Relevant bibliographies by topics / CREEP ESTIMATION / Dissertations / Theses
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Dissertations / Theses on the topic 'CREEP ESTIMATION'

Author: Grafiati
Published: 11 September 2023

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1

Leung, Chun-Pok. "Estimation of the Ct parameter for primary creep." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/15901.

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2

Abdul, Ghafir Mohammad Fahmi Bin. "Performance based creep life estimation for gas turbines application." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/7457.

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Accurate and reliable component life prediction is crucial to ensure both the safety and economics of gas turbine operations. In the pursuit of improved accuracy and reliability, current model-based creep life estimation methods have become more and more complicated and therefore demand huge amounts of work and significant amounts of computational time. Because of the underlying problems arising from current life estimation methods, this research aims to develop an alternative performance-based creep life estimation method that is able to provide a quick solution to creep life prediction while
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3

Taherzadehboroujeni, Mehrzad. "Lifetime Estimation for Ductile Failure in Semicrystalline Polymer Pipes." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/91901.

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The aim of this study is to develop a combined experimental and analytical framework for accelerated lifetime estimates of semi-crystalline plastic pipes which is sensitive to changes in structure, orientation, and morphology introduced by processing conditions. To accomplish this task, high-density polyethylene (HDPE) is chosen as the exemplary base material. As a new accelerated test protocol, several characterization tests were planned and conducted on as-manufactured HDPE pipe segments. Custom fixtures are designed and developed to admit uniaxial characterization tests. The yield behavior
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4

Toufexis, Dimitrios. "Aircraft maintenance and development of a performance-based creep life estimation for aero engine." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7750.

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For any machine designed to generate power, or to fulfill its functions in general, maintenance actions will have an impact on many aspects of its overall capabilities, especially its performance and the length of its useful life. Since these are vital in order to generate maximum profit, the maintenance actions that affect them must be given serious consideration. For this reason, this research aims to propose a method that will enhance the cost saving potential with more accurately determined maintenance intervals and greater exploitation of the remaining life of the components by utilizing
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5

Hösthagen, Anders. "Thermal Crack Risk Estimation and Material Properties of Young Concrete." Licentiate thesis, Luleå tekniska universitet, Byggkonstruktion och brand, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65495.

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This thesis presents how to establish a theoretical model to predict risk of thermal cracking in young concrete when cast on ground or an arbitrary construction. The crack risk in young concrete is determined in two steps: 1) calculation of temperature distribution within newly cast concrete and adjacent structure; 2) calculation of stresses caused by thermal and moisture (due to self-desiccation, if drying shrinkage not included) changes in the analyzed structure. If the stress reaches the tensile strength of the young concrete, one or several cracks will occur. The main focus of this work is
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6

Dauk, Philip Carl. "Estimation in creel surveys under non-standard conditions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ51851.pdf.

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7

Luky, Robin. "Predikce creepového poškození polymerních trubek." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230310.

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A new methodology of polymer pipe lifetime estimation taking into account residual stresses is described in this thesis. Engineering equations derived based on numerical simulations of a hydrostatic pressure test are proposed. Residual lifetime calculations were performed for different loading conditions using experimental data of a creep crack propagation in studied material and stress distribution in the pipe wall. The effects which significantly influence lifetime estimation were quantified with special focus on residual stresses.
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8

Turner, Jacqueline. "LATE SPRING SURVEY AND RICHNESS ESTIMATION OF THE AQUATIC BENTHIC INSECT COMMUNITY IN THE UPPER PORTION OF THE LUSK CREEK WATERSHED." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/935.

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The Lusk Creek Watershed, located in Pope County, IL, long has been recognized as a high quality area and as biologically significant. Yet, surveys of the macroinvertebrate fauna have been limited. Thus, a survey of the benthic insect community in the upper portion of Lusk Creek was conducted from May 2003 to April 2005. Eleven sites were selected and characterized by physical properties and water chemistry. Insect distribution patterns, abundance, and diversity (richness, evenness) were examined. A total of 20,888 specimens, mostly immatures, were examined during the study and represented eig
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9

Nascimento, Lucas Deroide do. "Estimativa da fluência de geotêxteis não tecidos de poliéster por meio de ensaios convencionais e acelerados." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-10072017-091037/.

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O método convencional de ensaios para a obtenção das curvas de fluência de geossintéticos pode necessitar de períodos de até 10.000 horas. Entretanto, a utilização de ensaios acelerados têm se mostrado bastante eficiente, especialmente para avaliar rapidamente a qualidade do material. Estudos bem sucedidos realizados por diversos autores, utilizaram o método Stepped Isothermal Method (SIM) para acelerar a fluência nos geotêxteis. Neste trabalho, com base neste método foi estimada a fluência de dois geotêxteis com 300 g/m² do tipo não tecido de poliéster (PET) de fibra curta e contínua. Neste e
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10

Bonini, Nick. "Comparison of VNIR Derivative and Visible Fluorescence Spectroscopy Methods for Pigment Estimation in an Estuarine Ecosystem: Old Woman Creek, Huron, Ohio." Kent State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=kent1382838748.

