Search results for: “cooling chiller”
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NEL: green hydrogen technology review?
NEL is a green hydrogen technology company, headquartered in Oslo, listed on the Oslo Børs since 2014, and employing 575 people. It has manufactured 3,500 electrolyser units, going back to 1927, historically weighted to alkaline electrolysers, and increasingly focused on PEMs and hydrogen fuelling stations. This NEL technology review explores its patents.
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Albedo of different landscapes: a challenge for reforestation?
Forests are darker than their surroundings? So does their low albedo curb our enthusiasm for nature-based solutions? This data-file aggregates the average albedo of different landscapes. The albedo impact of reforestation seems numerically very small. There is even an intriguing link where forests can increase the formation of clouds, which have the highest average albedo…
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Prysmian: power cable technology breakthroughs?
Prysmian scores well on our patent assessment framework. We conclude an array of incremental improvements and industry specializations confer a partial moat and helps to de-risk future installation work.
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Energy security: volcanos versus solar panels?
Every 30-years on average, a giant volcano erupts, ejecting >10km3 of debris, including aerosols that dim the sun and temporarily cool the planet by 0.5-1C. After Mount Pinatubo erupted in 1991, US solar insolation fell by 20% in 1992. What implications for global energy security and energy transition?
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Industrial energy and electricity consumption by sector?
The average factory consumes 9GWH of energy per year, of which 5GWH is thermal heat and 4GWH is electricity. Of the electricity c50% is for rotating machinery, c10% for electric heat, c10% for process cooling, c7% for electrochemical processes, c10% for facility HVAC and c6% for lighting.
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Power generation: sensitivity to high-temperature heatwaves?
This data-file aims to provide a simple model for how generally well-covered grids can fail catastrophically during a heatwave. We have drawn on technical papers to quantify the deterioration of solar, gas, transmission and distribution losses, wind and other generation sources at higher temperatures.
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Construction materials: a screen of costs and CO2 intensities?
This data-file calculates the costs, the embedded energy and the embedded CO2 of different construction materials, both during their production and for ongoing heating and cooling. Insulated wood and cross-laminated timber have the lowest CO2 intensities and can be extremely cost competitive.
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