalocyanines de cobalt, sous forme de films minces, comme matériaux semi-con
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Budaiwi, Ismail M. "Modelling of indoor air humidity transient behaviour : effect on exterior wall moisture performance." Thesis, 1994. http://spectrum.library.concordia.ca/3695/1/NN90821.pdf.

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Books on the topic "Air humidity effect"

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Hanneman, Gerald D. A temperature/humidity tolerance index for transporting beagle dogs in hot weather. Office of Aviation Medicine, U.S. Dept. of Transportation, Federal Aviation Administration, 1987.

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Smolander, Juhani. Circulatory and thermal adjustments to dynamic exercise in different combinations of ambient temperature, air humidity, and clothing. Dept. of Physiology, University of Kuopio, 1987.

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Charron, David. Humidex and its use in the workplace. Canadian Centre for Occupational Health and Safety, 1989.

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E, Finn John, and United States. National Aeronautics and Space Administration., eds. Effects of humidity swings on adsorption columns for air revitalization: Modeling and experiments : summary of research (final report), period covered--1/16/94 - 1/15/97, Joint Research Interchange, NASA cooperative agreement no. NCC2-5024. Office of Sponsored Programs, University of Virginia, 1997.

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Health, Institute of Medicine (U S. ). Committee on Damp Indoor Spaces and. Damp indoor spaces and health. National Academies Press, 2004.

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Effects of humidity swings on adsorption columns for air revitalization: Modeling and experiments : summary of research (final report), period covered--1/16/94 - 1/15/97, Joint Research Interchange, NASA cooperative agreement no. NCC2-5024. Office of Sponsored Programs, University of Virginia, 1997.

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Performing in extreme environments. Human Kinetics, 2000.

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Book chapters on the topic "Air humidity effect"

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Blumenthal, M. Benno. "Effects of West African Air Humidity on Atlantic Sea Surface Temperature." In Greenhouse Effect, Sea Level and Drought. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0701-0_2.

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Yang, Yueguang, Lu Qu, Yuqin Liao, et al. "Effect of Humidity on Negative Streamer Discharge in Short Air Gap." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7401-6_62.

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Balthazar, Pravinth, Mohd Azmi Ismail, Andyqa Abdul Wahab, Mohammad Nazmi Nasir, Muhammad Iftishah Ramdan, and Hussin Bin Mamat. "Effect of Arrangement and Number of Water Mist Spray Nozzles on Air Humidity." In Intelligent Manufacturing and Energy Sustainability. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1616-0_12.

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Yao, Zaifeng, Lei Liu, Shuanye Han, Yaning Wang, and Xiang Lv. "Research on Service and Crack Control of Concrete in Ultra-High Altitude Environment." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_33.

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AbstractThis paper investigates the cracking prevention and control of concrete engineering in ultra-high altitude areas. Combined with the hydration-temperature-humidity-constraint coupling model, the cracking risk assessment of bridge piers under extreme environment was carried out. The effect of deformation compensation crack control in concrete cracking risk control was revealed. Finally, the concrete cracking risk was assessed after long-term temperature changes. The results show that wind speed, air temperature, light, humidity and freeze–thaw greatly affect the cracking control of concr
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Kim, Yong Hyeon. "Effects of Air Temperature, Relative Humidity and Photosynthetic Photon Flux on the Evapotranspiration Rate of Grafted Seedlings Under Artificial Lighting." In Transplant Production in the 21st Century. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9371-7_14.

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Kerstiens, G. "Effects of low light intensity and high air humidity on morphology and permeability of plant cuticles, with special respect to plants cultured in vitro." In Physiology, Growth and Development of Plants in Culture. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0790-7_14.

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Oktav Bulut, Meliha, and Ayşen Cire. "A Research on Polyamide6.6/Polyurethane Blends in Finishing Process Which Are Used for Sportswear." In Humidity Sensors [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99820.

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In this work, softeners obtained from various companies were applied to the polyamide6.6/polyurethane fabrics which are used in sportswear industry using impregnation and exhaustion methods; water vapor permeability were determined for humidity control, air permeability and capillarity tests of these fabrics were studied. In addition, the wool hydrolysate obtained from the waste wool was also applied to these fabrics by using exhaustion method and the fabric properties were compared. In order to investigate the washing resistance of the process, experiments were performed with 1% and 3% potass
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Rakitskaya, Tatyana Leonidovna, Tatyana A. Kiose, Alla S. Truba, and Alim Abdul-Amidovich Ennan. "Effect of Water on Activity and Protective Properties of Catalysts Used in Respiratory Protective Equipment." In Handbook of Research on Water Sciences and Society. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-7356-3.ch021.

