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Relevant bibliographies by topics / Limiting water range

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Academic literature on the topic 'Limiting water range'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Limiting water range"

1

da Silva, A. P., B. D. Kay, and E. Perfect. "Characterization of the Least Limiting Water Range of Soils." Soil Science Society of America Journal 58, no. 6 (1994): 1775. http://dx.doi.org/10.2136/sssaj1994.03615995005800060028x.

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Pulido‐Moncada, Mansonia, and Lars J. Munkholm. "Limiting Water Range: A Case Study for Compacted Subsoils." Soil Science Society of America Journal 83, no. 4 (2019): 982–92. http://dx.doi.org/10.2136/sssaj2019.01.0023.

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da Silva, Alvaro Pires, and B. D. Kay. "Effect of Soil Water Content Variation on the Least Limiting Water Range." Soil Science Society of America Journal 61, no. 3 (1997): 884–88. http://dx.doi.org/10.2136/sssaj1997.03615995006100030024x.

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Leão, Tairone Paiva. "Water retention and penetration resistance equations for the least limiting water range." Scientia Agricola 76, no. 2 (2019): 172–78. http://dx.doi.org/10.1590/1678-992x-2017-0280.

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Rodrigues, Tallyta Ramalho, Derblai Casaroli, Adão Wagner Pêgo Evangelista, and José Alves Júnior. "Water availability to soybean crop as a function of the least limiting water range and evapotranspiration1." Pesquisa Agropecuária Tropical 47, no. 2 (2017): 161–67. http://dx.doi.org/10.1590/1983-40632016v4743746.

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ABSTRACT Irrigation management aimed at optimal production has been based only on the water factor. However, in addition to the water potential of the soil, factors such as soil penetration resistance and soil O2 diffusion rate also affect plant growth and interfere with water absorption, even if moisture is within the available water range. This study aimed at quantifying the least limiting water range and demonstrating its potential in soil and water management in irrigated agriculture. In order to determine the least limiting water range, soil water retention curves and soil resistance to p

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Kahlon, Meharban S., and Karitika Chawla. "Effect of tillage practices on least limiting water range in Northwest India." International Agrophysics 31, no. 2 (2017): 183–94. http://dx.doi.org/10.1515/intag-2016-0051.

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Abstract Tillage practices affect mechanical and hydrological characteristics of soil and subsequently the least limiting water range. This quality indicator under the wheat-maize system of northwest India has not been studied yet. The treatments included four tillage modes, namely conventional tillage, no-tillage without residue, no-tillage with residue, and deep tillage as well as three irrigation regimes based on the irrigation water and pan evaporation ratio i.e. 1.2, 0.9, and 0.6. The experiment was conducted in a split plot design with three replications. At the end of cropping system, t

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Calonego, Juliano Carlos, and Ciro Antonio Rosolem. "Least limiting water range in soil under crop rotations and chiseling." Revista Brasileira de Ciência do Solo 35, no. 3 (2011): 759–71. http://dx.doi.org/10.1590/s0100-06832011000300012.

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Soil water availability to plants is affected by soil compaction and other variables. The Least Limiting Water Range (LLWR) comprises soil physical variables affecting root growth and soil water availability, and can be managed by either mechanical or biological methods. There is evidence that effects of crop rotations could last longer than chiseling, so the objective of this study was to assess the effect of soil chiseling or growing cover crops under no-till (NT) on the LLWR. Crop rotations involving triticale (X Triticosecale) and sunflower (Helianthus annuus) in the fall-winter associated

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Leao, Tairone Paiva, Alvaro Pires da Silva, Ed Perfect, and Cassio Antonio Tormena. "An Algorithm for Calculating the Least Limiting Water Range of Soils." Agronomy Journal 97, no. 4 (2005): 1210–15. http://dx.doi.org/10.2134/agronj2004.0229.

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de Oliveira, Ingrid Nehmi, Zigomar Menezes de Souza, Lenon Henrique Lovera, et al. "Least limiting water range as influenced by tillage and cover crop." Agricultural Water Management 225 (November 2019): 105777. http://dx.doi.org/10.1016/j.agwat.2019.105777.

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Ferreira, Camila Jorge Bernabé, Lincoln Zotarelli, Cássio Antonio Tormena, Libby R. Rens, and Diane L. Rowland. "Effects of water table management on least limiting water range and potato root growth." Agricultural Water Management 186 (May 2017): 1–11. http://dx.doi.org/10.1016/j.agwat.2017.02.020.

