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Article
Publication date: 1 August 1999

Jaroslav Mackerle

This paper gives a bibliographical review of the finite element methods (FEMs) applied to the analysis of ceramics and glass materials. The bibliography at the end of the…

Abstract

This paper gives a bibliographical review of the finite element methods (FEMs) applied to the analysis of ceramics and glass materials. The bibliography at the end of the paper contains references to papers, conference proceedings and theses/dissertations on the subject that were published between 1977‐1998. The following topics are included: ceramics – material and mechanical properties in general, ceramic coatings and joining problems, ceramic composites, ferrites, piezoceramics, ceramic tools and machining, material processing simulations, fracture mechanics and damage, applications of ceramic/composites in engineering; glass – material and mechanical properties in general, glass fiber composites, material processing simulations, fracture mechanics and damage, and applications of glasses in engineering.

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Engineering Computations, vol. 16 no. 5
Type: Research Article
ISSN: 0264-4401

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Article
Publication date: 1 December 1964

J.R. Beattie

The mechanism of stress formation in glass under‐going conditions of rapid cooling, and the factors affecting the properties of the toughened glass produced are discussed…

Abstract

The mechanism of stress formation in glass under‐going conditions of rapid cooling, and the factors affecting the properties of the toughened glass produced are discussed. The application of techniques for measuring the temperature of glass, to the control and study of the toughening process are described.

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Aircraft Engineering and Aerospace Technology, vol. 36 no. 12
Type: Research Article
ISSN: 0002-2667

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Book part
Publication date: 13 March 2019

Susan Cosby Ronnenberg

The CW’s long-running horror-drama series Supernatural (2005–) has been accused of undoing progressive advances for women made by Buffy the Vampire Slayer (1996–2003)…

Abstract

The CW’s long-running horror-drama series Supernatural (2005–) has been accused of undoing progressive advances for women made by Buffy the Vampire Slayer (1996–2003). While it’s hard to deny the truth in that claim, Supernatural also problematizes conventional gender roles from a very different approach, one that plays with perceptions of masculinity and social class.

Buffy Summers may initially seem to have more in common with Supernatural’s Sam Winchester, a chosen one with special powers who wants a normal life away from the supernatural. However, Buffy shares more in common with Dean Winchester. Embodying popular gendered stereotypes in their introductions, it’s gradually revealed that there is more complexity to each. Both form alliances with Others; both recognize elements of the Other in themselves. Both transgress conventional gender boundaries, complicating the notion of a binary gender system. Both series introduce the seemingly familiar only to alter it into the uncanny. See the little cute blonde virginal cheerleader? She can kick your ass. See the stupid cocky womanizing jock? All he wants is family and a home. This chapter explores the increasingly gender-blended, social-class-crossing behaviours of Supernatural’s Dean Winchester as an heir to Buffy the Vampire Slayer.

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Gender and Contemporary Horror in Television
Type: Book
ISBN: 978-1-78769-103-2

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Abstract

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Progress in Psychobiology and Physiological Psychology
Type: Book
ISBN: 978-0-12-542118-8

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Abstract

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The Handbook of Road Safety Measures
Type: Book
ISBN: 978-1-84855-250-0

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Article
Publication date: 13 September 2011

V. Geža, A. Jakovičs, U. Krieger and B. Halbedel

The purpose of this paper is to investigate the outlet of a special glass melting system, which is used to control melt flow and modify flow pattern.

Abstract

Purpose

The purpose of this paper is to investigate the outlet of a special glass melting system, which is used to control melt flow and modify flow pattern.

Design/methodology/approach

Numerical calculations in ANSYS and ANSYS CFX were used to study electromagnetic, thermal, hydrodynamic and chemical mixing processes, results are validated by comparison with experimental data.

Findings

Obtained results show that investigated approach can improve glass melt chemical homogeneity significantly – Lorentz force driven melt movement in conjunction with diffusion process ensures good mixing quality.

Research limitations/implications

The mixing in glass melt is present only in azimuthal direction (in cylindrical coordinate system associated with outlet tube axis) but the radial homogenization is determined by diffusion only.

Practical implications

The experiments in JSJ GmbH with soda lime glass were successful and showed mixing effect in output material, thus providing additional method for glass production.

Originality/value

Although the electrical conductivity of glass is very low, the melt motion is generated by EM forces in this equipment, thus this approach is innovative in glass production technology where typical motion source is buoyancy or mechanical mixing.

