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Mass per unit volume of granular matter
science, bulk density, also called apparent density, is a material property defined as the mass of the many particles of the material divided by the bulk volume
Bulk_density
Mass per unit volume
volume Densities of the elements (data page) List of elements by density Air density Area density Bulk density Buoyancy Charge density Density current
Density
Metallic main-belt asteroid
Assuming the mean volume of (5.75±0.19)×106 km3, this equates to a bulk density of 3.977±0.253 g/cm3, which is considerably higher than most small Solar
16_Psyche
Asteroid spectral type
The bulk density of an asteroid provides clues about its composition and meteoritic analogs. For the M-types, the proposed analogs have bulk densities that
M-type_asteroid
Earth, a natural material
have a dry bulk density (density of soil taking into account voids when dry) between 1.1 and 1.6 g/cm3, though the soil particle density is much higher
Soil
Fertilizer developed from natural processes
Organic fertilizers are fertilizers that are naturally produced. Fertilizers are materials that can be added to soil or plants, in order to provide nutrients
Organic_fertilizer
Volume occupied by liquid and gas phases in a soil
The dry bulk density of a soil greatly depends on the mineral/organic assemblage making up the soil and on its degree of compaction. The density of quartz
Pore_space_in_soil
ecosystem services such as crop production, are texture, structure, bulk density, porosity, consistency, temperature, colour and resistivity. Soil texture
Physical_properties_of_soil
Ratio of void volume and total volume of a porous material
bulk density ρ bulk {\displaystyle \rho _{\text{bulk}}} , saturating fluid density ρ fluid {\displaystyle \rho _{\text{fluid}}} and particle density ρ
Porosity
Fine grained natural soil
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Clay
Indicator of the compressibility of a powder
\rho _{B}} is the freely settled bulk density of the powder, and ρ T {\displaystyle \rho _{T}} is the tapped bulk density of the powder after "tapping down"
Carr_index
Topics referred to by the same term
Look up bulk in Wiktionary, the free dictionary. Bulk can refer to: Bulk cargo Bulk carrier Bulk liquids Bulk mail Bulk material handling Bulk pack, packaged
Bulk
Ratio of how much light is reflected back from a body
reflection coefficient (aka reflectivity) and can be used to estimate the bulk density of a planetary surface to a depth of a meter or so (a few wavelengths
Albedo
Fast-moving current of hot gas and volcanic matter that moves away from a volcano
be currents whose density exceed that of water while still remaining buoyant. Such a phenomenon occurs by virtue of a bulk density lower than water brought
Pyroclastic_flow
Resistance of a material to uniform pressure
pressure with respect to density. The inverse of the bulk modulus gives a substance's compressibility. Generally, the bulk modulus is defined at constant
Bulk_modulus
Gravitational force exerted by the planet Mars
in the bulk density. If the pore spaces are filled with water or ice, bulk density decrease is also expected. A further drop in bulk density could be
Gravity_of_Mars
Industrial high explosive
notable properties of emulsions are water resistance and higher bulk density. While the density of pure crystalline ammonium nitrate is 1700 kg/m3, individual
ANFO
particles that make up the powder. Particle density is in contrast to the bulk density, which measures the average density of a large volume of the powder in a
Particle_mass_density
Density logging is a well logging tool that can provide a continuous record of a formation's bulk density along the length of a borehole. In geology,
Density_logging
Amorphous volcanic glass
Unexpanded ("raw") perlite has a bulk density around 1100 kg/m3 (1.1 g/cm3), while typical expanded perlite has a bulk density of about 30–150 kg/m3 (0.03–0
Perlite
Organic matter in soils resulting from decay of plant and animal materials
about 12:1. It also significantly improves (that is, decreases) the bulk density of soil. Humus is amorphous and lacks the cellular structure characteristic
Humus
Swiss astronomer (born 1966)
