Showing 1 - 10 of 72
The direct air-cooled power generating units subjected to the environmental natural wind were influenced by the cluster effect of the axial flow fan cluster and the exhaust hot air recirculation simultaneously. The coupling effects would lead to complex variations of fan cooling capacity in...
Persistent link: https://www.econbiz.de/10011053916
A two-stage ORC (organic Rankine cycle) is proposed, by which low-grade heat of exhaust flue gas of a 123.5 MW gas-steam combined cycle power generating unit, as well as the cryogenic energy of LNG (liquefied natural gas) can be effectively recovered and utilized. R227ea and R116 are selected...
Persistent link: https://www.econbiz.de/10011264386
Persistent link: https://www.econbiz.de/10010053127
Air-cooled condenser in power plants takes a risk of freezing in extremely cold days, so it is of benefit to the safe and economical operation of direct dry cooling system to propose the anti-freezing principles and take measures. On the basis of the heat load balance between the exhaust steam...
Persistent link: https://www.econbiz.de/10010776558
The addition of nanoparticles to molten salt can enhance its utility as a thermal energy storage material for concentrating solar power plants. The heat transfer property of solar salt loaded with Al2O3 nanoparticle is investigated by molecular dynamics simulations. The results show that the...
Persistent link: https://www.econbiz.de/10013302565
Nickel supported on SBA-15 doped with CeO<sub>2</sub> catalysts (Ni-CeO<sub>2</sub>/SBA-15) was prepared, and used for steam reforming of toluene which was selected as a model compound of biomass gasification tar. A fixed-bed lab-scale set was designed and employed to evaluate the catalytic performances of the...</sub>
Persistent link: https://www.econbiz.de/10011031262
Instance reduction is aimed at reducing prohibitive computational costs and the storage space for instance-based learning. The most frequently used methods include the condensation and edition approaches. Condensation method removes the patterns far from the decision boundary and do not...
Persistent link: https://www.econbiz.de/10012043675
The deteriorating labor market position of young men has arguably played an important role in later and less frequent marriage since the 1970s. This dissertation examines the relationship between men’s socioeconomic characteristics and marriage formation and the labor market causes of marriage...
Persistent link: https://www.econbiz.de/10009439049
The deteriorating labor market position of young men has arguably played an important role in later and less frequent marriage since the 1970s. This dissertation examines the relationship between men's socioeconomic characteristics and marriage formation and the labor market causes of marriage...
Persistent link: https://www.econbiz.de/10009439188
This study investigated multiple aspects of vulnerability to HIV in out-of-school adolescents and youth in Yunnan Province, a high HIV risk region in China. The findings show that socially disadvantaged adolescents and youth were overrepresented in the out-of-school young people in Yunnan. The...
Persistent link: https://www.econbiz.de/10013167101