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Topics referred to by the same term
Look up toroidal in Wiktionary, the free dictionary. Toroidal describes something which resembles or relates to a torus or toroid: Toroidal coordinates
Toroidal
Surface of revolution with a hole in the middle
Tokamak Toroidal inductors and transformers Toroidal propeller Weisstein, Eric W. "Toroid". MathWorld. Stewart, B.; "Adventures Among the Toroids:A Study
Toroid
Planet in the shape of a toroidal or doughnut shape
A toroidal planet is a hypothetical type of telluric exoplanet with a toroidal or doughnut shape. While no firm theoretical understanding as to how toroidal
Toroidal_planet
Finnish electric car manufacturer
Toroidion was a Finnish start-up company domiciled in Pohja, Raseborg. On March 3, 2022, the company filed for bankruptcy. In 2015, Toroidion introduced
Toroidion
Type of propeller design
In the 1930s, Friedrich Honerkamp patented a toroidal fan, and Rene Louis Marlet patented a toroidal aircraft propeller. The marine propeller was patented
Toroidal_propeller
Doughnut-shaped surface of revolution
of the polyhedron. The term "toroidal polyhedron" is also used for higher-genus polyhedra and for immersions of toroidal polyhedra, although some authors
Torus
Technique in mathematics for representing solenoidal vector fields
the curl of a toroidal field is poloidal, and the curl of a poloidal field is toroidal, known as Chandrasekhar–Kendall function. A toroidal vector field
Poloidal–toroidal decomposition
Poloidal–toroidal_decomposition
Graph able to be embedded on a torus
ladders are toroidal. More generally, any graph with crossing number 1 is toroidal. Some graphs with greater crossing numbers are also toroidal: the Möbius–Kantor
Toroidal_graph
Type of electrical device
Toroidal inductors and transformers are inductors and transformers which use magnetic cores with a toroidal (ring or donut) shape. They are passive electronic
Toroidal inductors and transformers
Toroidal_inductors_and_transformers
Type of electromagnetic dipole
axial (or electric) toroidal dipoles describe toroidal (donut-shaped) charge arrangements whereas a polar (or magnetic) toroidal dipole (also called an
Toroidal_moment
Partition of a toroidal surface into polygons
"Toroidal polyhedron". MathWorld. Stewart Toroids (Toroidal Solids with Regular Polygon Faces) Stewart's polyhedra Toroidal Polyhedra Stewart toroids
Toroidal_polyhedron
Concept in algebraic geometry
U\hookrightarrow X} is said to a toroidal embedding if U k ¯ ↪ X k ¯ {\displaystyle U_{\bar {k}}\hookrightarrow X_{\bar {k}}} is a toroidal embedding. tropical compactification
Toroidal_embedding
A compact toroid (CT) is a type of plasmoid, a class of toroidal plasma configuration that is self-stable, and which does not need magnet coils running
Compact_toroid
Coordinate system relative to a torus
}\end{aligned}}} Look up toroidal or poloidal in Wiktionary, the free dictionary. Poloidal–toroidal decomposition Toroidal coordinates Torus Zonal and
Toroidal and poloidal coordinates
Toroidal_and_poloidal_coordinates
Three-dimensional orthogonal coordinate system
Toroidal coordinates are a three-dimensional orthogonal coordinate system that results from rotating the two-dimensional bipolar coordinate system about
Toroidal_coordinates
Type of reflecting telescope
using a high gain toroidal reflector antenna". 2015 9th European Conference on Antennas and Propagation (EuCAP): 1–2 – via IEEE. Toroidal mirrors for Yolo
Toroidal_reflector
Automotive transmission technology
ratio of the transmission. Toroidal CVTs can generally withstand higher torque loads than a pulley-based CVT. In some toroidal systems, the direction of
Continuously variable transmission
Continuously_variable_transmission
Void between celestial bodies
the radiation environment variable. The radiation belts are equatorial toroidal regions, which are bent towards Earth's poles, with the South Atlantic
Outer_space
the toroidal dipole needs to be taken into account. Toroidal dipole moments are odd under parity and time-reversal symmetries. Dynamic toroidal dipole
Dynamic_toroidal_dipole
A Toroidal expansion joint is a metallic assembly that consists of a series of toroidal convolutions which are circular tubes wrapped around pipe ends
Toroidal_expansion_joint
Toroidal vortex ring of air in water
A bubble ring, or toroidal bubble, is an underwater vortex ring where an air bubble occupies the core of the vortex, forming a ring shape. The ring of
Bubble_ring
Magnetic confinement device used to produce thermonuclear fusion power
toroidál'naya kámera s magnítnymi katúshkami toroidal chamber with magnetic coils or: тороидальная toroidál'naya toroidal камера kámera chamber с s with аксиальным
Tokamak
enough to induce ballistic nuclear fusion. Their model for their reported toroidal phenomena was extensively criticised by a December 2000 technical report
Electron_spiral_toroid
Model of subatomic particles
The toroidal ring model, known originally as the Parson magneton or magnetic electron, is a physical model of subatomic particles. It is also known as
Toroidal_ring_model
Fusion-energy-related US design study
High-performance TF coil design for the Toroidal Fusion Core Experiment (TFCX) High-performance TF coil design for the Toroidal Fusion Core Experiment (TFCX).