Details

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, vol. 30 no. 5
Type: Research Article
ISSN: 0332-1649

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Article
Publication date: 1 January 2001

J. GLASS and B. BAICHE

The findings from a survey of attitudes amongst professional and trade (PT) groups in the UK construction industry in relation to the use of hybrid concrete construction…

Abstract

The findings from a survey of attitudes amongst professional and trade (PT) groups in the UK construction industry in relation to the use of hybrid concrete construction (HCC) are reported in this paper. Following a brief introduction to HCC, the context of the research presented here is explained. An account of the research methods used in the project is given, together with guidance on appropriate techniques for interviewing professional and trade groups in the construction industry. The findings from the survey are divided into two sections: areas of consensus and areas of disagreement. Conclusions are drawn relating to the future design, procurement and construction of buildings that incorporate HCC.

Details

Engineering, Construction and Architectural Management, vol. 8 no. 1
Type: Research Article
ISSN: 0969-9988

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Article
Publication date: 16 March 2015

Krishna C R Kolan, Albin Thomas, Ming C Leu and Greg Hilmas

The purpose of this paper is to utilize the selective laser sintering (SLS) process to fabricate scaffolds with complex pore shapes and investigate the effects of pore…

Abstract

Purpose

The purpose of this paper is to utilize the selective laser sintering (SLS) process to fabricate scaffolds with complex pore shapes and investigate the effects of pore geometry in vitro. The pore geometry of scaffolds intended for use in bone repair is one of the most important parameters used to determine the rate of bone regeneration.

Design/methodology/approach

Scaffolds with five different architectures, having approximately 50 per cent porosity, were fabricated with silicate (13–93) and borate (13–93B3)-based bioactive glasses using the SLS process. An established late-osteoblasts/early-osteocytes cell line was used to perform cell proliferation tests on the scaffolds. The cell-seeded scaffolds were incubated for two, four and six days followed by MTT assay to quantify the metabolically active cells.

Findings

The results indicated that the cells proliferate significantly more on the scaffolds which mimic the trabecular bone architecture compared to traditional lattice structures. The surface roughness of the SLS-fabricated scaffolds drives the initial cell proliferation which is followed by curvature-driven cell proliferation.

Originality/value

There have been very few studies on the effects of pore geometry on tissue growth and the existing reports do not provide clear indications. Instead of using bio-polymer or titanium-based scaffolds, we use bioactive glass scaffolds. The results obtained from this study add to the understanding of the effect of pore geometry on cell proliferation, which is based on the experimental data and analysis of the scaffolds’ surface curvature.

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Rapid Prototyping Journal, vol. 21 no. 2
Type: Research Article
ISSN: 1355-2546

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Article
Publication date: 1 November 2005

Donal G. McKillop, J. Colin Glass and Ann‐Marie Ward

This study uses a stochastic frontier analysis to evaluate the relative performance of UK credit unions over the period 1991 to 2001. The analysis found that UK credit…

Abstract

This study uses a stochastic frontier analysis to evaluate the relative performance of UK credit unions over the period 1991 to 2001. The analysis found that UK credit unions are subject to high levels of (gross) in efficiency. The analysis also revealed that the environment within which individual credit unions operate plays a critical role in the relative efficiency of credit unions. In terms of direction of influence, the analysis of environmental effects highlighted (main in sights) that larger credit unions are more cost efficient as are credit unions which do not draw their membership exclusively from areas of high deprivation. These directional influences were viewed as offering some encouragement to the thrust of the Financial Services Authority’s new policy regime for credit unions which may well result in a smaller number of larger credit unions each with a more varied membership mix.

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Managerial Finance, vol. 31 no. 11
Type: Research Article
ISSN: 0307-4358

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Article
Publication date: 1 June 1950

J.S. Glass and J. Kestin

WHEN evaluating engine efficiencies, mean effective pressures or the work done by the piston in internal combustion engines or compressors, it is generally assumed that…

Abstract

WHEN evaluating engine efficiencies, mean effective pressures or the work done by the piston in internal combustion engines or compressors, it is generally assumed that the state of the working fluid is uniform throughout its mass. From this it follows that the expression for work where P denotes pressure and V, volume, holds. Now, it is known that, strictly speaking, this expression applies only in the limiting case of zero piston velocity, when the motion of the piston, and the thermodynamic process in the cylinder are said to be quasi‐static. The question, therefore, poses itself as to how far such an assumption is justified, when applied to a modern high‐speed reciprocating engine, say, an aircraft or motorcar engine, when piston velocities of the order of 40 ft./sec. are encountered.

Details

Aircraft Engineering and Aerospace Technology, vol. 22 no. 6
Type: Research Article
ISSN: 0002-2667

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