8.1.2 Boiler
8.1.3 Pump and Fan
8.1.4 Cooling Tower
8.1.5 Water-to-Air Heat Exchanger
8.2 Energy-Saving Analysis on VAV Air-Conditioning System
8.2.1 Evaluation Program for Energy Saving of VAV System
8.2.2 Case Study
8.3 Energy Analysis on VAV Air-Conditioning System with Different Air-Side Economizers
8.3.1 Scheme for Air Economizer Cycle
8.3.2 Case Study
References
9 Optimal Control of HVAC System Aiming at Energy Conservation
9.1 Air-Side Synergic Control
9.1.1 Background and Basic Idea
9.1.2 Mathematic Deduction of Synergic Control Model
9.1.3 Control Logic Details
9.1.4 Case Study
9.2 Global Optimization Control
9.2.1 Model Development
9.2.2 Decomposition-Coordination Algorithm for Model Solution
9.2.3 Case Study
Appendix
References
10 Modeling and Control Strategies for VAV Systems
10.1 Background and Research Status
10.2 Modular Modeling with Simulink Tool
10.3 Model Library for Components of VAV System
10.3.1 VAV Terminal Unit
10.3.2 Variable Speed Fan
10.3.3 Air Ducts
10.3.4 Other Local Resistance Components
10.3.5 Application of Component Model Library: Case Study
10.4 Control Strategies for VAV System
10.4.1 Constant Static Pressure Method
10.4.2 Total Air Volume Method
10.4.3 Variable Static Pressure Method Based on Trim-and-Respond Logic
10.5 Control Sequences for VAV System with Different Terminal Units
10.5.1 For Cooling-Only Terminal Unit
10.5.2 For Reheat Terminal Unit
10.5.3 For Series Fan-Powered Terminal Unit
10.6 Test Script for VAV Control Study
10.6.1 Preparation
10.6.2 General Inspection of Air-Handling and Distribution System
10.6.3 Trend Data Review
References