Specific Entropy

Naef A.A. Qasem; Muhammad M. Generous; Bilal A. Qureshi; Syed M. Zubair

doi:10.1007/978-3-031-35193-8_5

Specific Entropy

Naef A.A. Qasem
, Muhammad M. Generous
, Bilal A. Qureshi
, Syed M. Zubair^*

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The specific entropy of saline water is important for designing desalination plants and examining performance and irreversibility. It is a thermodynamic property computed based on the differentiation of the Gibbs free energy with respect to temperature at constant pressure. This chapter explains the thermodynamic approaches, multicomponent models, correlation, and data used to estimate specific entropy at various salinity and temperature values. Besides, the calculated specific entropy values from the correlations and methods are compared and assessed against the experimental data of seawater. A new correlation for NaCl-specific entropy with high accuracy is suggested for a salinity of 0–260 g/kg and ambient conditions. Some correlations and methods are recommended based on their accuracy and operating conditions. Furthermore, the codes used for the investigated methods are provided.

Original language	English
Title of host publication	Springer Water
Publisher	Springer Nature
Pages	119-143
Number of pages	25
DOIs	https://doi.org/10.1007/978-3-031-35193-8_5
State	Published - 2023

Publication series

Name	Springer Water
Volume	Part F1299
ISSN (Print)	2364-6934
ISSN (Electronic)	2364-8198

Bibliographical note

Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 6 Clean Water and Sanitation

Keywords

Correlations
Irreversibility
Methods
Saline water
Specific entropy
Thermodynamics

ASJC Scopus subject areas

Oceanography
Aquatic Science
Environmental Science (miscellaneous)
Water Science and Technology
Earth and Planetary Sciences (miscellaneous)

Access to Document

10.1007/978-3-031-35193-8_5

Cite this

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title = "Specific Entropy",

abstract = "The specific entropy of saline water is important for designing desalination plants and examining performance and irreversibility. It is a thermodynamic property computed based on the differentiation of the Gibbs free energy with respect to temperature at constant pressure. This chapter explains the thermodynamic approaches, multicomponent models, correlation, and data used to estimate specific entropy at various salinity and temperature values. Besides, the calculated specific entropy values from the correlations and methods are compared and assessed against the experimental data of seawater. A new correlation for NaCl-specific entropy with high accuracy is suggested for a salinity of 0–260 g/kg and ambient conditions. Some correlations and methods are recommended based on their accuracy and operating conditions. Furthermore, the codes used for the investigated methods are provided.",

keywords = "Correlations, Irreversibility, Methods, Saline water, Specific entropy, Thermodynamics",

author = "Qasem, \{Naef A.A.\} and Generous, \{Muhammad M.\} and Qureshi, \{Bilal A.\} and Zubair, \{Syed M.\}",

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year = "2023",

doi = "10.1007/978-3-031-35193-8\_5",

language = "English",

series = "Springer Water",

publisher = "Springer Nature",

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T1 - Specific Entropy

AU - Qasem, Naef A.A.

AU - Generous, Muhammad M.

AU - Qureshi, Bilal A.

AU - Zubair, Syed M.

PY - 2023

Y1 - 2023

N2 - The specific entropy of saline water is important for designing desalination plants and examining performance and irreversibility. It is a thermodynamic property computed based on the differentiation of the Gibbs free energy with respect to temperature at constant pressure. This chapter explains the thermodynamic approaches, multicomponent models, correlation, and data used to estimate specific entropy at various salinity and temperature values. Besides, the calculated specific entropy values from the correlations and methods are compared and assessed against the experimental data of seawater. A new correlation for NaCl-specific entropy with high accuracy is suggested for a salinity of 0–260 g/kg and ambient conditions. Some correlations and methods are recommended based on their accuracy and operating conditions. Furthermore, the codes used for the investigated methods are provided.

AB - The specific entropy of saline water is important for designing desalination plants and examining performance and irreversibility. It is a thermodynamic property computed based on the differentiation of the Gibbs free energy with respect to temperature at constant pressure. This chapter explains the thermodynamic approaches, multicomponent models, correlation, and data used to estimate specific entropy at various salinity and temperature values. Besides, the calculated specific entropy values from the correlations and methods are compared and assessed against the experimental data of seawater. A new correlation for NaCl-specific entropy with high accuracy is suggested for a salinity of 0–260 g/kg and ambient conditions. Some correlations and methods are recommended based on their accuracy and operating conditions. Furthermore, the codes used for the investigated methods are provided.

KW - Correlations

KW - Irreversibility

KW - Methods

KW - Saline water

KW - Specific entropy

KW - Thermodynamics

UR - https://www.scopus.com/pages/publications/85169060341

U2 - 10.1007/978-3-031-35193-8_5

DO - 10.1007/978-3-031-35193-8_5

M3 - Chapter

AN - SCOPUS:85169060341

T3 - Springer Water

SP - 119

EP - 143

BT - Springer Water

PB - Springer Nature

ER -

Specific Entropy

Abstract

Publication series

Bibliographical note

UN SDGs

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this