and established the combination of these techniques by first measuring bulk density of OGLE transiting planets. They also looked for transit opportunities
Didier_Queloz
Industrial mining process used to extract precious metals from ore
relationship between heap height and ore bulk density (density profile) The relationship between bulk density and percolation capacity (conductivity profile)
Heap_leaching
Equation that relates seismic P-wave velocity to the bulk density of the lithology
empirically derived equation that relates seismic P-wave velocity to the bulk density of the lithology in which the wave travels. The equation reads: ρ = α
Gardner's_relation
Geotechnical engineering test of soil properties
countries. One approximate relationship between SPT N-value, relative density, and bulk density for coarse-grained material can be seen in the table below. This
Standard_penetration_test
Excavation or structure to provide access to groundwater
g = ρ g z T {\displaystyle P_{g}=\rho \,g\,z_{T}} where ρ is the mass density of the water and g is the acceleration due to gravity. When the water in
Well
Plutino with a thin atmosphere
of Earth's moon and about one-fifth the diameter of Pluto. The mass, bulk density, and shape of 2002 XV93 are unknown, though they can be inferred from
(612533)_2002_XV93
Main-belt asteroid
and scarps, which are thought to be fractures. It has a high overall bulk density, suggesting that it is made of metal-rich rock. The Rosetta probe passed
21_Lutetia
Mix of crumbled stones
medium, and coarse with ranges 2 mm to 6.3 mm to 20 mm to 63 mm. The bulk density of gravel varies from 1,460 to 1,920 kg/m3 (2,460 to 3,240 lb/cu yd)
Gravel
Larger moon of Haumea
sixth-largest known moon of a trans-Neptunian object. It has a very low bulk density of 0.64 g/cm3, which indicates it is mostly made of loosely-packed water
Hiʻiaka_(moon)
Procedure to assess particle size distribution
including bulk density, physical stability and permeability. With careful selection of the gradation, it is possible to achieve high bulk density, high physical
Sieve_analysis
Natural material created during volcanic eruptions
into the column, the bulk density decreases and it starts to rise buoyantly into the atmosphere. At a point where the bulk density of the column is the
Volcanic_ash
Granular material composed of finely divided rock and mineral particles
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Sand
Non-crystalline solid
soil strongly influence bulk density, aggregate stability, plasticity, and water holding capacity of soils. The low bulk density and high void ratios are
Amorphous_solid
Silicon dioxide with branched chains on micro scale
agglomerate into tertiary particles. The resulting powder has an extremely low bulk density and high surface area. Its three-dimensional structure results in viscosity-increasing
Fumed_silica
Exoplanet in the constellation Indus
super-Earth. The planet's bulk density can be derived from the mass and radius values of LHS 3844 b. It shows that the planet has a bulk density that is approximately
LHS_3844_b
Measure of flowability of a powder or granular material
\rho _{B}} is the freely settled bulk density of the powder, and ρ T {\displaystyle \rho _{T}} is the tapped bulk density of the powder. The Hausner ratio
Hausner_ratio
Ability of water to flow through a porous material
given several measured soil properties, such as soil particle size, and bulk density. There are relatively simple and inexpensive laboratory tests that may
Hydraulic_conductivity
Effect of repeated walking on open ground
shift species composition, and damage soils through compaction (raising bulk density and reducing porosity), which can alter soil moisture and temperature
Trampling
M-type asteroid
volume estimate for Kleopatra, this indicates a bulk density of 3.38±0.50 g/cm3. These recent bulk density results call into question the canonical view
216_Kleopatra
Dry, bulk solid composed of fine, free-flowing particles
a powder can be compacted or loosened into a vastly larger range of bulk densities than can a coarser granular material. When deposited by sprinkling,
Powder
Redevelopment of an ecology after an event that changes it radically
structure (habitat patch size and distance to outside seed sources); bulk density, pH, and soil texture (sand and clay). Secondary succession is the ecological