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Dissertations / Theses on the topic "Limiting water range"

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Semetsa, Stanley Rabashi. "Characterisation of the least limiting water range of a texture-contrast soil /." Title page, Contents and Abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09ASOM/09asoms471.pdf.

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Siegel-Issem, Cristina Marie. "Forest Productivity as a Function of Root Growth Opportunity." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/36323.

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Compaction caused by certain intensive forest management practices can reduce tree growth, but the causes of growth reduction are usually complex interactions between soil properties and tree species. We used a 7 by 7 factorial greenhouse experiment to create a matrix of bulk density ((Ï b)) and volumetric water content (Î¸v) to determine soil compaction effects on seedling growth of: (i) ponderosa pine (Pinus ponderosa Dougl. ex Laws) grown on Dome and Cohasset soils from California; (ii) shortleaf pine (Pinus echinata) on a Clarksville soil from Missouri; and (iii) loblolly pine (Pinus taeda

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Arroyo, Garcia Rodrigo [UNESP]. "Rotação de culturas e propriedades físicas e matéria orgânica de um latossolo." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/100007.

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Made available in DSpace on 2014-06-11T19:30:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-06-05Bitstream added on 2014-06-13T20:40:23Z : No. of bitstreams: 1 arroyogarcia_r_dr_botfca.pdf: 1117377 bytes, checksum: 640c0531b51ae26f4c6122ba741bb333 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>O manejo inadequado do solo ocasiona a formação de camadas compactadas que prejudicam o desenvolvimento radicular das plantas, diminuindo a disponibilidade de água e nutrientes, enquanto que o acúmulo de carbono pode melhorar a qualidade do solo. Em sistemas com se

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Arroyo, Garcia Rodrigo 1982. "Rotação de culturas e propriedades físicas e matéria orgânica de um latossolo /." Botucatu : [s.n.], 2010. http://hdl.handle.net/11449/100007.

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Orientador: Ciro Antonio Rosolem<br>Banca: Maria Helena Moraes<br>Banca: Juliano Carlos Calonego<br>Banca: Sandro Roberto Brancalião<br>Banca: Sônia Carmela Falcci Dechen<br>Resumo: O manejo inadequado do solo ocasiona a formação de camadas compactadas que prejudicam o desenvolvimento radicular das plantas, diminuindo a disponibilidade de água e nutrientes, enquanto que o acúmulo de carbono pode melhorar a qualidade do solo. Em sistemas com semeadura direta (SSD), com a menor mobilização do solo, pode-se usar, em rotação, plantas com sistema radicular vigoroso, capaz de crescer em condições ad

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Silva, Giovana Lopes da. "Qualidade fÃsica de um Luvissolo cultivado com sistemas agroflorestais e convencional no semi-Ãrido cearense." Universidade Federal do CearÃ, 2008. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=2012.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>A introduÃÃo de sistemas agrÃcolas no ecossistema natural altera o equilÃbrio do solo, com reflexos na sua qualidade, cujos impactos dependerÃo do tipo de manejo utilizado e da capacidade de suporte do solo. Uma das alternativas Ã a adoÃÃo dos sistemas agroflorestais, pois tais sistemas promovem a proteÃÃo do solo e sÃo capazes de manter a sua qualidade em condiÃÃes semelhantes a do solo sob vegetaÃÃo natural, jÃ que as Ãrvores favorecem as propriedades fÃsicas do solo. Assim foi desenvolvido um estudo com o objetivo de avaliar a q

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Rodrigues, Suelí. "Emergência de plântulas de soja e milho sob sistema plantio direto e sua relação com a qualidade física da cama de semeadura." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-24032014-135053/.

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A qualidade da germinação das sementes, exclusivamente, não é garantia de uma emergência adequada e uniforme das plântulas. As condições físicas da cama de semeadura são essenciais para uma apropriada germinação, emergência e desenvolvimento da cultura. A heterogeneidade natural do solo pode criar diferentes microambientes resultando em condições desfavoráveis para o crescimento inicial das plantas. A hipótese deste trabalho é a de que a variabilidade textural do solo pode resultar em condições físicas heterogêneas, principalmente na cama de semeadura e, essas diferenças podem influenciar na e

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Farias, Ismar Lima de. "Comportamento mecânico e hídrico de um argissolo amarelo de tabuleiros costeiros cultivado com cana-de-açúcar." Universidade Federal de Sergipe, 2012. https://ri.ufs.br/handle/riufs/6647.