Toroidal Fusion Core Experiment
Toroidal_Fusion_Core_Experiment
Manufacture of electromagnetic coils
it over the circumference (Toroidal inductors and transformers, toroidal chokes). Before the winding starts, the Toroidal / Magnetic core is mounted into
Coil_winding_technology
Torus-shaped vortex in a fluid
A vortex ring, also called a toroidal vortex, is a torus-shaped vortex in a fluid; that is, a region where the fluid mostly spins around an imaginary axis
Vortex_ring
French tokamak
tokamak of this size with superconducting toroidal magnets, allowing the creation of a strong permanent toroidal magnetic field. After a major upgrade to
WEST_(formerly_Tore_Supra)
Concept in nuclear energy
a particular magnetic field line travels around a toroidal confinement area's "long way" (toroidally) to the "short way" (poloidally). The term "safety"
Safety factor (plasma physics)
Safety_factor_(plasma_physics)
Symmetric tessellation of a closed surface
generally regular toroidal polyhedra {p,q}b,c can be defined if either p or q are even, although only euclidean ones above can exist as toroidal polyhedra in
Regular_map_(graph_theory)
Chess variant
of the chessboard are connected. In toroidal chess, the board has the form of a torus (donut shape). A toroidal board can be formed by connecting the
Cylinder_chess
Engine configuration
engine, vibratory engine when the pistons oscillate instead of rotate, or toroidal engine based on the shape of the "cylinder". Many swing-piston engines
Swing-piston_engine
Plasma physics experiment
The Pegasus Toroidal Experiment is a plasma confinement experiment relevant to fusion power production, run by the Department of Nuclear Engineering &
Pegasus_Toroidal_Experiment
On Hamiltonian cycles in toroidal graphs
every 5-vertex-connected toroidal graph has a Hamiltonian cycle, and (with W. Zang) that every 4-vertex-connected toroidal graph has a Hamiltonian path
Grünbaum–Nash-Williams conjecture
Grünbaum–Nash-Williams_conjecture
Approach to controlled thermonuclear fusion using magnetic fields
configurations (FRCs) are one example of compact toroidal devices that do not require large external toroidal coils. "Norm," a recently proposed configuration
Magnetic_confinement_fusion
Device to couple energy between circuits
the magnetic path, toroidal transformers also tend to exhibit higher inrush current, compared to laminated E-I types. Ferrite toroidal cores are used at
Transformer
Alabama stellarator
coil. An auxiliary set of ten coils produces a toroidal field much like that of a tokamak. This toroidal field is used to vary the rotational transform
Compact_Toroidal_Hybrid
Device for measuring alternating current
that the sensor can be manufactured using a planar coil rather than a toroidal coil. In order to reject the influence of conductors outside the sensor's
Rogowski_coil
torus, or a knot. In the tokamak and the stellarator flux surfaces have toroidal shapes, whereas the more exotic knotatron has a knotted flux surface. Flux
Flux_surface
International nuclear fusion research and engineering megaproject
magnet, poloidal magnets around the edges of the tokamak, 18 D-shaped toroidal-field coils, and correction coils. A solid confinement vessel is also needed
ITER
Toroidal polyhedron with 7 faces
the seven colour theorem. The other half of the theorem states that all toroidal subdivisions can be colored with seven or fewer colors. The Szilassi polyhedron
Szilassi_polyhedron
{\displaystyle (x-3)(x-1)^{9}(x+1)^{9}(x+3)(x^{2}-5)^{6}} . The Dyck graph is a toroidal graph, contained in the skeleton of a hexagonal regular map, {6,3}4,0,