Secondary_succession
Celestial body composed of many pieces of rock held together by gravity
low density because there are large cavities between the various chunks that make them up. The asteroids Bennu and Ryugu have a measured bulk density which
Rubble_pile
Fourth-largest asteroid
by Hygiea's bulk density, spectroscopic detections of water ice, and its lack of large, bowl-shaped craters. Assuming the higher density estimate of 2
10_Hygiea
Triple system of Kuiper belt objects
are Lempo, Hiisi, and Paha. Assuming spherical shapes with a uniform bulk density for all components, the system mass estimated based on the motion of
47171_Lempo
Reusable surface insulation tile
thermal shock resistance. LI-900 has a bulk density of 144.2 kg/m3, or 9 lb/ft3. Due to this material’s density being 9 lb/ft3 it was called the LI-900
LI-900
Being submerged in grain, with possibly fatal consequences
an increase in pressure around the victim, possibly by increasing the bulk density of the grain within the tube, which in turn requires more force to pull
Grain_entrapment
Sound of a drop of water falling into water
and ρ {\displaystyle \rho } the difference between the density of water and the bulk density of the cloud. For a single bubble in water at standard pressure
Minnaert_resonance
Physical parameter of a drainage basin
ρw is the density of water, R0 is the average precipitation rate, W* is the width of the channel head, ρs is the saturated bulk density of the soil
Drainage_density
Change in viscosity of a gel or fluid caused by stress
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Thixotropy
Large main-belt asteroid
apparently high bulk density (greater than that of the Moon), Hebe does not rank among the top twenty asteroids by volume. This high bulk density suggests an
6_Hebe
Analysis of soil
parameters can be provided by pedotransfer functions. For instance, soil bulk density can be predicted using easily measured soil properties such as soil texture
Soil_test
Sudden movement of the Earth's crust
from approx. 3 km/s (1.9 mi/s) up to 13 km/s (8.1 mi/s), depending on the density and elasticity of the medium. In the Earth's interior, the shock- or P
Earthquake
Minor planet found within the inner Solar System
of the asteroid's shape. Mass and volume allow the derivation of the bulk density, whose uncertainty is usually dominated by the errors made on the volume
Asteroid
Earth-size exoplanet orbiting TRAPPIST-1
have similar densities, consistent with rocky compositions, with TRAPPIST-1e having a somewhat lower but still Earth-like bulk density. The planet has
TRAPPIST-1e
Material in core during nuclear meltdown
be distributed through the melt. The bulk density of the samples varied between 7.45 and 9.4 g/cm3 (the densities of UO2 and ZrO2 are 10.4 and 5.6 g/cm3)
Corium_(nuclear_reactor)
Industrial-grade storage and transport container for fluids and solids
Intermediate bulk containers (also known as IBCs, IBC totes, or pallet tanks) are industrial-grade containers engineered for the mass handling, transport
Intermediate_bulk_container
Study of soil as a natural resource on the surface of Earth
than heavy (clay) soils on an air dry basis (i.e. they have similar bulk density), nor do they have more porosity, but they are less sensitive to cattle
Soil_science
Physical property of a powder
to intermolecular force, porosity electrostatic activity hygroscopy bulk density angle of repose presence of glidants oxidation rate (of a metallic powder)
Flowability
Instrument for measuring the bulk density of grain
chondrometer is a measuring instrument designed to determine the bulk density of grain. Grain density is measured in kilograms per hectolitre (Imp. pounds per
Chondrometer
Health of soil, suitability for growing
negative impact on soil aggregates, friability, soil porosity, and soil-bulk density. When soils become degraded and compacted, such tillage practices are
Tilth
Sensor to detect the level of substances that flow
of very fine powders (bulk density: 0.02–0.2 g/cm3), fine powders (bulk density: 0.2–0.5 g/cm3), and granular solids (bulk density: 0.5 g/cm3 or greater)
Level_sensor
Classification of soil or sediment
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Silt