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The Coastal Tableland ecosystem is of great importance for the Brazilian Northeast region being mainly cultivated with the sugar cane crop. This ecosystem has soils with cohesive layer of geogenic origin presenting a dense layer that can became denser by an intensive use of agricultural machines and implements under insufficient soil moisture. The development and deepening of roots are restricted by this dense layer that reduce the water infiltration and availability in the soil profile, that associated to dry season periods has as a result the decrease of crops productivity and longevity. The

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Junior, Afrânio Ferreira Neves. "Qualidade física de solos com horizonte antrópico (Terra Preta de Índio) na Amazônia Central." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-28072008-155658/.

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As Terras Pretas de Índio (TPI) apresentam por definição o horizonte A antrópico, de cor escura, com presença de artefatos líticos e/ou cerâmicos oriundos do processo de ocupação humana na Amazônia. As áreas que ocorrem se diferenciam dos solos adjacentes por exibirem e manterem condições químicas do solo adequadas ao crescimento de plantas, mesmo após vários anos de cultivo. Essa pesquisa testa a hipótese que de que as TPI exibem condições físicas do solo adequadas ao crescimento de plantas e, mais adequadas que às encontradas nos solos adjacentes. O objetivo deste estudo foi avaliar as propr

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Aguiar, Maria Ivanilda de. "Qualidade física do solo em sistemas agroflorestais." Universidade Federal de Viçosa, 2008. http://locus.ufv.br/handle/123456789/5396.

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Made available in DSpace on 2015-03-26T13:53:02Z (GMT). No. of bitstreams: 1 texto completo.pdf: 500778 bytes, checksum: 54d74c38abecd0c8fd7cac86d969d9ee (MD5) Previous issue date: 2008-02-18<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The soil quality refers to its functionality within the ecosystems natural or managed. The main functions of the soil are related to the ability to sustain this into biological activity, to promote growth and health of plants and animals and maintaining environmental quality. The intensive use of the soil leads to loss of quality of it th

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Kunz, Maurício. "Relações físico-hídricas de um latossolo sob plantio direto." Universidade Federal de Santa Maria, 2010. http://repositorio.ufsm.br/handle/1/5526.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Soil compaction is a process inherent in the no-tillage system and therefore, it will be always observed with varying intensity degrees. However, this system has features which can be maximized in order to reduce the compression process and its consequences. The objective of this study was evaluate soil hydro-physical properties as indicators of quality in an Oxisol, long time cultivated under no-tillage system. The specific objectives were determine the critical bulk density in which the soil resistance penetration and air porosit

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Books on the topic "Limiting water range"

1

Topp, G. Clarke. Non-limiting water range (NLWR): An appproach for assessing soil sturcture. Research Branch, Agriculture and Agri-Food Canada, 1994.

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Book chapters on the topic "Limiting water range"

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"Water Range: Least-Limiting." In Encyclopedia of Soil Science, Third Edition. CRC Press, 2017. http://dx.doi.org/10.1081/e-ess3-120053781.

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"Least Limiting Water Range (Llwr)." In Encyclopedia of Agrophysics. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3585-1_714.

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"Non-Limiting Water Range (Nlwr)." In Encyclopedia of Agrophysics. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3585-1_735.

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Kay, B., S. Imhoff, C. Tormena, and Alvaro Pires da Silva. "Least Limiting Water Range of Soils." In Encyclopedia of Soil Science, Second Edition. CRC Press, 2005. http://dx.doi.org/10.1201/noe0849338304.ch211.

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Kirkham, M. B. "Field Capacity, Wilting Point, Available Water, and the Non-Limiting Water Range." In Principles of Soil and Plant Water Relations. Elsevier, 2005. http://dx.doi.org/10.1016/b978-012409751-3/50008-6.

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Garg, Shivani. "Bioremediation of Agricultural, Municipal, and Industrial Wastes." In Handbook of Research on Inventive Bioremediation Techniques. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2325-3.ch015.