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This chapter presents the results of the study on the water effect on the activity and protective properties of supported metal-complexes catalysts (SMCC) and manganese oxides intended for equipping personal respiratory protection equipment (PRPE) against toxic carbon monoxide and ozone. The problem is that many catalysts reduce or completely lose activity in conditions of high air humidity and do not ensure stable air purification from gaseous toxic substances to maximum permissible concentrations for the working area. The factors determining the effect of water are the water vapor adsorption
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Orfi, Jamel, and Amine BelHadj Mohamed. "Liquid Film Evaporation: Review and Modeling." In Humidity Sensors [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105732.

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Liquid film evaporation is encountered in various applications including in air humidifiers, in multiple effect distillers in thermal desalination, and in absorption cooling evaporators. It is associated with a falling pure, binary or multicomponent liquid film with associated complex and coupled heat and mass transfer processes. This chapter presents important fundamental aspects inherent to falling film evaporation in several geometrical configurations such as on horizontal tubes and inside inclined or vertical tubes or channels. The first part of the chapter concerns a review of recent work
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Correia, Helena Esteves, and Daniela de Vasconcelos Teixeira Agu Costa. "Effect of Climate Change on Agricultural Production." In Practice, Progress, and Proficiency in Sustainability. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-9557-2.ch006.

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Agricultural production is influenced by environmental factors such as temperature, air humidity, soil water, light intensity, and CO2 concentration. However, climate change has influenced the values of average temperature, precipitation, global atmospheric CO2 concentration, or ozone level. Thus, climate change could lead to different situations on plants and consequently influence agricultural production. With this chapter, the authors intend to research how climate change influences some plant metabolisms (such as photosynthesis, photorespiration, transpiration, among others) and therefore
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Conference papers on the topic "Air humidity effect"

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Zhang, Jianwei, Rongqi Zhang, Ning Tian, Ying Niu, and Jiawei Zhang. "Effect of Humidity on the Air-Dielectric Interface Breakdown under Nanosecond Pulse with Fluid Simulation." In 2024 IEEE 14th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2024. http://dx.doi.org/10.1109/icpadm61663.2024.10750588.

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Little, D. A., J. R. Ferrell, and J. R. Scully. "The Effect of Pretreatment and Temper on the Under-Paint Corrosion of AA2024." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04277.

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Abstract This study examines the effect of pretreatment and alloy aging on the rate of scribe-creep caused by under-paint corrosion on AA2024 (T3, T3 + 3 hrs @ 190°C, T3 + 12 hrs @ 190°C, T3 + 30 hrs @ 190°C, and T3 + 240 hrs @ 190°C). Scribe-creep experiments were conducted in humid air at 80% relative humidity and 25°C as well as 40°C temperatures. Scribe-creep was observed to be enhanced by scribe-creep test temperature, artificial aging, and by pretreatments which affects the amount of replated Cu. Experiments show that the Cu content of the alloy and pretreatment strongly influence scribe
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Maric, Marija, and Petra Milic. "EFFECT OF CLIMATE CHANGE ON INFRASTRUCTURE � CROATIAN PERSPECTIVE." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.22.

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Although the construction sector is aware of climate change, it still does not have sufficient knowledge of its impact on infrastructure and a detailed strategy for possible adaptation and mitigation measures. The strategy for adaptation to climate change in the Republic of Croatia is presented in this paper, with a focus on measures for the construction sector. Croatia is one of the three most vulnerable countries in the European Union, with an estimated highest share of climate change damage in relation to gross national income. Based on the presented climate change projections for Croatia f
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Kim, Jinuk, Kyung Rae Kim, Sang Hyeok Lee, and Jun Ho Kim. "Case Studies on Failures for Waterborne Coatings in Shipbuilding: I. Sagging." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02577.