Conjectural soil type probably not found in nature
Dry quicksand is loose sand whose bulk density is reduced by blowing air through it and which yields easily to weight or pressure. It acts similarly to
Dry_quicksand
Works that re-shape the earth's surface
concern themselves with issues of geotechnical engineering (such as soil density and strength) and with quantity estimation to ensure that soil volumes
Earthworks_(engineering)
Point on the Earth's surface that is directly above the hypocenter in an earthquake
with the local geology. For P waves, the relation between velocity and bulk density of the medium has been quantified in Gardner's relation. Before the instrumental
Epicenter
Building material
porosity decreases to 24%, and can withstand more compressive load. Bulk density of firebrick is between 1.88-2.05 g/cm^3, which is the approximate standard
Fire_brick
Solid carbon stored in global soils
concentrations in sandy soils influence soil bulk density which decreases with an increase in SOC. Bulk density is important for calculating SOC stocks. Soil
Soil_carbon
Study of physical properties of soils
function of the soil's bulk density, which is based on the composition of the soil. Sandy soils typically have higher bulk densities and lower porosity than
Soil_morphology
Industrial method of producing salt from rock salt
evaporation pan. This results in pyramid-shaped flake salt, which has low bulk density, high solubility, and good adhesion. According to a scientific article
Alberger_process
Measure of the ability of a porous material to allow fluids to pass through it
{\boldsymbol {q}}} is the Darcy flux, or filtration velocity, which describes the bulk (not microscopic) velocity field of the fluid, [ Length ] [ Time ] − 1 {\displaystyle
Permeability_(porous_media)
Decrease in porosity of soil due to agriculture
compaction, also known as soil structure degradation, is the increase of bulk density or decrease in porosity of soil due to externally or internally applied
Soil_compaction_(agriculture)
Largest moon of Saturn
diameter and mass (and thus its density) are similar to those of the Jovian moons Ganymede and Callisto. Based on its bulk density of 1.881 g/cm3, Titan's composition
Titan_(moon)
Excavated channel in ground
present in the trench. Gasses such as pure nitrogen and natural gas have densities similar to pure air but are denser when cold, for example when they have
Trench
Particles added to improve its properties
and their flame-retardant properties. Polymer Foam Beads can have a bulk density as low as 0.011 g/cc and range in size from 45 microns to over 8 mm.
Filler_(materials)
Narrow shaft bored in the ground
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Borehole
Topics referred to by the same term
density include: Density, mass per unit volume Bulk density, mass of a particulate solid or powder divided by the volume it occupies Particle density
Density_(disambiguation)
Accumulation of partially decayed vegetation
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Peat
Soil consisting primarily of organic materials
terrestrial conditions. Organic material and therefore Histosols have very low bulk density. Many are acidic and very deficient in major plant nutrients, especially
Histosol
Weight on ships lowering centre of gravity for stability
above the waterline to affect stability, as any material having greater bulk density than air will have an effect on the centre of gravity. It is the relationship
Ship_ballast
Soils formed in volcanic ash and containing glass and amorphous colloidal materials
qualifier. In both cases, they contain many ferrihydrite and have a bulk density ≤ 0.9 kg/dm3. Silandic Andosols are very fertile except in cases where
Andosol
Natural hazard involving ground movement
Shuaixing; Scaringi, Gianvito; Liu, Wei; He, Siming (2020). "An Empirical Power Density-Based Friction Law and Its Implications for Coherent Landslide Mobility"
Landslide
Measurement of quality in agriculture
moisture content. Intrinsic factors of grain include: color, composition, bulk density, odor, size, and shape. Color is an important primary factor for the
Grain_quality
Soil layer whose physical characteristics differ from the layers above and beneath
