Related Experiment Video

Updated: Oct 12, 2025

Author Spotlight: Advancing Agricultural Land Ecosystem Research with a Hydraulic Property Analyzer to Assess Soil Health
07:21

Author Spotlight: Advancing Agricultural Land Ecosystem Research with a Hydraulic Property Analyzer to Assess Soil Health

Published on: August 9, 2024

1.1K

Estimation of moisture migration in rammed earth based on entropy theory

Fang Zhang, Xinpeng Zhao, Dongsheng Wang

    Applied Optics
    |November 22, 2021
    PubMed

    More Related Videos

    Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface13:27

    Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

    Published on: June 8, 2015

    8.9K
    Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data09:55

    Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

    Published on: December 12, 2013

    8.9K

    Related Concept Videos

    Moisture Content and Bulking of Aggregate01:10

    Moisture Content and Bulking of Aggregate

    The moisture content of aggregates is a crucial factor in construction, particularly in concrete mixing, as it influences the total water required in the mix. Moisture content represents the water coated on the exterior surface of the aggregate existing in a saturated and surface-dry condition. The total water content of a moist aggregate is the sum of its moisture content and water absorption.
    When aggregates are exposed to rain or sit in stockpiles, they absorb moisture, which must be...
    243
    Measurement of Air Content in Concrete01:23

    Measurement of Air Content in Concrete

    Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
    The pressure method,...
    318
    Entropy and the Second Law of Thermodynamics01:20

    Entropy and the Second Law of Thermodynamics

    The second law of thermodynamics can be stated quantitatively using the concept of entropy. Entropy is the measure of disorder of the system.
    The relation  between entropy and disorder can be illustrated with the example of the phase change of ice to water. In ice, the molecules are located at specific sites giving a solid state, whereas, in a liquid form, these molecules are much freer to move. The molecular arrangement has therefore become more randomized. Although the change in average...
    3.3K
    Dynamic Modulus of Elasticity of Concrete01:16

    Dynamic Modulus of Elasticity of Concrete

    The dynamic modulus of elasticity assesses how a concrete structure deforms under impact or dynamic loads. It is typically higher than the static modulus of elasticity, measured under slow, steady loading conditions.
    The sonic test is a common method to determine the dynamic modulus. In this test, a concrete beam, sized either 6 x 6 x 30 inches or 4 x 4 x 20 inches, is clamped at its center. Vibrations are initiated at one end of the beam by an electromagnetic exciter unit powered by...
    597
    Entropy Change in Reversible Processes01:10

    Entropy Change in Reversible Processes

    In the Carnot engine, which achieves the maximum efficiency between two reservoirs of fixed temperatures, the total change in entropy is zero. The observation can be generalized by considering any reversible cyclic process consisting of many Carnot cycles. Thus, it can be stated that the total entropy change of any ideal reversible cycle is zero.
    The statement can be further generalized to prove that entropy is a state function. Take a cyclic process between any two points on a p-V diagram.
    2.8K
    Elasticity in Concrete01:20

    Elasticity in Concrete

    Upon subjecting concrete to moderate or high uniaxial compressive or tensile stresses, the strain response is non-linear relative to the stress applied. As the stress is removed, the resulting stress-strain curve deviates from the original path traced during loading, creating a hysteresis loop, indicative of the concrete's non-linear and non-elastic properties. Typically, a material's modulus of elasticity, which is a measure of the material's stiffness, is inferred from the linear...
    169