• In astrodynamics, the characteristic energy ( C 3 {\displaystyle C_{3}} ) is a measure of the excess specific energy over that required to just barely...
    5 KB (679 words) - 03:54, 28 December 2023
  • Thumbnail for Thermal energy
    mechanisms other than thermodynamic work and transfer of matter. The characteristic energy kBT associated with a single microscopic degree of freedom, where...
    8 KB (936 words) - 00:21, 19 November 2024
  • Thumbnail for Parabolic trajectory
    orbit. It is also sometimes referred to as a C3 = 0 orbit (see Characteristic energy). Under standard assumptions a body traveling along an escape orbit...
    7 KB (1,091 words) - 22:08, 14 October 2024
  • The characteristic energy length scale χ {\displaystyle \chi } describes the size of the region from which energy flows to a rapidly moving crack. If...
    504 bytes (49 words) - 19:43, 16 June 2024
  • Thumbnail for Boltzmann constant
    corresponds to Shannon's subsequent information entropy. The characteristic energy kT is thus the energy required to increase the rescaled entropy by one nat...
    26 KB (2,924 words) - 01:31, 14 November 2024
  • the excess energy compared to that of a parabolic orbit. In this case the specific orbital energy is also referred to as characteristic energy. For an elliptic...
    11 KB (1,960 words) - 09:50, 27 October 2024
  • Characteristic velocity or c ∗ {\displaystyle c^{*}} , or C-star is a measure of the combustion performance of a rocket engine independent of nozzle performance...
    2 KB (343 words) - 17:24, 13 December 2023
  • In linear algebra, the characteristic polynomial of a square matrix is a polynomial which is invariant under matrix similarity and has the eigenvalues...
    19 KB (3,038 words) - 11:34, 3 October 2024
  • lower energy levels produces X-rays with frequencies that are characteristic to each element. Sometimes, however, instead of releasing the energy in the...
    8 KB (988 words) - 06:34, 13 September 2023
  • Thumbnail for Electron capture
    this single emitted neutrino carries the entire decay energy, it has this single characteristic energy. Similarly, the momentum of the neutrino emission causes...
    14 KB (1,279 words) - 19:26, 9 February 2024
  • Thumbnail for Lorentz oscillator model
    phenomenological model for materials with characteristic resonance frequencies (or other characteristic energy scales) for optical absorption, e.g. ionic...
    11 KB (1,516 words) - 14:20, 9 October 2024
  • Thumbnail for Band gap
    Band gap (redirect from Band gap energy)
    amount of energy for the transition. This required energy is an intrinsic characteristic of the solid material. Electrons can gain enough energy to jump...
    23 KB (2,484 words) - 15:44, 6 November 2024
  • Thumbnail for Escape velocity
    escape orbit. Escape orbits are known as C3 = 0 orbits. C3 is the characteristic energy, = −GM/2a, where a is the semi-major axis, which is infinite for...
    28 KB (3,658 words) - 17:32, 7 November 2024
  • Thumbnail for X-ray fluorescence
    emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma...
    46 KB (5,695 words) - 19:15, 21 November 2024
  • Thumbnail for Porkchop plot
    (also pork-chop plot) is a chart that shows level curves of equal characteristic energy (C3) against combinations of launch date and arrival date for a...
    4 KB (373 words) - 21:26, 18 April 2024
  • Thumbnail for Characteristic impedance
    characteristic impedance is the ohm. The characteristic impedance of a lossless transmission line is purely real, with no reactive component. Energy supplied...
    28 KB (4,069 words) - 07:45, 30 April 2024
  • Thumbnail for Energy-dispersive X-ray spectroscopy
    energy of the X-rays emitted from a specimen can be measured by an energy-dispersive spectrometer. As the energies of the X-rays are characteristic of...
    12 KB (1,633 words) - 22:21, 4 May 2024
  • Thumbnail for Hyperbolic trajectory
    is directly linked to the specific orbital energy ( ϵ {\displaystyle \epsilon \,} ) or characteristic energy C 3 {\displaystyle C_{3}} of the orbit, and...
    14 KB (1,724 words) - 00:38, 1 November 2024
  • Thumbnail for Semi-major and semi-minor axes
    Earth–Moon system. The mass ratio in this case is 81.30059. The Earth–Moon characteristic distance, the semi-major axis of the geocentric lunar orbit, is 384...
    17 KB (2,374 words) - 13:06, 24 October 2024
  • Chemistry (section Energy)
    from one substance to another as thermal or electrical energy. The existence of characteristic energy levels for different chemical substances is useful for...
    83 KB (9,193 words) - 01:13, 26 October 2024
  • Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart) is a wireless personal area network technology designed and...
    45 KB (4,724 words) - 20:10, 4 November 2024
  • Thumbnail for Elliptic orbit
    this as a corollary of his law of universal gravitation. Apsis Characteristic energy Ellipse List of orbits Orbital eccentricity Orbit equation Parabolic...
    19 KB (2,744 words) - 18:40, 10 November 2024
  • Thumbnail for Atom
    Atom (section Energy levels)
    electron in a higher energy state can drop to a lower energy state while radiating the excess energy as a photon. These characteristic energy values, defined...
    126 KB (12,933 words) - 22:22, 13 November 2024
  • aspects of the motion do not change: the angular momentum and the mechanical energy. The first constant, called specific angular momentum, can be defined as...
    13 KB (1,900 words) - 01:47, 27 February 2023
  • Thumbnail for Low Earth orbit
    be economically useful. A low Earth orbit requires the lowest amount of energy for satellite placement. It provides high bandwidth and low communication...
    19 KB (2,126 words) - 18:36, 21 November 2024
  • Thumbnail for X-ray
    X-ray (section Energy ranges)
    with a characteristic energy of 160 keV are observed. A possible explanation is the encounter of two streamers and the production of high-energy run-away...
    105 KB (12,552 words) - 09:47, 22 November 2024
  • Thumbnail for Delta-v budget
    specific kinetic energy of 443 km2/s2. One must add to this the potential energy depth of LEO, about 61 km2/s2, to give a kinetic energy close to Earth...
    25 KB (2,727 words) - 05:46, 23 January 2024
  • Thumbnail for Excited state
    ground state or a lower excited state, by emitting a photon with a characteristic energy. Emission of photons from atoms in various excited states leads...
    9 KB (942 words) - 10:18, 17 November 2024
  • Thumbnail for Wind power
    Wind power (redirect from Wind energy)
    Wind power is the use of wind energy to generate useful work. Historically, wind power was used by sails, windmills and windpumps, but today it is mostly...
    125 KB (11,218 words) - 06:16, 11 November 2024
  • A current–voltage characteristic or I–V curve (current–voltage curve) is a relationship, typically represented as a chart or graph, between the electric...
    10 KB (1,162 words) - 06:23, 17 April 2024