Asked By: Xavier Griffin Date: created: Mar 14 2021

What is specific yield in hydrology

Answered By: Landon Washington Date: created: Mar 15 2021

ABSTRACT.

Specific yield is defined as the ratio of (1) the volume of water that a srturated rock or soil will yield by gravity to (2) the total volume of the rock or soil.

Specific yield is usually expressed as a percentage..

Asked By: Devin Simmons Date: created: Jan 06 2022

Why is soil porosity important

Answered By: Eric Wood Date: created: Jan 07 2022

Soil porosity is important for many reasons. A primary reason is that soil pores contain the groundwater that many of us drink. Another important aspect of soil porosity concerns the oxygen found within these pore spaces. All plants need oxygen for respiration, so a well-aerated soil is important for growing crops.

Asked By: Jordan Rogers Date: created: Feb 06 2021

What is the difference between porosity and effective porosity

Answered By: Simon Brown Date: created: Feb 06 2021

Effective porosity excludes isolated pores and pore volume occupied by water adsorbed on clay minerals or other grains. Total porosity is the total void space in the rock whether or not it contributes to fluid flow. Effective porosity is typically less than total porosity.

Asked By: Oliver Gonzalez Date: created: Apr 14 2022

What is porosity used for

Answered By: Henry Cox Date: created: Apr 16 2022

Porosity or void fraction is a measure of the void (i.e. “empty”) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.

Asked By: Lucas Cox Date: created: Nov 28 2021

How many types of porosity are there

Answered By: Andrew Brown Date: created: Dec 01 2021

Seven porosity typesSeven porosity types (interparticle, intraparticle, intercrystal, moldic, fenestral, fracture, and vugs) are common and volumetrically important.

Asked By: Dominic Bryant Date: created: Jan 08 2021

What is the difference between porosity and permeability

Answered By: Mason Jones Date: created: Jan 08 2021

More specifically, porosity of a rock is a measure of its ability to hold a fluid. Mathematically, it is the open space in a rock divided by the total rock volume (solid and space). Permeability is a measure of the ease of flow of a fluid through a porous solid.

Asked By: Graham Taylor Date: created: Jan 08 2021

How is soil porosity measured

Answered By: Jake Walker Date: created: Jan 11 2021

You can find the porosity of soil by measuring the amount of water it takes to fill all the tiny pores in the soil.

Asked By: Landon White Date: created: Jul 30 2021

How is porosity of powder determined

Answered By: Blake Adams Date: created: Aug 01 2021

Porosity is an important item in directly compressible ecipients. So, new grade of microcrystalline cellulose was developed by treatment the commercial grade Avicel PH 102 with 5N or more of NaOH. and if you do not have V (true volume), you can calculate it from: V = mass (weight) / true density.

Asked By: Noah Hill Date: created: Dec 18 2021

Does grain size affect porosity

Answered By: Wallace Garcia Date: created: Dec 18 2021

Interestingly, grain size does not affect porosity. For example, consider a box filled with spherical particles packed as tightly as possible.

Asked By: Rodrigo Bryant Date: created: Aug 05 2021

What is a good porosity

Answered By: Alex Simmons Date: created: Aug 07 2021

Porosity is the percentage of void space in a rock. Porosity is the percentage of void space in a rock. … Sandstones, typically, have much higher porosities (10–35%) because the individual sand or mineral grains don’t fit together closely, allowing larger pore spaces.

Asked By: Devin Hayes Date: created: Jun 18 2021

What is the symbol for porosity

Answered By: Raymond Young Date: created: Jun 21 2021

Porosity (Φ) is defined as the nonsolid or pore-volume fraction. Porosity is a volume ratio and thus dimensionless, and is usually reported as a fraction or percent.

Asked By: Neil Torres Date: created: Jan 14 2021

What are the factors that affect porosity

Answered By: Dylan Watson Date: created: Jan 16 2021

On the whole, porosity is directly dependent on the initial water content, temperature, pressure, relative humidity, air velocity, electromagnetic radiation, food material size, composition, and initial microstructure and viscoelastic properties of the biomaterial, as shown in Fig. 4.1 (Saravacos 1967; Krokida et al.

Asked By: Miguel Watson Date: created: Oct 13 2021

What is total porosity

Answered By: Hunter Henderson Date: created: Oct 16 2021

The total porosity is the total void space and as such includes isolated pores and the space occupied by clay-bound water. It is the porosity measured by core analysis techniques that involve disaggregating the sample.

Asked By: Jesse White Date: created: Mar 02 2022

What do you know about absolute porosity and effective porosity

Answered By: Bryan Miller Date: created: Mar 05 2022

The interconnected pores that support the flow of fluids make up the effective porosity, which is numerically less than the absolute porosity, that is, the intercommunicating porosity excluding the pores containing irreducible fluid saturation.

Asked By: Eric Scott Date: created: Sep 28 2021

Which has higher porosity clay or sand

Answered By: Oscar Clark Date: created: Oct 01 2021

Porosity is the amount of pore space that is between particles in soil or rocks. … Surprisingly, clay can have high porosity too because clay has a greater surface area than sand, therefore, more water can remain in the soil.

Asked By: Ronald Taylor Date: created: Jan 11 2021

What is effective porosity in geology

Answered By: Stanley Smith Date: created: Jan 11 2021

Effective porosity is that portion of the total void space of a porous material that is capable of transmitting a fluid. Total porosity is the ratio of the total void volume to the total bulk volume.

Asked By: Noah Alexander Date: created: Mar 06 2021

What is porosity example

Answered By: Tyler Rodriguez Date: created: Mar 06 2021

A sponge is an example of a porous material as it has a large number of empty spaces compared to its volume. … Sponges, wood, rubber, and some rocks are porous materials. In contrast, marble, glass, and some plastics are not porous and contain very few open pockets of air (or pores).

Asked By: Gilbert Powell Date: created: Aug 21 2021

What is primary and secondary porosity

Answered By: George Wright Date: created: Aug 21 2021

Primary porosity is the original porosity of the rock when it formed, and secondary porosity is the pore space created by subsequent processes such as fracturing.

Asked By: Steven Wood Date: created: Oct 03 2021

Why is Clay’s permeability low

Answered By: Connor Lee Date: created: Oct 05 2021

Clay textured soils have small pore spaces that cause water to drain slowly through the soil. Clay soils are known to have low permeability, which results in low infiltration rates and poor drainage. As more water fills the pore space, the air is pushed out.

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