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Bulk density is more useful because it accounts for the spaces between particles in a material, reflecting how closely packed the material is in real-world applications. Particle density only considers the intrinsic density of the material itself and does not provide information on how the material behaves in a bulk form. Therefore, bulk density is more relevant for practical purposes such as determining flow properties, storage requirements, or compaction characteristics.

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Why is bulk density a more meaningful figure than particle density in terms of practical agriculture than particle density.?

Bulk density is more meaningful in agriculture because it incorporates the pore space between soil particles, which affects root development, water infiltration, and aeration. Particle density, on the other hand, only accounts for the density of soil particles without considering the spaces between them. Therefore, bulk density gives a more accurate representation of soil structure and its impact on plant growth.


Loose bulk density?

Bulk density is a major physical property in designing the logistic system for biomass handling. The size, shape, moisture content, individual particle density, and surface characteristics are few factors affecting the bulk density. This research investigates the effects of true particle lengths ranging from 6 to 50 mm and moisture contents ranging from 8% to 60% wet basis (wb) on the bulk density of wheat straw and switchgrass. Three types of particle densities of straw and switchgrass measured were: a hollow particle density assuming a hollow cylindrical geometry, a solid particle density assuming a solid cylindrical geometry, and a particle density measured using a gas pycnometer at a gas pressure of 40 kPa. The bulk density of both loose-fill and packed-fill biomass samples was examined. The calculated wet and dry bulk density ranged from 24 to 111 kg m-3 for straw and from 49 to 266 kg m-3 for switchgrass. The corresponding tapped bulk density ranged from 34 to 130 kg m-3 for straw and 68 to 323 kg m-3 for switchgrass. The increase in bulk density due to tapping the container was from 10% for short 6-mm particles to more than 50% for long 50-mm particles. An equation relating the bulk density of stems as a function of moisture content, dry bulk density, and particle size was developed. After the validation of this bulk density equation, the relationship would be highly useful in designing the logistics system for large-scale transport of biomass to a biorefinery. The bulk density and particle density data of uniform particles would be important, if straw and switchgrass is used for pulping and paper making.


Why is bulk density a more meaningful figure than particle density in terms of practical agriculture?

Bulk density accounts for the presence of air spaces, organic matter, and other types of particles in the soil, providing a better representation of soil porosity and compaction, which are important for root growth and water retention. Particle density alone does not consider these factors and may not accurately reflect the overall soil quality for plant growth in an agricultural setting.


Why bulk density a more meaningful figure in terms of practical agriculture than particle density?

anya met


Why particle density is also called true density?

Particle density is sometimes referred to as true density because it represents the actual density of the material excluding any void spaces that may be present. It is a measure of how closely packed the particles are within a given volume, providing a more accurate reflection of the material's intrinsic properties.

Related Questions

Why is bulk density a more meaningful figure than particle density in terms of practical agriculture than particle density.?

Bulk density is more meaningful in agriculture because it incorporates the pore space between soil particles, which affects root development, water infiltration, and aeration. Particle density, on the other hand, only accounts for the density of soil particles without considering the spaces between them. Therefore, bulk density gives a more accurate representation of soil structure and its impact on plant growth.


Loose bulk density?

Bulk density is a major physical property in designing the logistic system for biomass handling. The size, shape, moisture content, individual particle density, and surface characteristics are few factors affecting the bulk density. This research investigates the effects of true particle lengths ranging from 6 to 50 mm and moisture contents ranging from 8% to 60% wet basis (wb) on the bulk density of wheat straw and switchgrass. Three types of particle densities of straw and switchgrass measured were: a hollow particle density assuming a hollow cylindrical geometry, a solid particle density assuming a solid cylindrical geometry, and a particle density measured using a gas pycnometer at a gas pressure of 40 kPa. The bulk density of both loose-fill and packed-fill biomass samples was examined. The calculated wet and dry bulk density ranged from 24 to 111 kg m-3 for straw and from 49 to 266 kg m-3 for switchgrass. The corresponding tapped bulk density ranged from 34 to 130 kg m-3 for straw and 68 to 323 kg m-3 for switchgrass. The increase in bulk density due to tapping the container was from 10% for short 6-mm particles to more than 50% for long 50-mm particles. An equation relating the bulk density of stems as a function of moisture content, dry bulk density, and particle size was developed. After the validation of this bulk density equation, the relationship would be highly useful in designing the logistics system for large-scale transport of biomass to a biorefinery. The bulk density and particle density data of uniform particles would be important, if straw and switchgrass is used for pulping and paper making.


Why is bulk density a more meaningful figure than particle density in terms of practical agriculture?

Bulk density accounts for the presence of air spaces, organic matter, and other types of particles in the soil, providing a better representation of soil porosity and compaction, which are important for root growth and water retention. Particle density alone does not consider these factors and may not accurately reflect the overall soil quality for plant growth in an agricultural setting.


Why bulk density a more meaningful figure in terms of practical agriculture than particle density?

anya met


Is particle density influence by the soil texture?

Yes, soil texture can influence particle density. Soil particles in sandy soils are larger and less tightly packed, resulting in lower particle density. In contrast, clay soils have smaller particles that are more closely packed, leading to higher particle density.


How does particle density vary with particle size?

Particle density generally decreases as particle size increases. This is because larger particles have more void spaces in between them, resulting in lower mass per unit volume. Smaller particles have a higher packing efficiency and thus higher particle density.


Compared to a low-density spherical particle a high-density spherical particle of the same size will sink through water when?

A high-density spherical particle will sink through water faster than a low-density spherical particle of the same size due to the difference in their densities. The high-density particle experiences a greater gravitational force pulling it downwards, leading to faster sinking through the water.


How do particle size and density affect the layering of lake beds?

The more the mass the greater the density so they settle down


What is Bulk density?

Bulk density is defined as the weight per unit volume of material. Bulk density is primarily used for powders or pellets. The test can provide a gross measure of particle size and dispersion which can affect material flow consistency and reflect packaging quantity. Bulk Density ASTM D 1895 B


What does mean bulk density of flour?

The bulk density of flour refers to the mass of the flour per unit volume when it is freely poured or settled without compacting it. It is commonly used in the food industry to determine the consistency and quality of different types of flours. A higher bulk density indicates that the flour is more compacted and has lower air content.


How does bulk density vary with the amount of clay in the soil?

The bulk density of soil tends to decrease with an increase in clay content. This is because clay particles are smaller and more closely packed, leaving less space between particles for air and water. As a result, soils with higher clay content generally have higher water holding capacity and lower bulk density.


Why particle density is also called true density?

Particle density is sometimes referred to as true density because it represents the actual density of the material excluding any void spaces that may be present. It is a measure of how closely packed the particles are within a given volume, providing a more accurate reflection of the material's intrinsic properties.