Elec Archives - Page 3 of 19 - Engineers Journal

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Could ultracapacitors replace batteries in future electric vehicles?April 23, 2019

Ultracapacitors have been making the news of late but could they viably replace batteries in the EVs of the future?

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A Jetsons future? Assessing the role of flying cars in sustainable mobilityApril 23, 2019

A study of the environmental sustainability impacts of flying cars, formally known as electric vertical takeoff and landing aircraft, or VTOLs, finds that they wouldn't be suitable for a Jetsons-style short commute

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Five things to consider before speed limiters are added to carsApril 9, 2019

The recent announcement that EU rules for fitting speed limiters to new cars from 2022 was welcomed by many as a move that will save lives. However, not everyone is convinced by this 'guardian angel' technology, writes John McDermid

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What Cape Town’s drought can teach other cities about climate adaptationApril 9, 2019

Cities need to build their capacity to adapt to this range of impacts, and one of the best ways to do this is to learn from other cities’ experiences. One very recent case that cities are watching is Cape Town’s severe drought and the threat of 'Day Zero' – when the city’s taps were due to run dry

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Energy monitor can find electrical failures before they happenApril 9, 2019

Sensor can monitor wiring in a building or ship, and signal when repairs are needed

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Cyclone Idai: Rich countries are to blame for disasters like this – here’s how they can make amendsApril 9, 2019

We have about 12 years to prevent the Earth’s climate from crossing the 1.5℃ warming threshold, beyond which the effects are likely to become significantly worse. The west has a duty to shoulder most of the burden, and to do so, it needs to rethink its entire approach to international development

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Identifying energy retrofit opportunities in commercial and public buildingsMarch 26, 2019

Identifying energy retrofit investment opportunities is a big challenge that is being addressed by the Horizon 2020 ENERFUND project, and both it and other innovative tools are likely to become more and more influential in developing the energy retrofit market, writes Michael Hanratty

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How power-to-gas technology can be green and profitableMarch 26, 2019

Economists map out an economically viable path to renewables-based hydrogen production

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Rainfall changes for key crops predicted even with reduced greenhouse gas emissionsMarch 26, 2019

By 2040, rainfall on wheat, soybean, rice and maize will have changed, even if the Paris Agreement emissions targets are met; projections show parts of Europe, Africa, the Americas and Australia will be drier, while the tropics and north will be wetter

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Autonomous vehicles could be an environmental boon or disaster, depending on public policyMarch 26, 2019

Widespread use of autonomous vehicles (AVs) could either massively increase or drastically cut greenhouse gas emissions depending, in large part, on public policy, according to new research

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Chernobyl: How bad was it?March 12, 2019

A scholar’s book uncovers new material about the effects of the infamous nuclear meltdown

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Seven ways electric vehicles are set to change the futureMarch 12, 2019

With electric vehicle production and uptake set to grow rapidly over the next decade or so, what might the near future look like?

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Discovering the next generation of catalystsMarch 12, 2019

The use of solar and wind energy must be doubled over the next 30 years. Catalysts that can ensure the storage of solar and wind energy in fuels and chemicals will play an increasingly important role. Now researchers have developed a method that makes it easier to find better and cheaper catalysts

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Water: Underground source for billions could take more than a century to respond fully to climate changeFebruary 26, 2019

While climate change makes dramatic changes to weather and ecosystems on the surface, the impact on the world’s groundwater is likely to be delayed, representing a challenge for future generations, write Mark Cuthbert, Kevin Befus and Tom Gleeson

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Earth may be 140 years away from reaching carbon levels not seen in 56 million yearsFebruary 26, 2019

A study finds humans are pumping carbon dioxide into the atmosphere at a rate of nine to 10 times higher than the greenhouse gas was emitted during the Paleocene-Eocene Thermal Maximum, a global warming event that occurred roughly 56 million years ago

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The future of ocean energy conversionFebruary 26, 2019

Know everything about ocean energy conversion and new emerging technologies in the sector

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Come hell or high water: Jerry Grant’s Uganda journeyFebruary 12, 2019

Following a recent trip to Uganda, former Irish Water managing director Jerry Grant is working with GOAL and Ireland's water engineering community to put a framework in place to support Water, Sanitation and Hygiene programmes (WASH) in developing communities, and believes that this will not just help people in desperate need but also reflect well on Irish engineers

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Adiabatic cooling and energy saving in a data centreFebruary 12, 2019

The energy consumption of the cooling process in data centres can be up to 40% of the total used. With the support of SEAI’s Excellence in Energy Efficient design (EXEED) programme, SmartPower's Donal Deering investigated the use of a new innovative adiabatic cooling system for the Cork Internet Exchange

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Underwater tests on built infrastructure: Finally, a book shines some light on the processJanuary 29, 2019

UCD's Barry Brophy writes that it took 10 years to produce the first book in the field of underwater structural health monitoring - pulp fiction it is not

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Luxembourg’s free public transport sounds great, but it won’t help people get from A to BJanuary 29, 2019

The whole idea of free public transport is utterly simplistic because of the complex, interrelated composition of demographic, socioeconomic and geopolitical issues at stake, write Constance Carr and Markus Hesse

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