The Investigation and Analysis of Factors that Limit Penetration of Tubulars in Horizontal Oil Wells (2003)
Thesis
McCourt, I. The Investigation and Analysis of Factors that Limit Penetration of Tubulars in Horizontal Oil Wells. (Thesis). Napier University. http://researchrepository.napier.ac.uk/Output/2254603

To carry out remedial work in the oil producing wells through the production tubing string, a method using a continuous length of steel tubing or coiled tubing is used, that allows quick access to the well. Coiled tubing can also be used for drilling... Read More about The Investigation and Analysis of Factors that Limit Penetration of Tubulars in Horizontal Oil Wells.

Unconventional Hamilton-type variational principle in phase space and symplectic algorithm. (2003)
Journal Article
Luo, E., Huang, W., & Zhang, J. (2003). Unconventional Hamilton-type variational principle in phase space and symplectic algorithm. SCIENCE CHINA Physics, Mechanics and Astronomy, 46, 248-258. https://doi.org/10.1360/03yg9033

By a novel approach proposed by Luo, the unconventional Hamilton-type variational principle in phase space for elastodynamics of multidegree-of-freedom system is established in this paper. It not only can fully characterize the initial-value problem... Read More about Unconventional Hamilton-type variational principle in phase space and symplectic algorithm..

Torsional behaviour of rectangular hollow sections (2003)
Journal Article
Ridley-Ellis, D., Owen, J. S., & Davies, G. (2003). Torsional behaviour of rectangular hollow sections. Journal of Constructional Steel Research, 59, 641-663. https://doi.org/10.1016/S0143-974X%2802%2900060-3

The results of a series of full-scale torsion tests on rectangular hollow sections (RHS) are presented and discussed. The observed torque–twist behaviour is compared to that predicted by an extended version of Marshall’s simplified thick wall torsion... Read More about Torsional behaviour of rectangular hollow sections.

Using cursor measures to determine appropriate computer input assistance for motion-impaired users (2003)
Presentation / Conference Contribution
Clarkson, P., Hwang, F., Keates, S., Langdon, P., & Clarkson, P. J. (2002, October). Using cursor measures to determine appropriate computer input assistance for motion-impaired users. Presented at Conference Proceedings. Second Joint EMBS-BMES Conference 2002 24th Annual International Conference of the Engineering in Medicine and Biology Society. Annual Fall Meeting of the Biomedical Engineering Society, Houston, TX, USA

People with motion-impairments can often have difficulty with accurate control of standard pointing devices for computer input. The nature of the difficulties may vary, so to be most effective, methods of assisting cursor control must be suited to ea... Read More about Using cursor measures to determine appropriate computer input assistance for motion-impaired users.

Acquisition, efficiency and scale economies: An analysis of the British bus industry (2002)
Journal Article
Cowie, J. (2002). Acquisition, efficiency and scale economies: An analysis of the British bus industry. Transport Reviews, 22(2), 147-157. https://doi.org/10.1080/014416400110076267

The British Bus industry has undergone considerable transformation since privatization. Five major operators have emerged to dominate the market, a position almost exclusively attained through acquisition. This paper reviews the economies of scale ar... Read More about Acquisition, efficiency and scale economies: An analysis of the British bus industry.

Life cycle assessment of aluminium-clad timber windows. (2002)
Thesis
Asif, M. Life cycle assessment of aluminium-clad timber windows. (Thesis). Napier University. http://researchrepository.napier.ac.uk/id/eprint/2505

Over the last century a temperature rise of 0.6 C m global climate and the affiliated greenhouse effects have inflicted enormous impacts in the form of natural catastrophes, economical losses, health problems and seasonal disorder. If human activitie... Read More about Life cycle assessment of aluminium-clad timber windows..

Investigating haptic assistive interfaces for motion impaired users: force-channels and competitive attractive-basins. (2002)
Presentation / Conference Contribution
Langdon, P., Hwang, F., Keates, S., Clarkson, P. J., & Robinson, P. (2002, July). Investigating haptic assistive interfaces for motion impaired users: force-channels and competitive attractive-basins. Presented at EuroHaptics 2002, Edinburgh, UK

Following a pilot study that suggested that force-feedback gravity wells could, under certain conditions, lead to 20- 50% improvements in time to target in a selection task, a series of experiments further investigated the potential for enhancement o... Read More about Investigating haptic assistive interfaces for motion impaired users: force-channels and competitive attractive-basins..

Assistive haptic interfaces for motion-impaired users. (2002)
Presentation / Conference Contribution
Hwang, F., Keates, S., Langdon, P., & Clarkson, P. J. (2002, October). Assistive haptic interfaces for motion-impaired users. Paper presented at 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, Houston, Texas, USA

No abstract available.

A numerical study of the behaviour of a gas-liquid interface subjected to periodic vertical motion. (2002)
Journal Article
Valha, J., Lewis, J. S., & Kubie, J. (2002). A numerical study of the behaviour of a gas-liquid interface subjected to periodic vertical motion. International Journal for Numerical Methods in Fluids, 40, 697-721. https://doi.org/10.1002/fld.370

A numerical study has been undertaken to examine the behaviour of a gas liquid interface in a vertical cylindrical vessel subjected to a sinusoidal vertical motion. The computational method used is based on the simplified marker-and-cell method and i... Read More about A numerical study of the behaviour of a gas-liquid interface subjected to periodic vertical motion..