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Abstract Sagging failures occurring immediately after spraying in a preerection ship block are uncommon when solvent-borne alkyd coatings have been used, but there are not conditions that induce the sagging failures, such as high coating thickness and humidity. These failures cause additional workload and cost because surface pretreatment and spraying have to be performed after removing the coating area in which the failures occurred. The authors performed rheology analysis for three types of the waterborne coatings to investigate the main factors that affect the sagging failures. Physical pro
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Máximo Rocha, Pedro, Dina D'Ayala, Hector Altamirano, Constantina Vlachou-Mogire, Levente Klein, and Alejandro Schrott. "The effect of changes in air humidity on historic tapestries." In 1st International Conference on Moisture in Buildings 2021. ScienceOpen, 2021. http://dx.doi.org/10.14293/icmb210074.

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Abdo, Peter, B. P. Huynh, and Vahik Avakian. "Effect of Green Wall Modules on Air Temperature and Humidity." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83139.

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Green or living walls are active bio-filters developed to enhance air quality. Often, these walls form the base from which plants are grown; and the plant-wall system helps to remove both gaseous and particulate air pollutants. They can be classified as passive or active systems. The active systems are designed with ventilators which force air through the substrate and plant rooting system, therefore the air is purified and filtered through a bio-filtration process which also acts as a natural cooling system. Their benefits include temperature reduction, improvement of air quality and reductio
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Ranjbari, Alireza, Kristof Demeestere, Christophe Walgraeve, Ki-Hyun Kim, and Philippe M. Heynderickx. "Effect of Humidity and Oxygen Vacancies in Photocatalytic Air Treatment." In The 8th International Conference of Recent Trends in Environmental Science and Engineering (RTESE 2024). Avestia Publishing, 2024. http://dx.doi.org/10.11159/rtese24.142.

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Chen, Alexander G., Daniel J. Maloney, and William H. Day. "Humid Air NOx Reduction Effect on Liquid Fuel Combustion." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30163.

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An experimental investigation was carried out at DOE NETL on the humid air combustion process using liquid fuel to determine the effects of humidity on pollutant emissions and flame stability. Tests were conducted at pressures of up to 100 psia (690 kPa), and a typical inlet air temperature of 860 °F (733 K). The emissions and RMS pressures were documented for a relatively wide range of flame temperature from 2440–3090 °F (1610 − 1970 K) with and without added humidity. The results show more than 90 percent reduction of NOx through 10 percent humidity addition to the compressed air compared wi
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Abdo, Peter, and B. P. Huynh. "Effect of Passive Green Wall Modules on Air Temperature and Humidity." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86963.

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Green walls are bio-filters developed to enhance air quality. Often, these walls form the base from which plants are grown; and the plant-wall system helps to remove both gaseous and particulate air pollutants. Green walls can be found indoors or outdoors and they are classified as passive or active systems. Their benefits include temperature reduction, improvement of air quality and reduction of air pollution, oxygen production as well as the social and psychological wellbeing. They can produce changes in the ambient conditions (temperature and humidity) of the air layers around them which cr
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Mathioudakis, K., and A. Tsalavoutas. "Uncertainty Reduction in Gas Turbine Performance Diagnostics by Accounting for Humidity Effects." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0010.

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The paper presents an analysis of the effect of ambient humidity on the performance of industrial gas turbines and examines the impact of humidity on methods used for engine condition assessment and fault diagnostics. First, the way of incorporating the effect of humidity into a computer model of gas turbine performance is described. The model is then used to derive parameters indicative of the “health” of a gas turbine and thus diagnose the presence of deterioration or faults. The impact of humidity magnitude on the values of these health parameters is studied and the uncertainty introduced,
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Reports on the topic "Air humidity effect"

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Ladd, Neuner, and Olsen. PR-179-13207-R01 Variable Fuel Composition Air Fuel Ratio Control of Lean Burn Engines. Pipeline Research Council International, Inc. (PRCI), 2016. http://dx.doi.org/10.55274/r0010864.

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This research evaluates the effects of variable fuel quality on a large bore 2 stroke natural gas engine by varying ethane in the fuel gas from 5 to 25%. Four control strategies were evaluated at ~2 g/bhp-hr NOx, constant boost control, trapped gas ratio (TGR) control, trapped equivalence ratio (TER) control and a novel NOx sensor feedback control methodology. These control approaches were evaluated during variations in intake manifold temperature, relative humidity, ethane volume percentage, and engine speed. Emissions, combustion parameters, controller performance, and engine performance wer
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Seginer, Ido, Daniel H. Willits, Michael Raviv, and Mary M. Peet. Transpirational Cooling of Greenhouse Crops. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573072.bard.

