UID:
edoccha_9961542406102883
Format:
1 online resource (410 pages)
Edition:
1st ed.
ISBN:
0-443-13507-X
Note:
Front Cover -- Air Conditioning with Natural Energy -- Copyright Page -- Contents -- List of contributors -- Preface -- Part I -- 1 Introduction -- 1.1 Background -- 1.2 Basic thermal process of building -- 1.3 Cooling load and plant load -- 1.4 Analysis of energy demand and natural energy resources -- 1.5 Application forms and the natural energy of concern -- 1.6 Development history of air conditioning with natural energy -- 1.7 Main content -- References -- 2 Enhanced treatment technologies for outdoor air -- 2.1 Evaporative cooling -- 2.1.1 Fundamental categories of evaporative cooling -- 2.1.1.1 Direct evaporative cooling -- 2.1.1.2 Indirect evaporative cooling -- 2.1.1.2.1 Plate, tubular and heat pipe type IEC -- 2.1.1.2.2 Dew point IEC -- 2.1.1.3 Semiindirect evaporative cooling -- 2.1.2 Heat and mass transfer analysis -- 2.1.2.1 Direct evaporative cooling -- 2.1.2.2 Indirect evaporative cooling -- 2.1.2.2.1 Plate type IEC -- 2.1.2.2.2 Tubular type IEC -- 2.1.3 Common evaporative cooling air conditioning systems -- 2.2 Direct heat exchange with ground soil -- 2.2.1 Underground air tunnel system -- 2.2.2 Earth-to-air heat exchanger system -- 2.3 Pretreatment with shallow geothermal energy -- 2.3.1 Principle of fresh air prehandling system -- 2.3.2 Simulation method and evaluation index -- 2.3.2.1 Characteristics of the standard all-air system -- 2.3.2.2 Simulation models -- 2.3.2.3 Simulation methods -- 2.3.2.4 Evaluation index -- 2.3.3 Analysis of the performance of the system -- 2.3.3.1 The operating periods of the proposed system -- 2.3.3.2 The thermal transfer characteristics of the proposed system -- 2.3.3.3 Annual performance evaluation of the proposed system -- 2.3.3.4 Economic evaluations -- 2.4 Summary -- References -- 3 Pipe-embedded wall systems -- 3.1 Introduction -- 3.2 Description of pipe-embedded wall systems.
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3.3 Theoretical frequency-domain model -- 3.3.1 Theoretical frequency-domain models -- 3.3.2 Representation of temperature in finite-difference frequency-domain model -- 3.3.3 Representation of temperature in finite-element frequency-domain model -- 3.3.4 Characteristic disturbances -- 3.3.5 Frequency thermal characteristics of a typical pipe-embedded wall -- 3.4 Simplified thermal model of the wall body and parameter identification -- 3.4.1 Description of the simplified thermal model -- 3.4.2 Principle of parameter identification -- 3.4.3 A case study -- 3.5 Model of the pipe-embedded wall system and validation -- 3.5.1 Description of the semidynamic model -- 3.5.2 Experiments -- 3.5.3 Model validation -- 3.6 Steady performance evaluation method of the pipe-embedded wall -- 3.6.1 The steady equivalent thermal network model -- 3.6.2 Heat transfer performance evaluation index -- 3.6.3 Case study -- 3.7 Summary -- References -- 4 A nocturnal cooling wall system -- 4.1 Principle of nocturnal radiation cooling -- 4.2 Description of the nocturnal cooling wall system -- 4.3 Simplified model of the PenPCM and validation -- 4.3.1 Simplified PCM model with variable thermal capacitances and thermal resistances -- 4.3.2 Principle of parameter identification -- 4.3.3 Experiments -- 4.3.4 Model validation -- 4.4 Coupling model of the nocturnal cooling wall system -- 4.4.1 Nocturnal radiative cooling model -- 4.4.2 Gravity heat pipe model -- 4.4.3 The coupling model and solution -- 4.4.4 Experiment setup -- 4.4.5 Model validation -- 4.5 Thermal performance evaluation of a typical room with the nocturnal cooling wall system -- 4.5.1 Description of the room with the nocturnal cooling wall system -- 4.5.2 Simulation platform -- 4.5.3 Boundary conditions -- 4.5.4 Results and analysis -- 4.5.4.1 Comparative analysis in the typical day.
