Simplified models for assessing heat and mass transfer in evaporative towers /

Bibliographic Details
Other Authors:	De Angelis, Alessandro (Alessandro Domenico)
Format:	eBook
Language:	English
Published:	San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA) : Morgan & Claypool, [2013]
Series:	Synthesis lectures on engineering ; # 22.
Subjects:	Cooling towers. Evaporative cooling. Heat > Transmission. Mass transfer. cooling machines evaporative towers heat and mass transfer one-dimensional model zero-dimensional model Electronic books.
Online Access:	Connect to the full text of this electronic book

Table of Contents:

1. Evaporative cooling
1.1 Introduction
1.2 Commercial and industrial refrigeration: HVAC
1.3 Industry: water cooling methods
1.3.1 Evaporative towers and dry coolers
1.3.2 Health considerations
1.3.3 Installation costs
10. Numerical solution methods
10.1 Introduction
10.2 Euler method
10.3 Runge-Kutta method
10.4 Methods numerical stability
11. One-dimensional model application
11.1 Introduction
11.2 Solution method
11.3 Results analysis
12. Conclusions
A. VBA numerical code
References
Authors' biographies.
2. Evaporative towers applications
2.1 Typical applications
2.2 Production plants
2.3 Planning new plants
2.4 Alteration of pre-existing plants
3. Evaporative towers installation
3.1 General criteria
3.2 Winter operation
3.3 Temperature adjustment and control
3.4 Capacity adjustment and control
4. Evaporative towers building criteria
4.1 Sumps
4.2 Natural draught towers
4.3 Mechanical draught towers
4.4 Fans position and type
4.5 Corrosion issue and material selection
4.6 Sample mode
5. Operating principle
5.1 Thermodynamics technical notes
5.1.1 First law of thermodynamics
5.1.2 Humidity
5.1.3 Enthalpy
5.1.4 Specific enthalpy and specific heat of an air-vapor mixture
5.1.5 Psychrometric diagram
5.2 Operation of evaporative towers
6. Water behavior and treatment in evaporative towers
6.1 Cooling loops
6.1.1 Insoluble salts build-up
6.1.2 Biological growth
6.1.3 Corrosion
6.1.4 Mud
6.1.5 Foam formation
6.2 Chemical cleaning systems
6.3 Water preventive treatment
6.4 Preventive remedies
6.5 Conclusions
7. Zero-dimensional model
7.1 Introduction
7.2 Description of the model of a counterflow evaporative tower
7.3 Adapting the zero-dimensional model to the actual process
7.4 Outlet air conditions
7.5 Illustration of results
7.6 Verification of results
7.7 Operating simulation of an evaporative tower under various circumstances
8. Zero-dimensional model application
8.1 Calculation of C&n
8.2 Calculation of outlet conditions
8.3 Calculation of outlet air according to water temperature rise
8.4 Final considerations
9. Numerical analysis
9.1 Derivation of the equations
9.2 Numerical analysis graphic presentation