Showing 1 - 10 of 30
The impact of concrete structure on the thermal performance of the dual-media thermocline thermal energy storage (TES) tank which is very promising to be applied in concentrating solar power (CSP) systems is investigated. The lumped capacitance method is used since the introduction of corrected...
Persistent link: https://www.econbiz.de/10010718927
A mathematical model for the overall exergetic efficiency of two phase change materials named PCM1 and PCM2 storage system with a concentrating collector for solar thermal power based on finite-time thermodynamics is developed. The model takes into consideration the effects of melting...
Persistent link: https://www.econbiz.de/10010805369
By using exergy efficiency as an objective function, the performances of three different organic Rankine cycles (ORCs) systems including the basic ORC (BORC) system, the single-stage regenerative ORC (SRORC) system and the double-stage regenerative ORC (DRORC) system using six different working...
Persistent link: https://www.econbiz.de/10010811825
Persistent link: https://www.econbiz.de/10005508972
A modification of ranked set sampling (RSS) called moving extremes ranked set sampling (MERSS) is considered for the estimation of the scale parameter of scale distributions. A maximum likelihood estimator (MLE) is studied and its properties are obtained. We prove the MLE is an equivariant...
Persistent link: https://www.econbiz.de/10010678744
A novel linear Fresnel reflector which employs the evacuated tube, CPC secondary reflector, and uses molten salt as the heat transfer fluid (HTF) was designed and studied in this paper. A 3D optical model was developed to simulate the radiation transmission within the system with Monte Carlo Ray...
Persistent link: https://www.econbiz.de/10011263312
In this paper, a two-dimensional eight-velocity multiple-relaxation-time (MRT) lattice Boltzmann (LB) model is proposed for incompressible porous flows at the representative elementary volume scale based on the Brinkman–Forchheimer-extended Darcy model. In the model, the porosity is included...
Persistent link: https://www.econbiz.de/10011264541
From aspect of energy consuming to pump heat transfer fluid, there is no sound basis on which to create an optimum design of a thermal energy storage unit. Thus, it is necessary to develop a parameter to indicate the energy efficiency of such unit. This paper firstly defines a parameter that...
Persistent link: https://www.econbiz.de/10011116085
The so-called Hierarchical–Indicator Comparison (HIC) method is introduced in this paper. It mainly serves for industrial energy conservation programs in China. A chemical industry named purified terephthalic acid (PTA) is used to outline this method. Two key points of the HIC method are the...
Persistent link: https://www.econbiz.de/10010930667
A model for a typical parabolic trough solar thermal power generation system with Organic Rankine Cycle (PT-SEGS–ORC) was built within the transient energy simulation package TRNSYS, which is formed by integrating several submodels for the trough collector system, the single-tank thermal...
Persistent link: https://www.econbiz.de/10011041368