Sentences with phrase «without heat efficiency»

Not exact matches

In theory, 30 % energy - conversion efficiency is the upper limit for traditional single - junction solar cells, as most of the solar energy that strikes the cell passes through without being absorbed, or becomes heat energy instead.

It basically means heat has a hard time hanging around the braking surfaces and is dissipated quickly and efficiency, thus repeated heavy use of the brakes may be used without hindering stopping performance.

I am always glad to find one of the few who understand that you can not convert kWhrs of heat to kWhrs of electricity without considering efficiency of the heat engine involved.

The extended time during which the plant can run without solar radiation and the improved efficiency of using solar heat mean that Gemasolar's production is much greater than that which can be achieved with other technologies in an equally powerful facility.

Passive House sets the ultimate standard in thermal efficiency which means inhabitants benefit from perfectly comfortable temperatures all year round, without the need for gas and oil central heating, resulting in huge annual savings as well as massive environmental benefits.

Flouride salts hold heat almost as well as water, so make for good coolant, but remain liquid up to 1300C, so unlike water - cooled reactors can operate at higher temperatures, for better efficiency, and without pressurized vessels, making them both safer and less costly.

Obama started with the «necessarily more expense» and «they can build it but we will bankrupt them» memes without considering that each percentage increase in coal fired efficiency has a 2 % reduction in emissions.; A relatively inexpensive coal fired power plant providing electric and heating hot water can be 60 % efficient in the proper season while providing electricity to replace coal, charcoal, etc. for home use.

• Reduced annual electricity consumption costs by 20 % through installation of energy saving devices without effecting lighting or power efficiency and quality • Trained 4 apprentices and implemented the National Electric Code to book at the firm • Fixed a major issue with an electrical transformer saving the client an expense of up till $ 20k • Detected and dealt with a minor current leakage in a pre-installed electrical heating system and saved the company from a big accident

It seems like a lot of that efficiency is lost because the whole house is cooled / heated (without buying one of those more expensive zoned system ones).