And when the solar irradiation is larger than 700 W/m2, and water temperature of 13 °C, the maximum instantaneous electrical power output was found to be 0.659 W at the load resistance 4.2 Ω, and the power generation efficiency of the thermoelectric generator (TEG) is 1.956%, which is close to that of a low temperature organic Rankine cycle system.
Higher power generation efficiency means less amount of fuel is used to generate the rated power which will result in better economics and reduced formation of green house gases (Kristiansen 1996).
Owing to the introduction of biomass input in the proposed system, the power generation efficiency is insensitive to solar radiations and times, and thus an efficient and stable utilization approach of solar energy and biomass is achieved at all work conditions.
To optimize the daily performance of solar thermoelectric generator under real meteorological conditions, the daily power generation and daily power generation efficiency are discussed, and approaches obtaining the optimal daily performance are proposed.
Owing to the introduction of a the solar thermochemical energy storage in the proposed system, the power generation efficiency is insensitive to the variations of the solar radiation, and thus an efficient and stable utilization approach of the solar thermal energy is achieved at all work condition.
The power generation efficiency per unit mass of Pt became 33 W g−1.
This paper aims at improving power generation efficiency of marine diesel engine waste heat recovery systems.
It attained 45.6% net power generation efficiency and 3.5 US¢/kW h cost of electricity.
The power generation efficiency in the liquid-phase region and two-phase region is about 3.48%.
The estimated power generation efficiency is 0.25 and heat recovery efficiency is 0.65.
Moreover, LNG cold energy was used as heat sink to improve the electrical power generation efficiency of the process.
