Macroscopic Balances

Whitaker, Stephen

doi:10.1016/b978-0-08-018959-8.50012-4

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1994

2023

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Cited by 3 publications

References 32 publications

(35 reference statements)

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Laminar External Boundary Layers: Momentum and Heat Transfer

2023

Introduction to Convective Heat Transfer

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Laminar External Boundary Layers: Momentum and Heat Transfer

2023

Introduction to Convective Heat Transfer

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Non‐Darcian non‐isothermal compressible flow and heat transfer in cylindrical packed beds

Foumeny

1994

Chem Eng & Technol

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Knowledge of transport processes is of considerable practical importance in the design and performance evaluation of packed bed reactor systems. Acquisition of the required information necessitates a realistic mathematical description of the system. In this study, numerical analysis is performed for forced convective non-Darcian, non-isothermal compressible flow and heat transfer in cylindrical packed beds. Local structural and transport properties are considered. The influence of compressional work as well as viscous dissipation on the thermal field is evaluated and a general criterion provided for assessing the effect of expansion.

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A Simple Method to Determine Diffusion of Sodium in the Epidermis of Green Olives

Zuritz

Maldonado

2004

J Food Process Engineering

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The present study reports a simple method, both mathematical and experimental, to determine variable effective diffusion coefficients for sodium through the skins of olives. Skins removed from green olives, variety Arauco (also known as Criolla), were studied using a lye concentration of 2.25% (w/ w) of NaOH at 20C. The diffusion of sodium was evaluated through fresh skins and previously alkali-treated skins. The measured values of effective diffusion coefficients for untreated (fresh) olive skins increased two orders of magnitude during the processing time, from 10 -12 to 10 -10 m 2 /s. Whereas, the effective diffusion coefficients determined for previously treated olive skins were of the order of 10 -10 m 2 /s and increased very little with treatment time.

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Macroscopic Balances

Cited by 3 publications

References 32 publications

Laminar External Boundary Layers: Momentum and Heat Transfer

Laminar External Boundary Layers: Momentum and Heat Transfer

Non‐Darcian non‐isothermal compressible flow and heat transfer in cylindrical packed beds

A Simple Method to Determine Diffusion of Sodium in the Epidermis of Green Olives

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