OIL CHANGE It may cost a lot up front, but as prices rise, more are considering switching to gas heatErin Ailworth
Jessica Wolfe seeks to show how concepts ... A Keller - 《Renaissance Studies》 被引量: 23发表: 2006年 Ten years history of a real gas driven heat pump plant: Energetic, economic and maintenance issues based on a case study 10 years of operation, while facing the need for some major ...
This week, the local gas utility, Eversource, broke ground on a networked geothermal system that will connect to around 40 buildings, including low-income apartments, single-family homes, small businesses, and the neighborhood fire station. Instead of burning fossil fuels for heat, the...
Furthermore, rotary shafts of the control mechanism of the change-over valve are positioned within the bypass passage of the adsorber when the change-over valve is positioned to open the main exhaust passage. Thus, the heat of the exhaust gas flowing through the main exhaust passage is not ...
A gas tube which has a static impedance on the order of 10,000 ohms, but zero or negative dynamic impedance, and therefore can be used as a relay and transmits information with negligible loss as well. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The...
When increasing the ratio of the gas-to-liquid flow rates, experimental results highlight how a variation of the slug length and frequency contributes to a mode-switching phenomenon over time. This switching from the dominant first-mode frequency to the second-mode frequency leads to the ...
This was not due to a surge in low-carbon nuclear or renewable sources; instead it was the much-overlooked impact of fuel switching from coal to natural gas generation. This Perspective considers the enabling conditions in Great Britain and the potential for rapid fuel switching in other coal-...
Said deflector forms part of the switching chamber housing (3) and has a high heat capacity and/or heat conductivity, such that the switching gas is cooled in a highly efficient manner by turbulent convection of the switching gas turbulence (13) on the deflector (14, 140). Forms of ...
PROBLEM TO BE SOLVED: To simplify structure of a rotary type flow direction switching device of heating and cooling medium gas and achieve easy fabrication and cost reduction in a cooling and heating apparatus. ;SOLUTION: This flow direction switching device comprises a first switching path 6 commu...
interest in technology capable of harvesting the waste heat generated from energy conversion processes such as those in automobiles and thermal power plants has spiked, as an estimated two thirds of the required input energy is converted to heat18. As such, the identification of heat-driven process...