Engineering Science & Education Journal
Volume 10, Issue 2, April 2001
Volumes & issues:
Volume 10, Issue 2
April 2001
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- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 42 –43
- DOI: 10.1049/esej:20010201
- Type: Article
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- Author(s): K. Brown
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 44 –48
- DOI: 10.1049/esej:20010202
- Type: Article
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44
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Using published data this paper analyses the trends in the numbers of students entering higher education and the qualifications that they had on entry. It analyses the post-16 qualification of the student that feed the higher education (HE) system and concludes that the numbers of students with vocationally-related qualifications are showing the most worrying decline. The paper sets the scene for the radical changes taking place to the post-16 and which commenced in September 2000. - Author(s): B. Halliday
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 49 –60
- DOI: 10.1049/esej:20010203
- Type: Article
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49
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Vacuum today plays an increasing part in the engineering and scientific fields. It is used for many purposes in industry and scientific research, from single vacuum forming of domestic utensils and assisting in applying brakes in cars and trains, to the complex requirements of the semiconductor industry and the reduced molecular density required for nuclear particle accelerators. The pressure range encompasses 15 orders of magnitude at the present time. This paper endeavours to describe the basic behaviour of gases in this field, the production and measurement of vacuum, and some of the applications and systems used. - Author(s): K.K. Tan and C.Y. Soh
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 61 –67
- DOI: 10.1049/esej:20010204
- Type: Article
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61
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The paper presents the development of a practical training system for graduates that allows instruments to be monitored and controlled over the Internet. The system takes the form of an online experiment in which students situated at remote locations can control, and obtain real-time measurements and experimental data from, instruments connected to a host computer via a GPIB interface. The “Internet” element not only provides students with independent and remote access to the experiment, but also gives them an insight into how a GPIB-interconnected system (whether in a laboratory or factory setting) can be remotely monitored and controlled over a long distance. The paper describes both the hardware and software design considerations that have enabled users to manipulate instruments remotely and effectively using a commonly available Web browser. - Author(s): M. Williamson
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 68 –74
- DOI: 10.1049/esej:20010205
- Type: Article
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68
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Electronic components and subsystems for spacecraft have been under development since the late 1950s, both stimulation and benefiting from the parallel development of terrestrial electronics. This article, uses examples from the early history of spaceflight-both unmanned and manned-to illustrate how the field of spacecraft electronics has developed in the key subsystems of power, control and communications. - Author(s): G. Laverty
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 75 –80
- DOI: 10.1049/esej:20010206
- Type: Article
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75
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During the last few years, there has been much progress in understanding the nature of electric arc accidents and their potential impact on nearby workers. Many thousands of workers are potentially at risk, including those who work in industrial environments such as chemical plants and oil refineries, as well those who work more obviously with electricity in utilities etc. While the removal of risk itself must always be the prime goal, the role of adequate personal protective equipment in providing protection from involuntary arc incidents cannot be overlooked. The ideal solution, therefore, is to create a protective system that, from a combination of weight and layers, strikes an optimum balance between thermal protection and comfort. The design of the garments can also make a difference to the overall comfort and the thermal protective performance: loose-fitting clothing provides additional thermal protection due to air spaces between the fabric and the body. The fabric system must also be durable, in order to be financially viable to the employer supplying the PPE. Aramid fibres, such as DuPont's NOMEX brand fibres can meet the requirements of many situations. NOMEX fibre has inherent flame resistance, does not ignite, melt or continue to burn in the event of an arc accident, resists thermal break-open and insulates the wearer from the incident heat energy. - Author(s): P.J. Kerry
- Source: Engineering Science & Education Journal, Volume 10, Issue 2, p. 81 –87
- DOI: 10.1049/esej:20010207
- Type: Article
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81
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EMC is an important part of the ever-changing world in which we now find ourselves. Society is increasingly dependent on radio, telecommunications and electronic products, but their use is only possible if the necessary EMC criteria are met. However the criteria of the last century will not necessarily be those required for the one that we have just entered. EMC is no longer a backwater of engineering where we can afford to leave the problems to the “experts”; it is and area where every engineer needs to become involved. Undoubtedly EMC has made significant strides forward during the past decade, but further progress is necessary if we are to ensure that we continue to enjoy a relatively interference-free environment in the years to come. This paper looks at the six major challenges that need to be tackled if we are to be successful in controlling EMC in the new millennium. - Source: Engineering Science & Education Journal, Volume 10, Issue 2, page: 87 –87
- DOI: 10.1049/esej:20010208
- Type: Article
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87
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- Source: Engineering Science & Education Journal, Volume 10, Issue 2, page: 88 –88
- DOI: 10.1049/esej:20010209
- Type: Article
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88
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(2 pages)
Renewable energy: 10% by 2010
The downward slope: engineering HE and vocational qualifications in terminal decline?
Vacuum environments created for engineering applications
Instrumentation on the Internet
The early development of spacecraft electronics
Measuring the performance of fabric systems to protect against the thermal effects of electric arcs
EMC in the new millennium
Conference Report: Europe, the IEE and UK electrical engineering education
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