Practical Power Cable Ampacity Analysis
... Underground cable ampacity values provided by cable manufacturers or relevant standards such as the NEC and IEEE Std 835-1994, are frequently based on specific laying conditions that were considered as important relative to the cable’s immediate surrounding environment. Site specific conditions can ...
... Underground cable ampacity values provided by cable manufacturers or relevant standards such as the NEC and IEEE Std 835-1994, are frequently based on specific laying conditions that were considered as important relative to the cable’s immediate surrounding environment. Site specific conditions can ...
Refrigeration and Air- Conditioning
... that for the refrigerating machine operating between the same temperature limits.[IES-2002; IAS-2002] Reason (R): The refrigerating machine requires more energy for working where as a heat pump requires less. (a)Both A and R are individually true and R is the correct explanation of A (b)Both A and R ...
... that for the refrigerating machine operating between the same temperature limits.[IES-2002; IAS-2002] Reason (R): The refrigerating machine requires more energy for working where as a heat pump requires less. (a)Both A and R are individually true and R is the correct explanation of A (b)Both A and R ...
LIFE-HISTORY EVOLUTION IN REPTILES
... and birds that maintain relatively high and constant internal temperatures via their own metabolic processes, reptiles are ectotherms. By exploiting ambient thermal heterogeneity to control its internal temperature, a reptile may be able to achieve a body temperature as high as that of a sympatric e ...
... and birds that maintain relatively high and constant internal temperatures via their own metabolic processes, reptiles are ectotherms. By exploiting ambient thermal heterogeneity to control its internal temperature, a reptile may be able to achieve a body temperature as high as that of a sympatric e ...
Construction of microcanonical entropy on
... " = const, i.e., d" = ωδQ = 0. Note that the density of states is a strictly positive function ω = ∂"/∂E > 0. This is because increasing the energy results in a strictly larger enclosed volume in the phase space. Thus, the adiabatic manifolds are characterized by the condition δQ = 0 (i.e., any path ...
... " = const, i.e., d" = ωδQ = 0. Note that the density of states is a strictly positive function ω = ∂"/∂E > 0. This is because increasing the energy results in a strictly larger enclosed volume in the phase space. Thus, the adiabatic manifolds are characterized by the condition δQ = 0 (i.e., any path ...
Segregation of phosphorus to ferrite grain boundaries during
... temperature history as experienced by the ferrite 1 , can be evaluated. It is noted that t is the time for the completion of transformation and D is diffusivity at migrating interface in this case. Since the diffusivity in the migrating α/γ interface is not available, we adopted the coefficient for diffu ...
... temperature history as experienced by the ferrite 1 , can be evaluated. It is noted that t is the time for the completion of transformation and D is diffusivity at migrating interface in this case. Since the diffusivity in the migrating α/γ interface is not available, we adopted the coefficient for diffu ...
The Second Law of Thermodynamics
... conditions. Ice melts at 20 C and 1 atm, but water at the same temperature and pressure will not spontaneously turn into ice. A leaf lying on the ground will not rise into the air on its own and return to the branch from which it came. Viewed backwards, a movie of a baseball smashing a window to pi ...
... conditions. Ice melts at 20 C and 1 atm, but water at the same temperature and pressure will not spontaneously turn into ice. A leaf lying on the ground will not rise into the air on its own and return to the branch from which it came. Viewed backwards, a movie of a baseball smashing a window to pi ...
Ch. 1
... no indication about how long the process will take. A thermodynamic analysis simply tells us how much heat must be transferred to realize a specified change of state to satisfy the conservation of energy principle. In practice we are more concerned about the rate of heat transfer (heat transfer per ...
... no indication about how long the process will take. A thermodynamic analysis simply tells us how much heat must be transferred to realize a specified change of state to satisfy the conservation of energy principle. In practice we are more concerned about the rate of heat transfer (heat transfer per ...
Global distribution of the lithosphere-asthenosphere
... V. M. Hamza and F. P. Vieira: Global distribution of the lithosphere-asthenosphere boundary Hamza et al. (2010) presented a model that takes into consideration the thermal consequences of variable rates of magma accretion at the lower boundary of the lithosphere. According to this model (designated ...
... V. M. Hamza and F. P. Vieira: Global distribution of the lithosphere-asthenosphere boundary Hamza et al. (2010) presented a model that takes into consideration the thermal consequences of variable rates of magma accretion at the lower boundary of the lithosphere. According to this model (designated ...
- WRAP: Warwick Research Archive Portal
... captured and accurately described by various model levels and compact models. A comprehensive discussion of this topic is provided in [13]–[18]. An IGBT model based on semiconductor physics has provided our approach for finding the analytical solution of transient thermal response. The approach of t ...
... captured and accurately described by various model levels and compact models. A comprehensive discussion of this topic is provided in [13]–[18]. An IGBT model based on semiconductor physics has provided our approach for finding the analytical solution of transient thermal response. The approach of t ...
cooling of electronic equipment
... electric current to perform their duties, and they become potential sites for excessive heating, since the current flow through a resistance is accompanied by heat generation. Continued miniaturization of electronic systems has resulted in a dramatic increase in the amount of heat generated per unit ...
... electric current to perform their duties, and they become potential sites for excessive heating, since the current flow through a resistance is accompanied by heat generation. Continued miniaturization of electronic systems has resulted in a dramatic increase in the amount of heat generated per unit ...
The thermal properties of some nests of the Eurasian Tree Sparrow
... montanus). These birds can rear 2–3 broods in a season, and during the autumn display may rebuild the nest they used for breeding, or construct a new one (Pielowski and Pinowski, 1962; Pinowski, 1965, 1966, 1967, 1968). A nest built in autumn can serve as a winter nocturnal roosting site for the pai ...
... montanus). These birds can rear 2–3 broods in a season, and during the autumn display may rebuild the nest they used for breeding, or construct a new one (Pielowski and Pinowski, 1962; Pinowski, 1965, 1966, 1967, 1968). A nest built in autumn can serve as a winter nocturnal roosting site for the pai ...
Extension of the Wu-Jing equation of state (EOS) for highly porous
... and 2) the part responsible for inter-particle interactions. Obviously, this model suffers from being invalid in low-pressure, low-temperature regimes. The developments in this paper are based on the idea that it is more natural to extrapolate the porous Hugoniot from the solid Hugoniot (or a gas Hu ...
... and 2) the part responsible for inter-particle interactions. Obviously, this model suffers from being invalid in low-pressure, low-temperature regimes. The developments in this paper are based on the idea that it is more natural to extrapolate the porous Hugoniot from the solid Hugoniot (or a gas Hu ...