fine earth) [α like carbonate] (H, A, E, B, C, R). β: Bulk density ≤ 0.9 kg dm-3 [β like bulk density] (B). γ: Containing ≥ 5% (by grain count) volcanic
Soil_horizon
powders are good examples of instant powders. Optimized bulk density: Consistent bulk density is important in accurate and consistent filling of packaging
Agglomerated_food_powder
Smaller moon of Haumea
Namaka has a diameter of 150 km (93 mi), its mass would indicate a low bulk density of 0.650 g/cm3, which could suggest that Namaka has a highly porous interior
Namaka_(moon)
Quantity of water contained in a material
volumetric water content, multiply the gravimetric water content by the bulk specific gravity S G {\displaystyle SG} of the material: θ = u × S G {\displaystyle
Water_content
Physical phenomenon
represented by a single bulk density. Furthermore, an object with a higher density than the bed will sink, whereas an object with a lower density than the bed will
Fluidized_bed
Volcanologic calculation to estimate eruption volume
This correction can be made by comparing the bulk density of the tephra deposit with the known density of the original gas-free rock-type that makes
Dense-rock_equivalent
Species of grass
have a bulk density of 50–130 kg/m3 (84–219 lb/cu yd), bales 120–160 kg/m3 (200–270 lb/cu yd), while pellets and briquettes have a bulk density of 500
Miscanthus_×_giganteus
Type of exoplanet larger than Earth
then both its mass and its radius can be determined; thus its average bulk density can be calculated. The actual empirical observations are giving similar
Super-Earth
Movement of rock or soil down slopes
Loam Loess Properties Hydraulic conductivity Water content Void ratio Bulk density Thixotropy Reynolds' dilatancy Angle of repose Friction angle Cohesion
Mass_wasting
Circumbinary exoplanet orbiting TOI-1338
low bulk density of 0.137±0.026 g/cm3, which is far less dense than Saturn (0.69 g/cm3), the least dense planet in the Solar System. The low density of
TOI-1338_b
Conversion of a granular material from a solid-like to liquid-like state
will exhibit fluidic behavior. By further increasing gas velocity, the bulk density of the bed will continue to decrease, and its fluidization becomes more
Fluidization
Aromatic chemical compound
(PDF) on 12 June 2007. Retrieved 28 March 2018. Engineering Resources – Bulk Density Chart Archived 2002-10-27 at the Wayback Machine Ballin, Nicolai Z.;
Coumarin
Oxide of silicon
agglomerate into tertiary particles, a white powder with extremely low bulk density (0.03-0.15 g/cm3) and thus high surface area. The particles act as a
Silicon_dioxide
Natural hazard
Discharge rate, transport distance from a volcanic vent, angle of incidence, bulk density of the flow and its preservation or disaggregation underwater are important
Volcanic_tsunami
Type of soil formed by sedimentation in estuaries
seismically active regions like the San Francisco Bay Area. Typical bulk density of bay mud is approximately 1.3 grams per cubic centimetre. Bay muds
Bay_mud
Machine used in bulk material handling
which is often converted to t/h (tonnes per hour) based on the average bulk density of the material being reclaimed. Reclaimers normally travel on a rail
Reclaimer
Dehydrated milk product
milk powder, such as its solubility in cold water, its flavour, and its bulk density. Powdered milk is a common item in UN food aid supplies, fallout shelters
Powdered_milk
BULK DENSITY
BULK DENSITY
Surname or Lastname
English
English : nickname for a man with some fancied resemblance to a he-goat (Old English bucc(a)) or a male deer (Old English bucc). Old English Bucc(a) is found as a personal name, as is Old Norse Bukkr. Names such as Walter le Buk (Somerset 1243) are clearly nicknames.English : topographic name for someone who lived near a prominent beech tree, such as Peter atte Buk (Suffolk 1327), from Middle English buk ‘beech’ (from Old English bÅc).German : from a personal name, a short form of Burckhard (see Burkhart).North German and Danish : nickname for a fat man, from Middle Low German bÅ«k ‘belly’. Compare Bauch.German : variant of Bock.German : variant of Puck in the sense ‘defiant’, ‘spiteful’, or ‘stubborn’.German : topographic name from a field name, Buck ‘hill’.Emanuel Buck came from England to Plymouth Colony in the 1640s and in 1647 settled in Wethersfield, CT.
