Sentence examples for heat collection efficiency from inspiring English sources
In particular, two-stage collectors and heat storage units are adopted to improve heat collection efficiency.
When the solar radiation intensity is different from the design work condition, the total energy and exergy efficiencies in winter decrease approximately by 4.7% and 2.2%, respectively, due to the decrease in solar heat collection efficiency.
The calculations for the landfill gas were based on the following assumptions: Content of CH4 in landfill gas xCH4 (55%) Collection efficiency (25%) Heating value of CH4 (37.8 MJ Nm−3) Efficiency of electricity production (30%).
The generated electricity is about 1281.5 MJ/year; the heat collection is about 4639.6 MJ; and the annual integrative efficiency is 60%.
Modeling results predict that SWP cycle with 1 solar reheating stage has a potential to generate electricity with sun-to-electricity efficiencies greater than 30% at solar heat collection temperature as low as 750 K.
(2) Compared with the traditional single-stage collectors, two-stage collectors connected with the heat exchangers by two thermal oil cycles can improve the collector efficiency by 8.1 20.9% in the simultaneous processes of heat collection and power generation.
The laboratory test results demonstrate that significant energy conversion efficiency improvement can be achieved for both electricity generation and heat collection by the presented BIPVT roofing system.
In this paper, a novel design of heat collecting component for a flat plate solar collector is presented and a numerical study on this solar collector collection efficiency by computational fluid dynamics (CFD) method is conducted.
We also tested thermal efficiency under different conditions and found that collection efficiency increases by up to 50% with the use of latent heat storage.
The results indicate that the optimal solar heat collection temperature is approximately 900 °C, the pressure ratio of the air compressor is 20, and the energy and exergy efficiencies reach 67%and55%5%, respectively.
external collection efficiency.
