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A Centrifugal Particle Receiver for High-Temperature Solar Applications.
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Berlin :
Logos Verlag Berlin,
2015.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Intro; 1 Introduction; 1.1 State of the art; 1.1.1 Falling particle receiver; 1.1.2 Rotary kiln; 1.2 The Centrifugal Particle Receiver; 1.2.1 Concept; 1.2.2 Receiver dimensioning; 1.3 Objective; 2 Convection in Rotating Cavities; 2.1 State of the art; 2.1.1 Convection losses in solar cavity receivers; 2.1.2 Rotating convection; 2.2 Theory; 2.2.1 Convective heat loss mechanisms in cavity receivers; 2.2.2 Characteristic dimensionless parameters; 2.3 Experimental set-up and procedure; 2.3.1 Test receiver; 2.3.2 Instrumentation; 2.3.3 Experimental procedure; 2.3.4 Measuring conduction losses.
- 2.3.5 Calculating radiation losses2.3.6 Uncertainty analysis; 2.4 Results and discussion; 2.4.1 Heat transfer; 2.4.2 Temperature distribution; 2.4.3 Comparison to literature; 3 Receiver Prototype; 3.1 Experimental set-up; 3.1.1 Receiver; 3.1.2 Particle feeding; 3.1.3 Insulation; 3.2 Instrumentation; 3.2.1 Temperature measurement; 3.2.2 Mass flow rate measurement; 3.2.3 Input power measurement; 3.2.4 Rotation rate measurement; 3.3 Error analysis; 3.3.1 Temperature uncertainty; 3.3.2 Mass flow rate uncertainty; 3.3.3 Uncertainty of the input power; 3.3.4 Overall uncertainty.
- 4 Numerical Receiver Model4.1 Model simplifications; 4.2 Governing equations; 4.2.1 Conduction and convection; 4.2.2 Radiation; 4.3 Numerical method; 4.3.1 Boundary conditions; 4.3.2 Material properties; 4.3.3 Finite element approximations; 4.4 Discretization; 4.4.1 Particle trajectory; 4.4.2 Cavity; 4.5 Incoming heat flux; 4.6 Grid study and validation; 5 Experiments; 5.1 Feasibility study; 5.1.1 Dense particle film; 5.1.2 Particle movement; 5.1.3 Critical rotation speed and retention time; 5.1.4 Discussion; 5.2 High flux tests; 5.2.1 Receiver inclination 45°
- 5.2.2 Receiver inclination 90°5.2.3 Discussion; 6 Simulation; 6.1 Temperature profiles; 6.2 Receiver efficiency; 6.3 Sensitivity analysis; 6.3.1 Material properties; 6.3.2 Heat flux distribution; 6.3.3 Conduction effects; 6.3.4 Convection effects; 6.4 Discussion; 7 Conclusions; References; Appdx A; Appdx B.