F. Formation energy The enthalpy of formation energy (ΔE) of a compound is the energy change associated with the formation of one mole of the compound from its constituent elements in their standard states. It can be calculated using the following formula: [Math Processing Error]ΔE = ETotal...
Plank has developed a formula for the monochromatic emissive power of a black body from quantum mechanics as shown in the following: 16Ebλ=C1λ−5exp(C2/λT)−1, where C1 = 3.743 × 108 W·μ m4/m2 and C2 = 1.439 × 104 μ m·K, and λ is the wavelength in micrometers. ...
For a typical internal combustion engine, the ability to turn thechemical energyof fuels into mechanical power as output is measured by the brake thermal efficiency (BTE). As an important variable, BTE provides significant insight into potential engine performance [341,342]. As pointed out by Wan...
A revised equipartition formula to account for energy losses in nearby (within 160 Mpc) starburst galaxies estimated34 equipartition B field strengths in the range 70–770 μG. Recent far-infrared polarimetric observations21 of the starburst galaxy M82 showed that the turbulent B field strength...
A different formulation of heat conduction in sufficiently pure metals, yielding the same formula for the thermal conductivity, is provided in the present investigation using the free electron Fermi gas energy distribution with the thermal conductivity determined from the net heat transfer occurring due ...
A thermodynamic potential in local thermal equilibrium, or the so-called Masseiu-Planck functional, is identified as a generating functional for conserved currents such as the energy-momentum tensor and the electric current. 展开 关键词: Finite temperature field theory Path integrals Quantum fields in...
A constant coefficient model for HTSC is presented which gives analytical expressions for monostable zone velocity. Over a wide range of currents the velocity is given by universal formula dependent on normal substrate properties only. The effect of transient heat transfer is analysed. 展开 ...
In particular, a general formula is obtained for the resonant scatte... VI Altukhov,GS Zavt - 《Physica Status Solidi B》 被引量: 11发表: 2010年 Lattice thermal conductivity in mixed crystals in the absence of mass mismatch: Investigation of N_2-CO solid solution Mutual solid solution of...
It is known that the atomic-scale simulations need to determine the PES that provides the potential energy as a function of atomic positions. In principle, the most accurate PES can be obtained by quantum mechanics calculations, which is however very time-consuming and even prohibitive for large...
{\exp }\)extracted from the fits, as a function of frequency. Red solid line: the best fit using formula (1) as described in the text. Green and purples lines: the SPhP wavelength\({\lambda }_{p}=2\pi /{{{\mathrm{Re}}}({q}_{p})\)and the light wavelength\({\lambda }_...