Boy/Male
Tamil
Bull
Male
German
From the Germanic word burg, BURK means "castle, fort, protection." Used as a short form of longer names containing the same element.
Surname or Lastname
English
English : variant of Foulks.Respelling of German Volk.
Girl/Female
Hindu, Indian
Nickname for a Turkish Woman; A Nose Ring
Male
English
From the American English pet name for a "high-spirited young man," from the vocabulary word buck, BUCK means "male deer or goat."
Biblical
old age; perishing
Boy/Male
British, Christian, English
People; Tribe
Boy/Male
Biblical
Old age; perishing.
Boy/Male
Indian, Sanskrit
Bull
Male
English
Modern form of Medieval English Fulke, FULK means "people, tribe."
Boy/Male
Hindu
Bull
Boy/Male
American, Australian, British, Chinese, Christian, English, Indian
A Stag; Male Deer
Boy/Male
English American Greek
Male deer.
Boy/Male
French
Lives in a fortress.
Surname or Lastname
English
English : nickname for a strong, aggressive, bull-like man, from Middle English bul(l)e, bol(l)e. Occasionally, the name may denote a keeper of a bull. Compare Bulman.German (mainly northern) : from a byname for a cattle breeder, keeper, or dealer. Compare South German Ochs.South German : nickname for a short fat man, a variant of Bolle, or a nickname for a man with the physical characteristics of a bull.
Boy/Male
Arabic, Indian, Muslim, Turkish
Country; Kingdom; Supreme Power
Boy/Male
Tamil
Kankeya | கநà¯à®•ேயாÂ
Bull
Kankeya | கநà¯à®•ேயாÂ
Surname or Lastname
English
English : variant of Balch.
Male
English
The Deer
BULK DENSITY
BULK DENSITY
Girl/Female
Indian
Cloud, Joyful
Boy/Male
Tamil
Famous
Boy/Male
Australian, Jamaican
Dark
Boy/Male
Arabic, Muslim
Servant of the Powerful
Boy/Male
Hindu
King of the feet
Surname or Lastname
English
English : unexplained.
Boy/Male
Arabic, Muslim, Sindhi
Servant of the Most Powerful
Boy/Male
Australian, Danish, French, German, Swedish, Teutonic
Advancing Wolf; Wolf Quarrel; Wolf Traveling
Boy/Male
Hebrew
Son of Benedict.
Boy/Male
Greek
noble.
BULK DENSITY
BULK DENSITY
BULK DENSITY
BULK DENSITY
BULK DENSITY
imp. & p. p.
of Bulk
n.
Anything bulky or unwieldly.
v. t.
To throw by bucking. See Buck, v. i., 2.
n.
A thwarting an adversary in cribbage by spoiling his score; a balk.
a.
Having a short and thick neck like that of a bull.
v. i.
To go to bed in a bunk; -- sometimes with in.
n.
Magnitude of material substance; dimensions; mass; size; as, an ox or ship of great bulk.
n.
One who, or that which, resembles a bull in character or action.
n.
The main mass or body; the largest or principal portion; the majority; as, the bulk of a debt.
n. & v.
See Balk.
v. i.
To take the shape of a bulb; to swell.
v. t.
To take out the entrails of; to disembowel; as, to hulk a hare.
p. pr. & vb. n.
of Bulk
v. t.
To endeavor to raise the market price of; as, to bull railroad bonds; to bull stocks; to bull Lake Shore; to endeavor to raise prices in; as, to bull the market. See 1st Bull, n., 4.
n.
A name given to some parts that resemble in shape certain bulbous roots; as, the bulb of the aorta.
n.
Bulk; volume.
a.
Of great bulk or dimensions; of great size; large; thick; massive; as, bulky volumes.
v. t.
To disappoint; to frustrate; to foil; to baffle; to /hwart; as, to balk expectation.
v. i.
To appear or seem to be, as to bulk or extent; to swell.
a.
Of or pertaining to a bull; resembling a bull; male; large; fierce.