Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Osmosis, diffusion, convection.

H Soodak, A Iberall

    The American Journal of Physiology
    |July 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    This tutorial explains osmosis, diffusion, and convection in simple, two-component solutions. It focuses on laminar flow in narrow channels, linking thermodynamics to fluid dynamics for various flow regimes.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Forum on osmosis. IV. More on osmosis and diffusion.

    The American journal of physiology·1979
    Same author

    Homeokinetics: a physical science for complex systems.

    Science (New York, N.Y.)·1978
    Same author

    A field and circuit thermodynamics for integrative physiology. II. Power and communicational spectroscopy in biology.

    The American journal of physiology·1978
    Same author

    A global model of neuronal command-control systems.

    Bio Systems·1977
    Same author

    High frequency blood glucose oscillations in man.

    Metabolism: clinical and experimental·1968
    Same author

    1967 behavioral model of man. His chains revealed.

    Currents in modern biology·1968
    Same journal

    Blood coagulation in fish.

    The American journal of physiology·2011
    Same journal

    Renal tubular reabsorption, metabolic utilization and isomeric fractionation of lactic acid in the dog.

    The American journal of physiology·2010
    Same journal

    The inactivation of placental toxin by human serum.

    The American journal of physiology·2010
    Same journal

    Adrenal function following ovariectomy in the rat.

    The American journal of physiology·2010
    Same journal

    Capillary permeability; perfusion of frog and guinea pig hind limbs.

    The American journal of physiology·2010
    Same journal

    Evaluation of protective measures against sunburn.

    The American journal of physiology·2010
    See all related articles

    Area of Science:

    • Physical Chemistry
    • Fluid Dynamics
    • Thermodynamics

    Background:

    • Osmosis, diffusion, and convection are fundamental transport phenomena.
    • Understanding these processes is crucial for various scientific and engineering applications, particularly in fluid flow and separation technologies.
    • Existing models often simplify complex flow conditions.

    Purpose of the Study:

    • To provide a tutorial on the mechanisms and interconnections of osmosis, diffusion, and convection.
    • To simplify the study by considering only two-component, nonelectrolyte solutions under isothermal conditions.
    • To analyze laminar convection, specifically in narrow channels relevant to membrane technologies.

    Main Methods:

    • Application of equilibrium and near-equilibrium thermodynamics to flow processes.

    Related Experiment Videos

  • Analysis of laminar convection in narrow channels (pores or slits).
  • Comparison with principles of mechanics, friction, and hydrodynamics.
  • Classification of flow fields into three regimes based on velocity profile curvature.

    • Main Results:

    • Demonstration of the links between osmosis, diffusion, and convection in simplified systems.
    • Identification of three distinct flow field regimes: one-dimensional, significant curvature, and high curvature.
    • Equivalence of thermodynamic descriptions to mechanical and hydrodynamic principles in the dilute limit.

    Conclusions:

    • The study provides a foundational understanding of coupled transport phenomena.
    • The framework is applicable to various flow conditions, from extended regions to narrow channels.
    • Thermodynamic principles offer a robust approach to analyzing fluid flow processes.