Dyck_graph
Geometry book by Bonnie Stewart
Adventures Among the Toroids: A study of orientable polyhedra with regular faces is a book on toroidal polyhedra that have regular polygons as their faces
Adventures_Among_the_Toroids
Type of rocket engine
Several versions of the design exist, differentiated by their shapes. In the toroidal aerospike the spike is bowl-shaped with the exhaust exiting in a ring around
Aerospike_engine
Species of gastropod
Margarites toroides is a species of sea snail, a marine gastropod mollusc in the family Margaritidae. Hoffman L., van Heugten B. & Lavaleye M.S.S., 2011
Margarites_toroides
Experimental tokamak
the first tokamak to utilize superconducting coils to establish both the toroidal and poloidal magnetic fields[citation needed]. EAST followed China's first
Experimental Advanced Superconducting Tokamak
Experimental_Advanced_Superconducting_Tokamak
Type of network topology
is a torus, and the network is called "toroidal". When the number of nodes along each dimension of a toroidal network is 2, the resulting network is called
Grid_network
Object used to guide and confine magnetic fields
cores), specialized machinery is required for automated winding of a toroidal core. Toroids have less audible noise, such as mains hum, because the magnetic
Magnetic_core
Type of plasma state achievable in tokamak research
phenomenon observed in toroidal plasmas such as tokamaks where the particle and energy confinement is significantly enhanced. Toroidal fusion plasmas generally
High-confinement_mode
Experimental fusion reactor in the United Kingdom
compact toroid class. Taylor went on to study the ballooning transformation, a problem that was occurring in the latest high-performance toroidal machines
ZETA_(fusion_reactor)
Magnetic confinement fusion reactor
together known as compact toroids. Spheromaks and FRC differ in that a spheromak has an extra toroidal field. This toroidal field can run along the same
Field-reversed_configuration
CERN LHC experiment
The outer toroidal magnetic field is produced by eight very large air-core superconducting barrel loops and two smaller end-caps air toroidal magnets,
ATLAS_experiment
Two-dimensional cellular automaton
its line and freed to hold the successor state for the third line. If a toroidal array is used, a third buffer is needed so that the original state of the
Conway's_Game_of_Life
Type of electromagnetic resonator
work. A toroidal LGR can be used for high- Q {\displaystyle Q} measurements without requiring additional electromagnetic shielding. In the toroidal geometry
Loop-gap_resonator
Toroidal magnetic core comprised from the powder of multiple alloys
A molypermalloy powder (MPP) core is a toroidal magnetic core comprised from the powder of multiple alloys. It is distributed with air gaps to help condense
Molypermalloy_powder_core
dryers, convection dryers, pharmaceutical dryers, suspension/paste dryers, toroidal bed or TORBED dryers and dispersion dryers. Various factors are considered
Industrial_dryer
Plasma flow
variation in either the poloidal or toroidal direction—they are m = n = 0 modes (where m and n are the poloidal and toroidal mode numbers, respectively), having
Zonal_flow_(plasma)
Fusion power reactor design
ends of the linear tubes. Scyllac (Scylla-closed) was designed to test a toroidal version that would improve confinement a thousandfold. A design mistake
Theta_pinch
System of currents that do not radiate into the far field
multipoles. The terms "anapole" and toroidal moment were once used synonymously, but this is no longer common. Toroidal moment Zel’Dovich, I. B. (1958).
