This experimental study investigated the use of active flows and passive materials for the removal of gaseous pollutants indoors. In this study, a commercial electromagnetic synthetic jet actuator (SJA) was characteri...
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The ability to retrieve accurate information from databases without an extensive knowledge of the contents and organization of each database is extremely beneficial to the dissemination and utilization of freight data...
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Since the Occupational Safety and Health Act of 1970 was established, which places the responsibility of construction safety on the employer, various injury prevention strategies have been developed and resulted in a ...
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The objective of this research is to understand the hydration and engineering performance of superabsorbent polymers as an internal curing agent in ultra-high performance *** different types of superabsorbent polymers...
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The objective of this research is to understand the hydration and engineering performance of superabsorbent polymers as an internal curing agent in ultra-high performance *** different types of superabsorbent polymers of acrylic acid and acrylic amide with similar particle size profiles were systematically *** estimate the water absorbent capacity of the polymers,tea-bag tests using distilled water were *** calorimetry and x-ray diffraction experiments revealed the impact of polymers with different chemical bonds on cement hydration,in terms of hydration degree and hydration *** test its feasibility as a shrinkage reducing admixture for ultra-high performance concrete,compressive strength,flowability,and autogenous shrinkage profile were ***,scanning electron microscopy and computed tomography showed a multi-scale porosity network of the concrete with superabsorbent *** both polymers showed a reduction in autogenous shrinkage,it has been concluded that the particle size and chemical form of each polymer affected its role as an internal curing agent in *** also significantly affects cement hydration and mechanical *** acrylic acid polymer has more absorption capacity of distilled water,acrylic amide polymer shows better performance in low water-to-cement concrete *** Superabsorbent polymers can be a price-competitive admixture to control shrinkage of *** it has been actively studied in recent years in the cement research field,the impact of different chemical bonds and particle size as an internal curing agent has not been fully elucidated *** this research,we found that the water absorption tendencies of polymers in the concrete system significantly differ depending on the chemical bonds of the ***,the performance of the polymers(reduction of shrinkage and mechanical degradation) was *** was explained by the degree of cement
The purpose of this study is to suggest a standard comfort features presented on the consideration of the traditional houses, called Hanok in Korea. In addition, this paper is to build a diversified, integrated evalua...
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The purpose of this study is to suggest a standard comfort features presented on the consideration of the traditional houses, called Hanok in Korea. In addition, this paper is to build a diversified, integrated evaluation system considering traditional, aesthetic and psychological values. For this study, the degree of integrative comfort was analyzed and comfort performance has been classified. Comfort performance was divided into two large comfort performance categories: physical and psychological. For this research, survey data from residents were collected for evaluating psychological comfort. Existing relevant studies about comfort evaluation system were driven to reveal the quantitative comfort elements of the suggested classification system. This study also contains a qualitative in-depth analysis of the comfort factor and will examine the effect of those elements. This study has finally proposed an integrated comfort evaluation system that can evaluate over inhabitants of the interior environmental conditions and surveys. As a result, the proposed system will have to be turned on quite good applicability in the field.
The objective of this research is to understand the hydration and engineering performance of superabsorbent polymers as an internal curing agent in ultra-high performance *** different types of superabsorbent polymers...
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The objective of this research is to understand the hydration and engineering performance of superabsorbent polymers as an internal curing agent in ultra-high performance *** different types of superabsorbent polymers of acrylic acid and acrylic amide with similar particle size profiles were systematically *** estimate the water absorbent capacity of the polymers, tea-bag tests using distilled water were *** calorimetry and x-ray diffraction experiments revealed the impact of polymers with different chemical bonds on cement hydration, in terms of hydration degree and hydration *** test its feasibility as a shrinkage reducing admixture for ultra-high performance concrete, compressive strength,flowability, and autogenous shrinkage profile were ***, scanning electron microscopy and computed tomography showed a multi-scale porosity network of the concrete with superabsorbent *** both polymers showed a reduction in autogenous shrinkage, it has been concluded that the particle size and chemical form of each polymer affected its role as an internal curing agent in *** also significantly affects cement hydration and mechanical *** acrylic acid polymer has more absorption capacity of distilled water, acrylic amide polymer shows better performance in low water-to-cement concrete systems.
For computational modeling of biological systems, one of the major challenges is the identification of the model parameters. It is very beneficial to use easily obtained measurements and estimate variables and/or para...
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For computational modeling of biological systems, one of the major challenges is the identification of the model parameters. It is very beneficial to use easily obtained measurements and estimate variables and/or parameters in such systems. For instance, time-series dynamic genomic data can be used to develop models representing dynamic genetic regulatory networks. These models can be used to design intervention strategies such as understanding the biological system behavior and curing major illnesses. The study shown in this paper focuses on the parameter identification of biological phenomena modeled by S-systems using Particle Filter (PF). While the nonlinear observed system is assumed to progress according to a probabilistic state space model, the results show that the PF has good convergence properties. It is concluded that the good convergence is due to PF's ability to deal with highly nonlinear process models.
This study aims to determine the factors to assess the habitability of the modernized Korean traditional housing complex called New-Hanok Village and examine evaluation methods for its components in aspects of the urb...
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This study aims to determine the factors to assess the habitability of the modernized Korean traditional housing complex called New-Hanok Village and examine evaluation methods for its components in aspects of the urban planning. To determine the specificity of New-Hanok Village, it is necessary to assess major factors towards the habitability such as Feng-Shui and Yin-Yang. Five design elements of contemporary Hanok residential complex and their characteristics have been investigated to respond to needs of modern people with defining assessment factors derived from the VE(Value engineering) operation by the evaluation system for the habitability. Through this process, the value of the New-Hanok Village could be settled and its data could be classified. In addition, it would be possible that designers can make decisions quickly by offering necessary plans and element details, while builders would be able to reduce cost and shorten construction period by the whole VE process.
The purpose of this study is to suggest a physical comfort factor of Korean traditional residences called Hanok, and to make a composition of the monitoring system for comfort factors. For this study Hanok's degre...
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The purpose of this study is to suggest a physical comfort factor of Korean traditional residences called Hanok, and to make a composition of the monitoring system for comfort factors. For this study Hanok's degree of integrative comfort was analyzed and comfort performance has been classified. Comfort performance was divided into two large comfort performance categories: psychology cognitive factors and physical perception factors. In this research, composition of monitoring system for physical comfort performance is a key goal, so this study proposed a method of the monitoring system for physical perception factors. As a result, it is turned that the proposed system would have a pretty good applicability to the field.
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