Total heat recovery : heat and moisture recovery from ventilation air / / Li-Zhi Zhang

• Autore: Zhang Li-Zhi
• Pubblicazione: New York, : Nova Science Publishers, c2008
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (328 p.)
• Disciplina: 621.402
• Soggetto topico: Heat exchangers; Ventilation; Heat recovery; Condensation; Moisture; Humidity - Control; Water harvesting; Buildings - Energy conservation
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- TOTAL HEAT RECOVERY: HEAT AND MOISTURE RECOVERYFROM VENTILATION AIR -- NOTICE TO THE READER -- CONTENTS -- PREFACE -- TOTAL HEAT RECOVERY IN AIR-CONDITIONING -- ABSTRACT -- 1.1. INTRODUCTION -- 1.2. OPPORTUNITIES AND CHALLENGES -- 1.3. CONCLUSION -- REFERENCES -- ENERGY RECOVERY POTENTIALS -- ABSTRACT -- 2.1. INTRODUCTION -- 2.2. ENERGY CALCULATIONS -- 2.3. CONCLUSION -- REFERENCES -- ESTIMATION OF SORPTION AND DIFFUSION PROPERTIES OF HYGROSCOPIC MATERIALS -- ABSTRACT -- NOMENCLATURE -- 3.1. INTRODUCTION -- 3.2. SORPTION AND DIFFUSIVITY IN A THERMO-HYGROSTAT -- Sorption Experiments -- Drying Experiments -- Calculation of Diffusivity -- Uncertainty Analysis -- Sorption Isotherms -- Sorption Curves -- Regeneration Curves -- Moisture Diffusivity -- 3.3. FLUID FLOW AND MASS TRANSFER IN A NOVEL EMISSION CELL -- Mathematical Models -- Discretisation and Solution Strategy -- Experimental Work -- Local and Mean Sherwood Numbers -- Flow Patterns -- Humidity Profiles -- 3.4. MEASUREMENT OF MOISTURE DIFFUSIVITY WITH THE CELL -- The Whole Set-up -- Model Development -- Estimation of Moisture Diffusivity -- 3.5. CONCLUSION -- REFERENCES -- PERFORMANCE OF ENERGY WHEELS -- ABSTRACT -- NOMENCLATURE -- 4.1. INTRODUCTION -- 4.2. MATHEMATICAL MODEL -- Performance Index -- 4.3. PERFORMANCE ANALYSIS -- Temperature and Humidity Profiles -- Effects of Rotary Speed -- Effects of NTU -- Psychrometric Cycle -- 4.4. CONCLUSION -- REFERENCES -- HEAT MASS TRANSFER IN BENDED SINUSOIDAL NARROW DUCTS -- ABSTRACT -- NOMENCLATURE -- 5.1. INTRODUCTION -- 5.2. FLOW AND HEAT MASS TRANSFER MODEL -- Basic Equations -- 5.3. BOUNDARY FITTED COORDINATES -- Finite Difference Equations -- 5.4. FRICTION AND MASS TRANSFER COEFFICIENTS -- Validation of the Procedure -- Effects of Bending Ratios -- Local and Mean Sherwood Numbers -- 5.5. CONCLUSION -- REFERENCES. ; CONVECTIVE HEAT MASS TRANSFER IN PLATE-FIN CHANNELS -- ABSTRACT -- NOMENCLATURE -- 6.1. INTRODUCTION -- 6.2. SINUSOIDAL DUCTS OF FINITE FIN CONDUCTANCE -- Governing Equations -- Numerical Method -- RESULTS AND DISCUSSION -- 6.3. RECTANGULAR DUCT -- Parallel-plates Channels -- 6.4. TRIANGULAR DUCT -- 6.5. CONVECTIVE MASS TRANSFER COEFFICIENTS -- Governing Equations -- Boundary Conditions -- 6.6. COMPARISONS OF HEAT AND MASS TRANSFER -- 6.7. CONCLUSION -- REFERENCES -- EFFECTIVENESS CORRELATIONS OF TOTAL HEAT EXCHANGERS -- ABSTRACT -- NOMENCLATURE -- 7.1. INTRODUCTION -- 7.2. EFFECTIVENESS-NTU CORRELATIONS -- Deduction of Effectiveness Correlations -- Validation -- 7.3. CORRELATIONS FOR PLATE-FIN TOTAL HEAT EXCHANGER -- 7.4. AN APPLICATION EXAMPLE -- Problem -- Solution -- 7.5. CONCLUSION -- REFERENCES -- NUMERICAL SIMULATION OF TOTAL HEAT EXCHANGERS -- ABSTRACT -- NOMENCLATURE -- 8.1. INTRODUCTION -- 8.2. PARALLEL-PLATES EXCHANGER -- Governing Equations -- Numerical Methods -- Experimental Work -- Membrane Surface Values -- Nusselt and Sherwood Numbers -- 8.3. PLATE-FIN EXCHANGER -- Heat and Mass Transfer in Air Streams -- Heat and Mass Transfer through Plates -- Boundary Conditions -- Simulation Case -- Solution Procedure -- 8.4. CONCLUSION -- REFERENCES -- NOVEL MEMBRANES FOR TOTAL HEAT EXCHANGER -- ABSTRACT -- NOMENCLATURE -- 9.1. INTRODUCTION -- 9.2. HYDROPHOBIC-HYDROPHILIC COMPOSITE MEMBRANE -- Membrane Preparation -- Vapor Permeation Measurements -- Characterization of the Membrane -- Vapor Permeation Tests -- SEM Studies -- Contact Angles -- Sorption Tests -- 9.3. COMPOSITE SUPPORTED LIQUID MEMBRANE -- Preparation of the Supported Liquid Membranes -- Moisture Transport Measurement -- Analysis of Transfer Resistance -- Moisture Transfer through the Composite Membrane -- Gas Transport in Porous Media -- Pore Size Distribution. ; Mass Transfer of Vapor through a Single Membrane Pore -- Poisseuille Flow -- Knudsen Diffusion -- Molecule Diffusion -- Combined Flow -- Total Mass Flux Across a Membrane -- Effective Diffusivity in the First and the Third Layer -- Effective Diffusivity in the Second Layer -- Moisture Diffusion in the Air Gap -- Moisture Permeability -- Moisture Permeability -- Resistance Analysis -- Effects of Protective Layers -- Effects of Liquid Layer -- 9.4. HEAT CONDUCTIVITY OF MEMBRANES -- Composite Supported Liquid Membrane -- Composite Hydrophobic-hydrophilic Membrane -- 9.5. MEMBRANE SELECTIVITY -- 9.6. CONCLUSION -- REFERENCES -- HEAT MASS TRANSFER IN CROSS-CORRUGATED TRIANGULAR DUCTS -- ABSTRACT -- NOMENCLATURE -- 10.1. INTRODUCTION -- 10.2. LAMINAR FLOW -- Mathematical Model -- Solution Method and Validation -- Flow Distribution and Friction Factor -- Temperature Distribution and Nusselt Number -- 10.3. TURBULENT FLOW -- Turbulence Models -- Standard k-ε Model -- Renormalized k-ε model -- Low Reynolds k-ω Model -- Full Reynolds Stress Modeling -- Boundary Conditions -- Solution Method -- Model Validation -- Turbulent Flow and Heat Transfer -- Temperature Distribution and Nusselt Number -- 10.4. TRANSITIONAL FLOW -- Geometry -- Boundary Conditions -- Model Validation -- Transitional Flow and Heat Transfer -- 10.5. CONVECTIVE MASS TRANSFER -- 10.6. COMBINED WITH MEMBRANES -- 10.7. CONCLUSION -- REFERENCES -- APPLICATIONS OF TOTAL HEAT RECOVERY -- ABSTRACT -- NOMENCLATURE -- 11.1. INTRODUCTION -- 11.2. DESICCANT WHEEL WITH CHILLED CEILING -- Conventional all-Air System -- Desiccant Cooling (DC) with Chilled-Ceiling -- Pre-cooling Desiccant Cycle with Chilled-Ceiling -- Component Modeling -- Building Configurations -- Operating Parameters in the Cycle -- Annual Primary Energy Consumptions -- Indoor Humidity -- Capital Cost. ; 11.3. INDEPENDENT AIR DEHUMIDIFICATION -- System Descriptions -- Component Modeling -- Performance Analysis -- Annual Primary Energy Requirements -- 11.4. CONCLUSION -- REFERENCES -- INDEX.
• Titolo autorizzato: Total heat recovery
• ISBN: 1-60876-275-0
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910808483503321
• Lo trovi qui: Univ. Federico II