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Background Transplanting vegetable seedlings to final spacing in the greenhouse is common practice. At the time of transplanting, the transpiring leaf area is a small fraction of the ground area and its cooling effect is rather limited. A preliminary modeling study suggested that if water supply from root to canopy is not limiting, a sparse crop could maintain about the same canopy temperature as a mature crop, at the expense of a considerably higher transpiration flux per leaf (and root) area. The objectives of this project were (1) to test the predictions of the model, (2) to select suitable
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Cheng, Mengdawn, Lee Trowbridge, Glenn A. Fugate, and Jason Richards. Capture of Uranium Particles By Filtration: Effects of Filter Material and Air Humidity. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1606911.

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Willson. PR-258-9619-R01 Inlet Air Humidity Effects on a Large-Bore Two Stroke Natural as Fired Engine. Pipeline Research Council International, Inc. (PRCI), 2014. http://dx.doi.org/10.55274/r0011039.

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Marks, Marguerite. Incorporating Chemical Activity and Relative Humidity Effects in Regional Air Quality Modeling of Organic Aerosol Formation. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.1509.

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Koziel, Jacek, Yael Laor, Jeffrey Zimmerman, Robert Armon, Steven Hoff, and Uzi Ravid. Simultaneous Treatment of Odorants and Pathogens Emitted from Confined Animal Feeding Operations (CAFOs) by Advanced Oxidation Technologies. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7592646.bard.

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A feasibility study was conducted, aiming to explore the potential effectiveness of UV/TiO2/O3 photooxidation technologies for simultaneous treatment of odorant and pathogen emissions from livestock and poultry operations. Several key parameters were tested in laboratory (US) and semi-pilot (Israel) scale conditions including: the effects of light energy dose (treatment time and light intensity), relative humidity and air temperature, UV wavelength, presence of photocatalyst (TiO2) and the presence of ozone. Removal and conversion of odor, target gases (sulfur-containing volatile organic compo
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Clausen, Jay, Susan Frankenstein, Jason Dorvee, et al. Spatial and temporal variance of soil and meteorological properties affecting sensor performance—Phase 2. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41780.

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An approach to increasing sensor performance and detection reliability for buried objects is to better understand which physical processes are dominant under certain environmental conditions. The present effort (Phase 2) builds on our previously published prior effort (Phase 1), which examined methods of determining the probability of detection and false alarm rates using thermal infrared for buried-object detection. The study utilized a 3.05 × 3.05 m test plot in Hanover, New Hampshire. Unlike Phase 1, the current effort involved removing the soil from the test plot area, homogenizing the mat
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Kwon, Jaymin, Yushin Ahn, and Steve Cheung. Spatio-Temporal Analysis of the Roadside Transportation-Related Air Quality (StarTraq 2022): Data-Driven Exposure Analysis by Transportation Modes. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2220.

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Particulate matter (PM) pollution poses significant health risks, influenced by various meteorological factors and seasonal variations. This study investigates the impact of temperature and other meteorological variables on PM10 and PM2.5 levels in Fresno County, known for high air pollution. Multiple linear regression (MLR) and generalized additive models (GAMs) assess the significance of these relationships. Analyzing data from Fresno County, we examine PM10 and PM2.5 levels across "hot" (June to August) and "cool" (September to May) seasons. Findings indicate PM10, both MLR and GAM models i
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Willits, Daniel H., Meir Teitel, Josef Tanny, Mary M. Peet, Shabtai Cohen, and Eli Matan. Comparing the performance of naturally ventilated and fan-ventilated greenhouses. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7586542.bard.

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The objectives of this project were to predict the performance of naturally and fan-ventilated greenhouses as a function of climate, type of crop, evaporative cooling and greenhouse size, and to estimate the effects of the two cooling systems on yield, quality and disease development in the different crops under study. Background In the competitive field of greenhouse cultivation, growers and designers in both the US and Israel are repeatedly forced to choose between naturally ventilated (NV) and fan ventilated (FV) cooling systems as they expand their ranges in an effort to remain profitable.
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