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Solar Organic Rankine Cycle System Integrated with Phase Change Materiel Storage

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Solar Organic Rankine Cycle System Integrated with Phase Change Materiel Storage
论文目录
 
Abstract第1-7页
Acknowledgement第7-18页
Nomenclature第18-21页
1 Gradual development in Solar Thermal Power GenerationSystem第21-45页
  1.1 Introduction第22-24页
  1.2 Development of ORC第24-25页
  1.3 Coupling of ORC with solar energy第25-26页
  1.4 Recent research in thermal power generation systems using ORC第26-35页
    1.4.1 Organic Rankine cycle第26-30页
    1.4.2 Solar collectors coupling with ORC第30-33页
    1.4.3 Thermal energy storage第33-35页
  1.5 Scientific Issues and Innovative Features of the Dissertation第35-37页
References第37-45页
2 Effect of working fluids on the performance of a noveldirect vapor generation solar organic Rankine cycle systemembedded with phase change material storage第45-73页
  2.1 System configuration第52-54页
  2.2 Thermodynamic modeling第54-56页
  2.3 Results and discussions第56-66页
    2.3.1 Effect of critical temperature on ORC efficiency at givenevaporation temperature第56-57页
    2.3.2 Effect of critical temperature on optimum evaporationtemperature and maximum thermal efficiency at a given solar radiation第57-60页
    2.3.3 Effect of critical temperature on collector efficiency at givenevaporation temperature and solar radiation第60-62页
    2.3.4 Effect of critical temperature on the thermal efficiency of thesystem at given evaporation temperature and solar radiation第62-65页
    2.3.5 Efficiency comparison between solar ORCs with DVG and HTF第65-66页
  2.4 Conclusion第66-68页
References第68-73页
3 Modeling of organic Rankine cycle efficiency withrespect to the equivalent hot side temperature第73-103页
  3.1 Derivation of the equivalent hot side temperature第75-77页
  3.2 New models for the ORC第77-79页
    3.2.1 Irreversible ORC efficiency with respect to T_(EHST)第77-78页
    3.2.2 The ratio of the pump power and the expander power (a-value)第78-79页
    3.2.3 New ORC efficiency model by approximating T_(ECST) anda-value第79页
  3.3 Error analysis of the new ORC efficiency model第79-82页
    3.3.1 Error contributed by the approximation of a-value第79-80页
    3.3.2 Error contributed by the approximation of T_(ECST)第80-81页
    3.3.3 Error counteraction by the approximation of a-value and T_(ECST)第81-82页
  3.4 Results and discussion第82-94页
    3.4.1 Influence of the equivalent hot side temperature on the ORCefficiency under different conditions第82-87页
    3.4.2 Comparison among the equivalent hot side temperature andboiling point temperature, critical temperature, Jacobs number, and Figureof Merit第87-90页
    3.4.3 The quantitative relationship between ORC efficiency and theequivalent hot side temperature第90-94页
  3.5 Case study第94-96页
  3.6 Conclusion第96-98页
References第98-103页
4 Modeling, simulation, and comparison of phase changematerial storage based direct and indirect solar Organic Rankinecycle systems第103-133页
  4.1 Introduction第103-108页
    4.1.1 System configurations第106-108页
    4.1.2 Climatic Data of Islamabad-Pakistan第108页
  4.2 Thermodynamic modeling第108-112页
    4.2.1 Solar radiation第108-109页
    4.2.2 Solar collectors第109页
    4.2.3 Phase change material storage第109-112页
  4.3 Operation and control of both systems第112-113页
  4.4 Validation of the Computational Model第113-115页
  4.5 Organic Rankine cycle第115-117页
  4.6 Results and Discussions第117-127页
    4.6.1 Performance of the hottest week第118-122页
    4.6.2 Performance of the coldest week第122-123页
    4.6.3 Performance over the month第123-127页
  4.7 Conclusion第127-128页
References第128-133页
5 Thermodynamic comparison between novel andconventional heat pipe evacuated tube collectors used for solarorganic Rankine cycle application, an experimental study第133-161页
  5.1 Introduction第133-137页
    5.1.1 Design layout of HPETC第135-137页
  5.2 Thermodynamic modeling of HPETC第137-144页
  5.3 A thermodynamic model of organic Rankine cycle第144-145页
  5.4 Results and discussions第145-155页
  5.5 Conclusion第155-157页
References第157-161页
List of Publications included in the dissertation第161页

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