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Growth of agriculture and manufacturing industries has resulted in increased a wide range of complex and hazardous compounds to the environment. Excess growth of hazardous waste has led to reduce availability of clean water and disturbances of soil thus limiting crop production. Waste generated from different sources like Industrial, domestic and agricultural etc. having different kinds of chemical compound i.e. organic or inorganic. Traditional methods are not able to deal with some of these chemical compounds. Bioremediation process is good option in such environmental problems. Bioremediation provides a technique for cleaning up pollution by enhancing the natural biodegradation processes. It treats such waste with the help of microorganism. Number of microbes including aerobes, anaerobic and fungi are involved in bioremediation process. Specific types of microbes are used to treat specific type of chemical contaminant. The chapter include all the techniques of bioremediation used to treat different kinds of contaminant.

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Garg, Shivani. "Bioremediation of Agricultural, Municipal, and Industrial Wastes." In Waste Management. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1210-4.ch043.

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Growth of agriculture and manufacturing industries has resulted in increased a wide range of complex and hazardous compounds to the environment. Excess growth of hazardous waste has led to reduce availability of clean water and disturbances of soil thus limiting crop production. Waste generated from different sources like Industrial, domestic and agricultural etc. having different kinds of chemical compound i.e. organic or inorganic. Traditional methods are not able to deal with some of these chemical compounds. Bioremediation process is good option in such environmental problems. Bioremediation provides a technique for cleaning up pollution by enhancing the natural biodegradation processes. It treats such waste with the help of microorganism. Number of microbes including aerobes, anaerobic and fungi are involved in bioremediation process. Specific types of microbes are used to treat specific type of chemical contaminant. The chapter include all the techniques of bioremediation used to treat different kinds of contaminant.

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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Paul A. Heikkila. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch20.

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<em>Abstract.</em> —The Coquille watershed contains the largest coastal river originating within the Coast Range of Oregon. The Coquille River presently supports over 57 species of fish including coho salmon <em>Oncorhynchus kisutch</em> , spring and fall chinook salmon <em>O. tshawytscha</em> , resident and sea-run cutthroat trout <em>O. clarki</em> , winter steelhead trout <em>O. mykiss</em> , and a remnant population of chum salmon <em>O. keta</em> . Coho salmon have been listed as threatened under the Endangered Species Act. Many factors including habitat alterations, harvests, hatchery introductions, and ocean conditions have led to the decline of many Coquille River fish stocks. Habitat changes since European settlement began in the mid- 1800s include logging and log transport, road building, draining and diking for agriculture, and urbanization, which have all contributed to the decline of fish stocks and water quality within the watershed. The recognition of habitat problems as a key limiting factor for fish production and water quality led to the formation of the Coquille Watershed Association (CWA) in early 1994. The formation of the CWA was another step in a 20-year local effort to address habitat problems through restoration of natural processes. The CWA is organized as a nonprofit corporation and is governed by a 26-member executive council representing landowners and stakeholders within the watershed. The goals of the CWA, which arrives at decisions through consensus, include creating water quality conditions that will meet Clean Water Act standards and enhancing native fish survival and production through public and private partnerships. To reach those goals, the CWA has organized a technical advisory group and developed an Action Plan that address limiting factors and sets priorities for identifying, prioritizing, coordinating, accomplishing, and monitoring restoration projects and educational efforts. To date the CWA has generated over US$2.5 million in public and private funding to implement projects including riparian restoration through fencing and planting, wetland development, the addition of large-channel wood and rock, off-channel livestock watering, and over 40 educational tours.

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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Paul A. Heikkila. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch20.

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<em>Abstract.</em> —The Coquille watershed contains the largest coastal river originating within the Coast Range of Oregon. The Coquille River presently supports over 57 species of fish including coho salmon <em>Oncorhynchus kisutch</em> , spring and fall chinook salmon <em>O. tshawytscha</em> , resident and sea-run cutthroat trout <em>O. clarki</em> , winter steelhead trout <em>O. mykiss</em> , and a remnant population of chum salmon <em>O. keta</em> . Coho salmon have been listed as threatened under the Endangered Species Act. Many factors including habitat alterations, harvests, hatchery introductions, and ocean conditions have led to the decline of many Coquille River fish stocks. Habitat changes since European settlement began in the mid- 1800s include logging and log transport, road building, draining and diking for agriculture, and urbanization, which have all contributed to the decline of fish stocks and water quality within the watershed. The recognition of habitat problems as a key limiting factor for fish production and water quality led to the formation of the Coquille Watershed Association (CWA) in early 1994. The formation of the CWA was another step in a 20-year local effort to address habitat problems through restoration of natural processes. The CWA is organized as a nonprofit corporation and is governed by a 26-member executive council representing landowners and stakeholders within the watershed. The goals of the CWA, which arrives at decisions through consensus, include creating water quality conditions that will meet Clean Water Act standards and enhancing native fish survival and production through public and private partnerships. To reach those goals, the CWA has organized a technical advisory group and developed an Action Plan that address limiting factors and sets priorities for identifying, prioritizing, coordinating, accomplishing, and monitoring restoration projects and educational efforts. To date the CWA has generated over US$2.5 million in public and private funding to implement projects including riparian restoration through fencing and planting, wetland development, the addition of large-channel wood and rock, off-channel livestock watering, and over 40 educational tours.