Accommodating older users' functional capabilities. (2002)
Presentation / Conference Contribution
Dong, H., Keates, S., & Clarkson, J. (2002, September). Accommodating older users' functional capabilities. Paper presented at A New Research Agenda for Older Adults, London

No abstract available.

Providing access to e-information for older adults (2002)
Presentation / Conference Contribution
Keates, S., Clarkeson, J., & Robinson, P. (2002, September). Providing access to e-information for older adults. Paper presented at A New Research Agenda for Older Adults, London

No abstract available.

A study of the powder processing, tribological performance and metallurgy of Aluminium-based, discontinuously reinforced metal matrix composites (2002)
Thesis
Mitchell, C. A. A study of the powder processing, tribological performance and metallurgy of Aluminium-based, discontinuously reinforced metal matrix composites. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/3807

The principal objectives of the research reported in this thesis are: to determine the effect that sinter time has on the metallurgical behaviour of alumina-reinforced aluminium-606lmatrix composites; compare and assess the wear resistance of alumina... Read More about A study of the powder processing, tribological performance and metallurgy of Aluminium-based, discontinuously reinforced metal matrix composites.

Relationships between mechanical properties, weight loss and chemical composition of wood during incipient brown rot decay. (2002)
Journal Article
Curling, S., Clausen, C. A., & Winandy, J. E. (2002). Relationships between mechanical properties, weight loss and chemical composition of wood during incipient brown rot decay. Forest Products Journal, 52, 34-39

Incipient decay of wood by brown-rot fungi causes measurable strength losses in wood before measurable weight loss occurs. Previous studies have shown that the high levels of strength loss that occur during incipient brown-rot decay may be related to... Read More about Relationships between mechanical properties, weight loss and chemical composition of wood during incipient brown rot decay..

Residual fracture toughness of normal- and high-strength gravel concrete after heating to 600°C. (2002)
Journal Article
Zhang, B., & Bicanic, N. (2002). Residual fracture toughness of normal- and high-strength gravel concrete after heating to 600°C. Materials Journal, 99, 217-226

Fracture toughness represents the resistance of concrete to cracking and fracture, and is significantly influenced by heating scenarios such as heating temperature and exposure time. In this paper, two parameters—the classic fracture toughness and th... Read More about Residual fracture toughness of normal- and high-strength gravel concrete after heating to 600°C..

Relationship between brittleness and moisture loss of concrete exposed to high temperatures. (2002)
Journal Article
Zhang, B., Bicanic, N., Pearce, C. J., & Phillips, D. V. (2002). Relationship between brittleness and moisture loss of concrete exposed to high temperatures. Cement and Concrete Research, 32(3), 363-371. https://doi.org/10.1016/S0008-8846%2801%2900684-6

The effect of moisture loss at high temperatures on the brittleness of concrete was investigated by conducting three-point bending tests on preheated notched beams. The relationships of moisture loss represented by mass loss with heating temperature... Read More about Relationship between brittleness and moisture loss of concrete exposed to high temperatures..

One safeguard too many (2001)
Journal Article
Kubie, J. (2001). One safeguard too many. Engineering Management, 11(2), 67-76. https://doi.org/10.1049/em%3A20010208

To protect against accidents and their consequences, companies may take one of several courses of action. They can choose to do nothing, and live with an 'acceptable risk', or they may invest heavily in training, technology, preventive maintenance an... Read More about One safeguard too many.

Direct electric curing of mortar and concrete. (2001)
Thesis
Heritage, I. Direct electric curing of mortar and concrete. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/6571

Direct electric curing is the method by which the hydration reactions within concrete are
thermally accelerated by passing an alternating electric current through the sample. This
use of electricity as a means of supplying heat to young concrete an... Read More about Direct electric curing of mortar and concrete..

Haptic assistance to improve computer access for motion-impaired users (2001)
Presentation / Conference Contribution
Hwang, F., Langdon, P., Keates, S., & Clarkson, J. (2001, July). Haptic assistance to improve computer access for motion-impaired users. Presented at Eurohaptics 2001, Birmingham, UK

This paper describes a pilot experiment which examines the effectiveness of using force-feedback technology to assist motion-impaired computer users in target selection tasks. Two measures to evaluate the effectiveness of force feedback assistance ar... Read More about Haptic assistance to improve computer access for motion-impaired users.

Combining utility, usability and accessibility methods for universal access (2001)
Presentation / Conference Contribution
Keates, S., & Clarkson, P. J. (2001, March). Combining utility, usability and accessibility methods for universal access. Presented at CHI 2001: Anyone. Anywhere, Seattle, USA

It is known that many products are not accessible to large sections of the population. Designers instinctively focus on providing the necessary utility for someone with their physical and skill capabilities. They are either unaware of the needs of us... Read More about Combining utility, usability and accessibility methods for universal access.

How to assess whether new technology is necessarily better technology. (2001)
Presentation / Conference Contribution
Clarkson, J., Harrison, L.-A., & Keates, S. (2001, April). How to assess whether new technology is necessarily better technology. Paper presented at International Conference on Inclusive Design and Communications (INCLUDE 2001), London, UK

In 2002, 1000 million of the world population will have a noticeable degree of functional impairment (1). It is well established that impairments such as hearing and vision are degenerative and associated with increasing age. In response to these cha... Read More about How to assess whether new technology is necessarily better technology..