Anapole
Italian snack food
Taralli (sing.: tarallo) are toroidal Italian snack foods, common in southern Italy. Wheat-based crackers similar in texture to breadsticks, taralli can
Taralli
Experimental physics device
The Enormous Toroidal Plasma Device (ETPD) is an experimental physics device housed at the Basic Plasma Science Facility at University of California, Los
Enormous Toroidal Plasma Device
Enormous_Toroidal_Plasma_Device
Compact astronomical body
Eddington limit are often referred to as polish donuts due to their thick, toroidal shape that resembles that of a donut. Quasar accretion disks are expected
Black_hole
Type of plasma diffusion
neoclassical diffusion is a theoretical description of collisional transport in toroidal plasmas, usually found in tokamaks or stellarators. It is a modification
Neoclassical_transport
Natural number
with fifteen vertices is 132. In a 15 × 15 {\displaystyle 15\times 15} toroidal board in the n–Queens problem, 132 is the count of non-attacking queens
132_(number)
American mathematician
Review of Theory of Numbers by H. Bergström, MR 0050599. Stewart Toroids (Toroidal Solids with Regular Polygon Faces) Stewart's polyhedra Stewart toroids
Bonnie_Stewart
Energy storage technique
little need for toroidal geometry for small SMES, but as the size increases, mechanical forces become more important and the toroidal coil is needed.
Superconducting magnetic energy storage
Superconducting_magnetic_energy_storage
1946 proposed fusion power device
The toroidal solenoid was an early 1946 design for a fusion power device designed by George Paget Thomson and Moses Blackman of Imperial College London
Toroidal_solenoid
Straight line segment that passes through the centre of a circle
Reuleaux cuboid Cube Octahedron Dodecahedron Icosahedron Pyramid Star Toroidal Ideal Solid of revolution Sphere Great circle Cylinder Cone Four - other-dimensional
Diameter
Directions in a toroidal magnetically confined plasma
to the context of zonal plasma flows and there will, in general, be a toroidal component in such flows as well. Thus, although the term zonal has come
Zonal_and_poloidal
List of efforts toward artificial nuclear fusion
by the mirror effect. The toroidal geometries can be further subdivided according to whether the machine itself has a toroidal geometry, i.e., a solid core
List_of_fusion_experiments
Star at the centre of the Solar System
internal toroidal magnetic field to the external poloidal field, and sunspots diminish in number and size. At solar-cycle minimum, the toroidal field is
Sun
Plasma and magnetic field structure
but in the form of a torus. We shall take the liberty of calling this toroidal structure a plasmoid, a word which means plasma-magnetic entity. The word
Plasmoid
Class of magnetic confinement fusion reactor
satisfies the property of omnigeneity, avoids the potentially hazardous toroidal bootstrap current, and has minimal neoclassical transport in the collisionless
Quasi-isodynamic_stellarator
Passive two-terminal electrical component that stores energy in its magnetic field
material. The shape often used is a toroidal or doughnut-shaped ferrite core. Because of their symmetry, toroidal cores allow a minimum of the magnetic
Inductor
Topics referred to by the same term
American English) is a deep-fried piece of dough or batter, usually with a toroidal shape. Doughnut or donut may also refer to: Donut Media, an American automotive
Doughnut_(disambiguation)
Plasma device using external magnets to confine plasma
plasma minor axis between 5 and 7.5 cm and was 1200 cm in length. The toroidal field coils normally operated at 35,000 gauss. By the time Model C began
Stellarator
The Versatile Toroidal Facility (VTF) is a research group within the Physics Research Division of the MIT Plasma Science and Fusion Center at the Massachusetts
Versatile_Toroidal_Facility
Japanese tokamak
JT-60, having improved its capability to hold the plasma in its powerful toroidal magnetic field. Sometime in 2007–2008, in order to control plasma pressure
JT-60
Types of electrical transformer
power at high temperatures to prevent further overheating. Donut-shaped toroidal transformers save space compared to E-I cores, and may reduce external
Transformer_types
Vibrational energy transfer in Earth or other planetary body
results in spheroidal oscillation S while interference of Love waves gives toroidal oscillation T. The modes of oscillations are specified by three numbers
Seismic_wave
Species of legume
obtusifolia (L.) Raf. Senna tora var. obtusifolia (L.) X.Y.Zhu Cassia rogeonii Ghesq. Cassia tora var. humilis Pers. Cassia toroides Raf. Senna toroides Roxb.
