20/05/2014

Hi How Your Life aims to boost both engineering and equality!?!

Hi How Your Life aims to boost both engineering and equality!?!


Earlier this month, the Chancellor launched Your Life, a campaign that promotes greater participation in physics and maths and aims to change how women and girls in particular are encouraged to consider engineering careers and the subject choices or vocational pathways that lead to them. 
As part of this campaign, Engineering UK – along with more than 170 other signatories - pledged to work in partnership with educators, industry and government to boost female participation in technology and engineering.
This acknowledgement of the importance of physics and maths skills as drivers in the global economy is very welcome, and Engineering UK - along with other professional bodies - has been working with Government departments to help shape tangible actions and real, measurable goals.

"Although equality in engineering is a goal of Your Life, it’s just as important to increase the total number of engineers."

The “Your Life” campaign consists of a three-pronged approach to change: a communications campaign, promoting physics and maths A-level with emphasis on girls aged 14-16; the establishment of Maths and Physics “Chairs” - postgraduates recruited to bring their subject expertise into schools; and the “Call to Action” pledges by those from across the sector to increase the numbers of women in engineering. The campaign complements the work of Engineering UK and partner organisations to engage more young people in science, technology, engineering and maths (STEM) - and we are working closely with the DfE, which is leading on the campaign from Government – to ensure our activities dovetail.
The campaign has some ambitious aspirations attached to it. Together with the pledges made by the STEM community, the aim is to increase the number of boys and girls taking physics A-level by 50% in three years. Such positive change comes with its own challenges, of course. If we are to accommodate and benefit from an increased uptake of maths and physics at A-level, we must press for further capacity in engineering education post-18.
For our part, Engineering UK continues to develop and grow active channels of engagement. Together with the Royal Academy of Engineering, we have been leading on the delivery of the Tomorrow’s Engineers programme, working with 11-14 year olds in schools across the UK, since 2010. A partnership across the profession, the Tomorrow’s Engineers programme has grown to include the activities of several of the larger professional engineering institutions, with the ICE, IET and IMechE all represented on the Programme Board. However, if we are to make a change on the national scale that’s needed, we have to reach even more young people. That’s why, building on feedback from hundreds of employers, Tomorrow’s Engineers plans to facilitate a national programme of engineering employer engagement in schools by joining up other networks and initiatives at a regional level; coordinating activity to improve reach and impact; and sharing best practice.

During the school summer term this year, we are running a pilot of this approach in the North East and South East, where a Tomorrow’s Engineers Regional Partnership Manager will work with employers and schools, building on existing schools engagement activity and learning from each how activity can be best coordinated to meet their needs.
We are planning Tomorrow’s Engineers Week for November, working in partnership with businesses, educators and Call to Action signatories.  The Week will take place from 3 – 7 November and will provide the focus for a wide range of activities at a local level and include a national media campaign. Providing a hook for the engineering community to promote its activity, we aim to highlight the diversity, opportunity and reward on offer from a career in engineering, with a focus on engaging with 11-14 year olds.

It’s vital we understand how we're doing in our collective aim to inspire the next generation of engineers. We monitor hard measures of the pipeline of tomorrow’s engineers, such as the numbers of young people taking GCSEs and A Levels in physics and the numbers going into an engineering apprenticeship or to an engineering degree. And we measure and track the impact of our collaborative efforts on the perceptions of young people, their parents and influencers through the annual Engineering Brand Monitor – we expect the 2014 results in July.

The UK needs more engineers, and the high profile campaign launch and commitments it contains are a great indication that the Government is taking seriously the role of STEM in securing the future of engineering and of our economy. The Tomorrow’s Engineers programme focuses on engaging with employers and coordinating activity in schools to inspire young people and create the next generation of engineers and if you would like to play a part in that, get in touch.





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Hi Green Tip #4: Hi Size and Select Fans Near Their Peak Total Efficiency.

Even the most efficient fan models can operate inefficiently if improperly sized.Fans selected close to their peak total efficiency (pTE) will use less energy. The 2012 International Green Construction Code requires selections within 10% of peak efficiency, and ASHRAE Standard 90.1,

Energy Standard for Buildings Except Low-Rise Residential Buildings, is considering language that would require a 15% allowable range. If a fan is selected to operate more than 15 point below its peak efficiency, it is probably undersized to result in the lowest purchase price (first cost). The smaller, less-expense fan will have to run much faster with higher levels of internal turbulence than its larger cousin to meet the required air flow, thus consuming a lot more energy.The cost difference to select a larger fan closer to peak operating efficiency is very small when compared to the energy saved.

Simple payback for 10% selections is usually less than one year. Smaller fans operating faster will also require more maintenance and earlier replacement. Smaller fans generate more noise as well.Below is a table showing the output from a fan manufacturer's sizing and selection program. All of the fans in the table would "do the job" of providing the required airflow at the required pressure.

The fan sizes range from 18-inches in diameter to 36-in. Notice that as the fan diameter increases, the fan speed decreases, as does the fan power (expressed as "brake horsepower"). The red region of the table indicates poor fan selection practice - none of these fans have an actual total efficiency (at the airflow and pressure required) within 15 points of peak total efficiency. The green region indicates proper fan selection process - all have an actual total efficiency within 15 points of peak total efficiency.

Note that the 30-in. diameter fan consumes roughly half the power of the 18-in. fan. The lowest cost fan shown is probably the 20-in. fan, with an efficiency of 49%, 29 points off the peak. If this fan runs 6,000 hours per year at a utility rate of 10 cents per kwh, it will cost $4,300 a year to operate. A more efficient selection might be the 24-in. fan because it is "Class I" and complies with both ASHRAE 90.1 and the Green code requirements. It has an actual efficiency of 69%, 10 points less than the peak efficiency of 79%. This fan would cost $3,100 to operate, which is probably more than the fan itself costs. A more efficient 30 inch selection is only 1 point from its peak efficiency of 83% and will consume only $2,600 per year, saving $500 a year relative to a 24-in. fan, and $1,700 a year over the lowest cost fan. Generally, the difference in initial cost of the most efficient fan selection is paid back in less than 5 years over more common less efficient alternatives. Perhaps this observation will bring it home.

Most fans consume more each year in energy cost than they are worth. So, when you buy a fan, think of it as a liability, not an asset. Your objective should be to make the liability placed on those who will pay future energy bills as low as possible. The leverage implicit in choosing a larger, more efficient fan is much greater than most people appreciate. And fans last a long time – 20 years plus – so choose wisely.The bottom line is this. Right-sizing a fan can yield energy savings and generate a lot of operating cost savings for the facility owner or occupants for many, many years.

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