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McCallum, Anna, and Torben Riehl. "Intertidal to Abyss: Crustaceans and Depth." In Evolution and Biogeography. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190637842.003.0016.

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Crustaceans occur from the shelf to hadal depths, but the immense environmental change that occurs along this depth gradient results in significant faunal change. One well-established pattern is the dramatic decline in biomass with depth, a result of an exponential decline in food availability. Average body size becomes smaller, despite observations of deep-sea gigantism in some crustaceans. Crustacean species tend to occupy a limited depth range, resulting in high faunal turnover. The depths of the greatest faunal turnover vary widely throughout the oceans, and there do not appear to be distinct bathymetric “zones” at ocean-wide scales. Molecular research at the species level confirms that small bathymetric changes are often more significant at promoting population differentiation than geographic distance. Observation of crustaceans in the laboratory demonstrates that the interaction between pressure and temperature is likely to act together in limiting the bathymetric range of many species. Debate continues around species richness and diversity gradients, and it remains unclear whether there are more crustacean species on the shelf compared to bathyal depths. Diversity patterns vary between taxa. Decapods are species rich on the shelf and upper slope and less so in the abyss. Isopods show high bathyal diversity, although this pattern varies between regions. For other crustaceans, it is difficult to make generalizations on diversity gradients as there are fewer studies, and results vary depending on geographic region and the method used to estimate diversity and richness. In cumaceans, amphipods. and harpacticoids, species richness is often highest on the shelf, while maximum species diversity occurs in deeper water. Food availability and temperature are good correlates for depth-diversity gradients.

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Conference papers on the topic "Limiting water range"

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Almeida, B. G., V. F. Marcelo, W. L. S. Souza, J. C. Cunha, H. N. León, and C. D. G. C. Almeida. "LEAST LIMITING WATER RANGE IN HARDSETTING SOILS UNDER POLYACRYLAMIDE." In III Inovagri International Meeting. INOVAGRI/INCT-EI, 2015. http://dx.doi.org/10.12702/iii.inovagri.2015-a403.

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OLIVEIRA DE MORAES, LUANA, MARA DE ANDRADE MARINHO, and MICHENDER WERISON MOTTA PEREIRA. "Least Limiting Water Range of a Typic Rhodudalf in Sao Paulo State." In XXIV Congresso de Iniciação Científica da UNICAMP - 2016. Galoa, 2016. http://dx.doi.org/10.19146/pibic-2016-52059.

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Lin, Yu, Ghassan El Chahal, and Yanlin Shao. "Caisson Breakwater for LNG and Bulk Terminals: A Study on Limiting Wave Conditions for Caisson Installation." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-19081.

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Abstract As the worldwide oil and gas market continues to grow and environmental concerns with respect to in-port offloading of gas have increased, there has been a boom of interest in new liquefied natural gas LNG terminals in the past years. Loading - offloading operations at LNG and bulk terminals are generally protected by a breakwater to ensure high operability. For these terminals, caisson breakwaters are generally a preferred solution in water depth larger than 15 m due to its advantages compared to rubble mound breakwaters. The caisson installation is generally planned to be carried ou

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Matthews, Eric, and Mark Gray. "Application of Environmentally Assisted Fatigue Transient Ramp Times Optimization in Design Evaluations and Fatigue Monitoring Algorithms." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21545.