Senna_obtusifolia
Incorrect but seminal physical theory
(Sp-2). The axis of Sp-2 then rotates in a toroid (Sp-3). An internal potential is defined in terms of the toroidal rotation which serves as the cause of the
Vortex_theory_of_the_atom
Magnetic field plasma confinement device
in the toroidal direction than the poloidal direction, an RFP has a comparable field strength in both directions (though the sign of the toroidal field
Reversed_field_pinch
Arrangement of plasma formed into a toroidal shape
followed. One magnetic probe measurement found the toroidal magnetic field profile of a spheromak; the toroidal field was zero on axis, rose to a maximum at
Spheromak
2022 film by Daniel Kwan and Daniel Scheinert
will. Jobu has created a black hole-like "Everything Bagel" that forms a toroid singularity that could destroy the multiverse. Evelyn is provided verse-jumping
Everything Everywhere All at Once
Everything_Everywhere_All_at_Once
Solid-body electric guitar made by Ovation
toroidal single pole pickups while later models were equipped with humbuckers. Most collectors and players prefer the sound of the original toroidal pickups
Ovation_Breadwinner
Seventeenth letter of the Greek alphabet
length coordinate in polar, cylindrical, spherical, and toroidal coordinate systems, and toroidal and poloidal coordinates of the Earth's magnetic field
Rho
Inflatable water toy
donut, floatie, inner tube, or, in the United States, a lifesaver) is a toroid-shaped (hence the name "ring" or "doughnut") inflatable water toy. The swim
Swim_ring
Class of compact connected topological spaces
place of the circle, together with an expanding self-immersion. In the toroidal coordinates with radius R {\displaystyle R} , the solenoid can be parametrized
Solenoid_(mathematics)
Physical process that generates a star's magnetic field
from the internal toroidal magnetic field to the external poloidal field, and sunspots diminish in number. At solar minimum, the toroidal field is, correspondingly
Solar_dynamo
Load-carrying bearing using rolling elements and rings
races, and thus the bearing fatigues relatively quickly. CARB bearings are toroidal roller bearings and similar to spherical roller bearings, but can accommodate
Rolling-element_bearing
Electromagnetic coil containing two closely spaced parallel windings
Bifilar wound toroidal transformer, also known as a common-mode choke
Bifilar_coil
Solid with 2 parallel n-gonal bases connected by n parallelograms
centre. A crossed prism is topologically identical to an n-gonal prism. A toroidal prism is a nonconvex polyhedron like a crossed prism, but without bottom
Prism_(geometry)
Mechanism explaining sunspot patterns
the internal toroidal magnetic field to the external poloidal field, and sunspots diminish in number. At a solar-cycle minimum, the toroidal field is, correspondingly
Babcock_model
Maximal instantaneous input current drawn by an electrical device when first turned on
larger than the rated transformer current can flow for several cycles. Toroidal transformers, using less copper for the same power handling, can have up
Inrush_current
Cloud of debris and smoke from a large explosion
"afterwinds", while, inside the head of the cloud, the hot gases rotate in a toroidal shape. When the detonation altitude is low enough, these afterwinds will
Mushroom_cloud
Undirected graph with 14 vertices
disjoint pair of 6-cycles, is the Coxeter graph. The Heawood graph is a toroidal graph; that is, it can be embedded without crossings onto a torus. The
Heawood_graph
Topics referred to by the same term
the cylindrical coordinate system ρ, a term in toroidal coordinates ρ, magnetic coordinates in toroidal and poloidal coordinates ρ, spectral radius of
Rho_(disambiguation)
Voltage booster electronic circuit
components and how they are connected. This example uses a red LED. A ferrite toroid is wound to form a coil with primary (white) and feedback (green) windings
Joule_thief
Geometric model of the physical space
Reuleaux cuboid Cube Octahedron Dodecahedron Icosahedron Pyramid Star Toroidal Ideal Solid of revolution Sphere Great circle Cylinder Cone Four - other-dimensional
Three-dimensional_space
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