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11

SINHA, ANKITA. "CREEP ESTIMATION OF GAS TURBINE ROTOR DISCS AT DIFFERENT AMBIENT CONDITIONS." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15375.

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This paper discusses the usage of several creep models in combination with ANSYS MECHANICAL APDL finite element software and analytical calculations to predict creep strain in terms of axial and radial distortion for the typical gas turbine rotor disc model. Creep analysis of gas turbine disc using different creep models at offset design condition is the main consideration of this work. For many components of industrial gas turbine, the design for creep is conservative because of close control of dimensions required over the life, the maintenance of critical dimensions, such as clearance betw
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12

陳文欽. "Estimation of Slopeland Soil Loss in Erhjen Creek Watershed." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/65588036761507003636.

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碩士<br>國立中興大學<br>水土保持學系<br>88<br>Due to steep topography, weak geology, heavy rainfall in the typhoon season, tremendous soil loss disaster usually occurs in Taiwan especially at the mudstone areas. Geographic Information System (GIS), Remote Sensing (RS), and Global Positioning System (GPS) coupled with Universal Soil Loss Equation (USLE) were used to estimate watershed soil loss in Erhjen Creek located at mudstone areas. Watershed topographic and hydrologic information of interest was also extracted automatically from Digital Terrain Model (DTM) in this study for the references of slopeland p
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13

Lin, Feng-Wei, and 林峰瑋. "Estimation of Ground-Water Resources in the Chihben Creek Basin, Taiwan." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/25140051435147029876.

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碩士<br>國立成功大學<br>資源工程學系碩博士班<br>94<br>This study is aimed to evaluate the groundwater resources of the Chihben Creek Basin at Taitung county in southeastern Taiwan. Since the shortage of the hydrogeological parameters, then selected the non hydrologeological parameter methods: the recession-curve-displacement method and the base-flow-record estimation method, which developed by USGS, to estimate this basin’s groundwater resources. On the other hand, this study try to research the geological data of this creek basin, and by refer to the similar geological conditions to choose the initial hydrogeo
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14

Liu, Shih-Jung, and 劉士榮. "Estimation of Earthquake Induced Sediment Disasters in A-bang Creek Watershed." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/hxv79c.

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碩士<br>國立中興大學<br>水土保持學系所<br>106<br>Taiwan is located at the junction of the Eurasian Plate and the Philippine Sea Plate. Due to frequent earthquakes, steep mountain terrain, fragile geological formation and the influence of extreme weather, Taiwan has usually been suffering serious landslides in the mountainous watershed, and resulting in derived disasters, which in turn affected the ecological environment and further jeopardized the safety of downstream protected objects. Watershed of A-bang Creek, a tributary of the Dajia River, was selected as a research area. Digital elevation model and mul
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15

Cox, Matthew M. "A spatially explicit network-based model for estimating stream temperature distribution." Thesis, 2002. http://hdl.handle.net/1957/32034.

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The WET-Temp (Watershed Evaluation Tool Temperature) model is designed to take advantage of spatially explicit datasets to predict stream temperature distribution. Datasets describing vegetation cover, stream network locations, elevation and stream discharge are utilized by WET-Temp to quantify geometric relationships between the sun, stream channel and riparian areas. These relationships are used to estimate the energy gained or lost by the stream via various heat flux processes (solar and longwave radiation, evaporation, convection and advection). The sum of these processes is expressed as a
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16

Wang, Nai-Hui, and 王迺卉. "Preliminary estimation of total phosphorus in Pei-Shih River basin-Using Gin-Gua-Liao creek and Dai-Yu-Jue creek as example." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/20249128866802154717.

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17

Wang, Chun-Yu, and 王浚宇. "Estimation Model of Carbon Dioxide (CO2) Emissions for Public Construction - Taking Creek Engineering as an example." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ma2r9m.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>105<br>As global warming has been getting from bad to worse, the 《Paris Agreement》 under the 《United Nations Framework Convention on Climate Change》, known as UNFCCC or FCCC, was formally signed by 154 ratified Parties, of 197 Parties to the Convention, to be adopted as the basis for a global response to tackle the challenge posed by climate change and to stabilize greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous human interference with the climate system before 2020. The Paris Agreement's central aim is to strengthen the global
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18

Cheng, Ming-Lin, and 鄭明麟. "Assessment and Methodology Study on Estimating Groundwater Pumping Rate --Case Study of Alluvial Fan of Choshui Creek." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/24881610819968478163.

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19

Jean-Baptiste, Elisa. "Estimation de la macrosomie fœtale chez les populations Cris de l’Est de la Baie-James." Thèse, 2016. http://hdl.handle.net/1866/19155.

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Objectifs : Évaluer l’incidence de la macrosomie fœtale en fonction des différentes définitions (poids de naissance >4000g, >4500g, ≥90ième percentile de Kramer) en vigueur et comparer la prévalence de la morbidité maternelle et périnatale associée à la macrosomie entre les populations Cris et les populations du Québec. Des courbes postnatales spécifiques aux Cris de l’Est de la Baie-James seront proposées. Devis : Comparaison de deux cohortes prospectives Cris et Québec. La cohorte des populations Cris de l’Est de la Baie-James, comporte 2546 femmes recrutées de 2000-2010, au cours de
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