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4.5.4.2 Comparison and analysis of the cooling season -- 4.6 Steady performance evaluation of the nocturnal cooling wall system -- 4.6.1 The steady equivalent thermal network model -- 4.6.2 Heat transfer performance evaluation index -- 4.6.3 Case study -- 4.7 Summary -- References -- 5 The pipe-embedded window -- 5.1 Description of the pipe-embedded window system -- 5.2 Numerical simulation of the pipe-embedded window -- 5.2.1 Simulation method of the pipe-embedded window -- 5.2.1.1 Physical model -- 5.2.1.2 Mathematical models and numerical methods -- 5.2.2 Validation of simulation methods -- 5.2.2.1 Grid independence test -- 5.2.2.2 Validation by experimental results -- 5.2.3 Heat transfer analysis of pipe-embedded window in summer -- 5.2.3.1 Heat transfer process analysis -- 5.2.3.2 The impact of glass configuration -- 5.2.4 Heat transfer analysis of pipe-embedded window in winter -- 5.3 Thermal network model of the pipe-embedded window -- 5.3.1 Analysis of heat transfer process of pipe-embedded window -- 5.3.2 Heat transfer network model for pipe-embedded window -- 5.3.3 Calculation of convective heat for pipe-embedded window -- 5.3.4 Analysis of solar radiation heat gain from pipe-embedded window -- 5.4 Performance evaluation method of the pipe-embedded window -- 5.4.1 Heat transfer analysis for pipe-embedded window in nonuniform environments -- 5.4.2 Analysis of indoor heat gain law of pipe-embedded window -- 5.4.3 Heat transfer analysis of pipe-embedded window -- 5.4.4 Model verification -- 5.5 Comfort test of the pipe-embedded window -- 5.5.1 Thermal environment analysis -- 5.5.2 Indicators for thermal manikin -- 5.6 Applicability of the pipe-embedded window in different regions -- 5.6.1 Seasonal effects of pipe-embedded window during the cooling season -- 5.6.1.1 Application effects in a typical city.
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5.6.1.2 Application effects in different directions -- 5.6.2 Heating seasonal energy consumption analysis of pipe-embedded window -- 5.7 Summary -- References -- 6 Revised degree hours -- 6.1 Degree hour method -- 6.2 Revised degree hour method -- 6.2.1 General expression of revised degree hour -- 6.2.2 Rationality of revised degree hour -- 6.2.3 Simplified expression of revised degree hour -- 6.2.3.1 Simplified coefficient of performance -- 6.2.3.2 Simplified natural energy temperature -- 6.2.3.3 Simplified base temperature -- 6.2.3.4 Validation of the simplified revised degree hour method -- 6.3 Relationship between revised degree hour and energy savings -- 6.3.1 Classification of natural energy utilization systems -- 6.3.2 Natural energy use in the indoor space -- 6.3.3 Natural energy use in the envelope -- 6.3.4 Natural energy use in the fresh air handling unit -- 6.4 Applications of revised degree hour -- 6.4.1 Choice of natural energy utilization forms in various climate regions -- 6.4.2 Choice of the application location of natural energy -- 6.4.3 Choice of suitable natural energy sources -- 6.5 Summary -- References -- 7 Application potential of natural energy -- 7.1 Introduction -- 7.2 Application potential estimation method and validation -- 7.2.1 Method description -- 7.2.2 Estimation method validation -- 7.2.2.1 Pipe-embedded wall-ground-source heat exchanger system -- 7.2.2.2 Pipe-embedded wall-radiative sky cooler system -- 7.3 Application potential of pipe-embedded wall with ground-source heat exchangers -- 7.3.1 System description -- 7.3.2 Typical pipe-embedded wall and boundary conditions -- 7.3.3 Analysis of the energy-saving potential -- 7.4 Application potential of pipe-embedded wall with radiative sky coolers -- 7.4.1 System description -- 7.4.2 Temperature of the cold water provided by radiative sky cooler.
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7.4.3 Analysis of the energy-saving potential -- 7.5 Application potential of pipe-embedded window with cooling towers -- 7.5.1 System description -- 7.5.2 Analysis of the energy-saving potential -- 7.6 Application potential of fresh air handling with ground-source heat exchangers -- 7.6.1 System description -- 7.6.2 Analysis of the energy-saving potential -- 7.7 Contribution of air conditioning with natural energy sources in different climate regions -- 7.7.1 Effect analysis of five climate regions in China -- 7.7.1.1 Effect analysis of pipe-embedded wallwith ground-source heat exchangers in the cooling season -- 7.7.1.2 Effect analysis of pipe-embedded wallwith ground-source heat exchangers in the heating season -- 7.7.1.3 Effect analysis of pipe-embedded wall with radiative sky coolers in the cooling season -- 7.7.1.4 Effect analysis of pipe-embedded wall with cooling towers in the cooling season -- 7.7.1.5 Effect analysis of pipe-embedded window with ground-source heat exchangers in the cooling season -- 7.7.1.6 Effect analysis of pipe-embedded window with ground-source heat exchangers in the heating season -- 7.7.1.7 Effect analysis of pipe-embedded window with cooling towers in the cooling season -- 7.7.1.8 Effect analysis of natural ventilation in the cooling season -- 7.7.1.9 Effect analysis of mechanical ventilation in the cooling season -- 7.7.1.10 Effect analysis of fresh air with ground-source heat exchangers in the cooling season -- 7.7.1.11 Effect analysis of fresh air with ground-source heat exchangers in the heating season -- 7.7.2 Effect analysis of global climate regions -- 7.7.2.1 Effect analysis of pipe-embedded wall with ground-source heat exchangers in the cooling season -- 7.7.2.2 Effect analysis of pipe-embedded wall with ground-source heat exchangers in the heating season.
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7.7.2.3 Effect analysis of pipe-embedded wall with radiative sky coolers in the cooling season.
Additional Edition:
ISBN 0-443-13506-1
Language:
English
