Showing 1 - 10 of 21
To achieve energy saving and emission reduction for vehicle diesel engines, the organic Rankine cycle (ORC) was employed to recover waste heat from vehicle diesel engines, R245fa was used as ORC working fluid, and the resulting vehicle diesel engine-ORC combined system was presented. The...
Persistent link: https://www.econbiz.de/10011030693
A dynamic evaporator model of air source heat pump (ASHP), considering the ratio of the latent heat to sensible heat of wet air, is presented to analyze the performance of ASHP under frosting. The performance parameters, such as the heating capacity, COP and the outlet temperature of compressor,...
Persistent link: https://www.econbiz.de/10010603013
The contents, speciation, source factors and potential ecological risks of the selected metals (Cr, Ni, Cu, Pb, Zn, Cd and As) were analyzed in surface sediments from Daya Bay (DYB). The results show that, with the exception of Pb, metal concentrations have decreased at all sites over the past...
Persistent link: https://www.econbiz.de/10011096198
Persistent link: https://www.econbiz.de/10010539258
Wind resource assessment in coastal areas is an important concern to develop offshore wind power. The high complexity of coastal environment entails the need for new tools that can describe the spatial variability of wind. In this paper, a distribution study of offshore wind power in China using...
Persistent link: https://www.econbiz.de/10010665961
Persistent link: https://www.econbiz.de/10009821283
In this paper, no-wait job shop problems with makespan minimization are considered. It is well known that these problems are strongly NP-hard. The problem is decomposed into the sequencing and the timetabling components. Shift timetabling is developed for the timetabling component. An effective...
Persistent link: https://www.econbiz.de/10004973500
According to spatial distribution of climate disasters in Nanning City and physiological and ecological indicator demands of sugarcane, with the aid of HJ-1 CCD satellite remote sensing images, basic meteorological data and geographic information data, this paper established the model for...
Persistent link: https://www.econbiz.de/10011095887
For the no-wait flowshop scheduling problem with maximum lateness criterion, properties are developed to speed up three kinds of basic operations generating candidate solutions, i.e., the insertion of a new job into a partial sequence, and the insertion and exchange neighborhood moves. The...
Persistent link: https://www.econbiz.de/10008494763
In this paper, a HGA (hybrid genetic algorithm) is proposed for permutation flowshop scheduling problems (PFSP) with total flowtime minimization, which are known to be NP-hard. One of the chromosomes in the initial population is constructed by a suitable heuristic and the others are yielded...
Persistent link: https://www.econbiz.de/10005158584