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Abstract As part of the effort for a nuclear plant to undergo license renewal, the effect of reactor water environment on fatigue life must be addressed for limiting component locations. One method to incorporate the effects of reactor water environment into the fatigue evaluations of metal components is to apply an environmental fatigue penalty factor (Fen) to the partial usage factor obtained from the design fatigue curve for each stress cycle. Fatigue evaluations have historically been performed by assuming that temperature transient loads occur at conservatively high rates to maximize the

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Grubert, Emily, Carey W. King, and Michael E. Webber. "Water for Biomass-Based Energy on Maui, Hawaii." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63199.

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Biomass-based energy has characteristics that could help Maui Island meet multiple long-term goals, including decreasing reliance on oil for electricity and transportation fuels, increasing use of local resources that do not need to be shipped long distances, and diversifying the island economy beyond tourism by preserving agriculture. Biomass can be used for liquid fuel production and for electricity production. On Maui, sugarcane has been grown at plantation scale for over a century. Accordingly, sugarcane-derived ethanol and combustible sugarcane bagasse have long been of interest as energy

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Baker, Derek K., and Bilgin Kaftanog˘lu. "Trends in COP for Adsorption Cooling Cycles With Thermal Regeneration and Finite Number of Beds." In ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54039.

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A thermodynamic model is developed to predict trends in limiting COP of an adsorption cooling cycle with thermal regeneration between n beds, where n is any even number and each bed is spatially isothermal. The results of the model indicate the optimum distribution of beds throughout the cycle to maximize thermal regeneration. Simulations were run for silica gel-water and zeolite-water adsorbent-refrigerant pairs as the maximum bed temperature and the bed’s sensible load were varied. For the silica gel-water pair, the exothermic adsorption process occurs at lower temperatures than the endother

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Beevers, Adam, Said Havakechian, and Benjamin Megerle. "On the Prediction and Theory of the Temperature Increase of Low Pressure Last Stage Moving Blades During Low Volume Flow Conditions, and Limiting it Through Steam Extraction Methods." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25456.

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During extreme low volume flow conditions, the last stages of a low pressure steam turbine operate in ventilation conditions that can cause a significant temperature increase of critical regions of the last stage moving blade. Under some conditions, the blade temperature may rise above a safe operating temperature, requiring the machine to be shut down. Limiting the heating effect on the last stage moving blade increases the allowable operating range of the low pressure turbine. One common method is to spray water droplets into the low pressure exhaust. As the length of last stage moving blade

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Guo, Si-pu, Zhao-zan Feng, Ze-cong Fang, Wei Li, Jin-liang Xu, and Pei-xue Jiang. "Improved Correlations for Counting the Effect of Natural Convection on Laminar Flow of Nanofluids." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17090.

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Nanofluids are colloidal suspensions of nano-scale particles in water, or other base fluids. In this paper, the effect of natural convection on laminar flow of nanofluids in a horizontal tube has been addressed. The obtained experimental data could not be reconciled with existing correlations over a wide range of Prandtl number under laminar mixed convection. Three improved correlations have been derived by using single-phase fluid approach. These correlations fit our data to within ± 10 % and also agree with the data in literature quite well. Such results verify that nanofluids can be treated

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Fourspring, Patrick M., and Joseph P. Nehrbauer. "Performance Testing of the 100 kW Shell-and-Tube Heat Exchanger Using Low-Finned Tubes With Supercritical Carbon Dioxide on the Shell Side and Water on the Tube Side." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42245.

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BMPC completed thermal-hydraulic testing of a shell-and-tube heat exchanger with low-finned tubes for transferring heat from supercritical carbon dioxide (S-CO2) on the shell side to water on the tube side. The measured performance of the shell-and-tube heat exchanger using low-finned tubes on the shell side showed that it achieved the specified thermal-hydraulic performance. The analytical approach to determine the performance of a shell-and-tube heat exchanger with low-finned tubes and S-CO2 on the shell side compares well with the measured performance of the heat exchanger. The additional h

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Santos, Valter R., Mauri´cio J. Monteiro, Fernando C. R. Assunc¸a¯o, et al. "Evaluation and Development of Electrodes for Wet Welding of Structural Ship Steels." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20808.

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To better understand the behavior of some commercial wet welding electrodes down to 20 m equivalent water depth as well as to develop a new electrode, a research program was initiated in 2007. This depth is considered the maximum expected in the in situ repair of structural parts of floating production units. The weld metal evaluation was done by microstructural characterization, Vickers hardness, Charpy and tensile tests, chemical analysis, and diffusible hydrogen measurement. The influences of pressure on the mechanical properties of the weld metal are presented and discussed on the basis of

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