Air Mass Transformation along Trajectories of Airflow and Its
... The Yamase is a cool easterly wind that is observed in summer along the eastern coast of the northern part of the main island (Honshu) of Japan. It usually accompanies a boundary layer cloud, the ‘‘Yamase cloud.’’ The origin of the Yamase is the cool polar maritime air mass that develops over the No ...
... The Yamase is a cool easterly wind that is observed in summer along the eastern coast of the northern part of the main island (Honshu) of Japan. It usually accompanies a boundary layer cloud, the ‘‘Yamase cloud.’’ The origin of the Yamase is the cool polar maritime air mass that develops over the No ...
seasonal adjustment of solar heat gatn in a desert mammal by
... device were previously described by Walsberg (1988a,b). Skin temperature was maintained near 40 °C. Temperature of the skin surface and the upper fur surface was sensed using two sets of three thermocouples (0-05 mm diameter, copper/constantan) connected in parallel, with connecting wires of equal l ...
... device were previously described by Walsberg (1988a,b). Skin temperature was maintained near 40 °C. Temperature of the skin surface and the upper fur surface was sensed using two sets of three thermocouples (0-05 mm diameter, copper/constantan) connected in parallel, with connecting wires of equal l ...
Transient geotherms in Archean continental lithosphere: New
... be in thermal equilibrium with the instantaneous rate of heat production in the lithospheric mantle and heat supplied to its base. Comparison of xenolith (P,T) data with time-dependent thermal models allows constraints on lithosphere thickness, in situ heat production in the lithospheric mantle and ...
... be in thermal equilibrium with the instantaneous rate of heat production in the lithospheric mantle and heat supplied to its base. Comparison of xenolith (P,T) data with time-dependent thermal models allows constraints on lithosphere thickness, in situ heat production in the lithospheric mantle and ...
Natural Convection and Entropy Generation in Nanofluid Filled
... in a tilted porous cavity with natural convection effect based on minimum entropy generation. In this study, heat transfer and fluid flow inside two trapezoidal cavities were numerically investigated. This configuration may be encountered in heat exchanger for the purpose of heat recovery from hot f ...
... in a tilted porous cavity with natural convection effect based on minimum entropy generation. In this study, heat transfer and fluid flow inside two trapezoidal cavities were numerically investigated. This configuration may be encountered in heat exchanger for the purpose of heat recovery from hot f ...
Solidification in heat packs: I. Nucleation rate
... The expression for the number of incipient nuclei in Eq. 5 requires the calculation of the free energy of forming one incipient nucleus, ⌬⍀ nU . We can represent the energy of forming a cluster of n molecules, ⌬⍀ n , as a sum of three contributions, from volume effects ⌬G® Žmelting., surface effects ...
... The expression for the number of incipient nuclei in Eq. 5 requires the calculation of the free energy of forming one incipient nucleus, ⌬⍀ nU . We can represent the energy of forming a cluster of n molecules, ⌬⍀ n , as a sum of three contributions, from volume effects ⌬G® Žmelting., surface effects ...
The suitability of a compact thermosyphon heat
... semiconductors would benefit from lower temperature levels, because high temperatures in the components result in fast aging and eventually breaking of the component. For example, it is said that every 10 ⁰C increase in the semiconductor chip’s junction temperature reduces semiconductor lifespan by ...
... semiconductors would benefit from lower temperature levels, because high temperatures in the components result in fast aging and eventually breaking of the component. For example, it is said that every 10 ⁰C increase in the semiconductor chip’s junction temperature reduces semiconductor lifespan by ...
Occupant comfort in UK offices—How adaptive comfort theories
... The replacement heating system is a low nitrogen-oxide, gas-fired condensing boiler feeding low pressure hot water fin radiators (located in the perimeter casings) which tempers the air entering the building through the NV grilles (Fig. 2). Controlled by the BEMS, the system operates until the set p ...
... The replacement heating system is a low nitrogen-oxide, gas-fired condensing boiler feeding low pressure hot water fin radiators (located in the perimeter casings) which tempers the air entering the building through the NV grilles (Fig. 2). Controlled by the BEMS, the system operates until the set p ...
Third year
... Heat transfer by convection: Fundamental considerations in convective heat transfer, significant parameters in convective heat transfer such as momentum diffusivity, thermal diffusivity, Prandtl number, Nusselt number, dimensional analysis of convective heat transfer-Natural and Forced convection, c ...
... Heat transfer by convection: Fundamental considerations in convective heat transfer, significant parameters in convective heat transfer such as momentum diffusivity, thermal diffusivity, Prandtl number, Nusselt number, dimensional analysis of convective heat transfer-Natural and Forced convection, c ...
here - BYU Department of Mechanical Engineering
... salt is extracted from this tank and sent to the plant power block for steam generation. While this system is simple and effective, mass balance in the collection loop requires a second tank upstream of the solar receiver to store the excess cold salt exiting the power block. This cold tank adds to ...
... salt is extracted from this tank and sent to the plant power block for steam generation. While this system is simple and effective, mass balance in the collection loop requires a second tank upstream of the solar receiver to store the excess cold salt exiting the power block. This cold tank adds to ...
Overheating in new homes
... Firstly, the energy efficiency and zero carbon agendas have resulted in a drive for more highly insulated and airtight dwellings, in both new build and retrofit. Historically in the UK the use of heavyweight construction materials and limited amounts of thermal insulation, allied with high levels of ...
... Firstly, the energy efficiency and zero carbon agendas have resulted in a drive for more highly insulated and airtight dwellings, in both new build and retrofit. Historically in the UK the use of heavyweight construction materials and limited amounts of thermal insulation, allied with high levels of ...
The Effects of Thermal Bridging at Interface Conditions
... Heat is transferred in different modes including conduction, convection, and radiation. At a macro level, the three mechanisms are best described by real life examples. A person sitting with his feet in contact with a cold floor experiences discomfort when heat is transferred by conduction from the ...
... Heat is transferred in different modes including conduction, convection, and radiation. At a macro level, the three mechanisms are best described by real life examples. A person sitting with his feet in contact with a cold floor experiences discomfort when heat is transferred by conduction from the ...
Thermohaline Circulation Stability in a Coupled
... List of Figures Vertical view of the box model in the northern hemisphere ........... ...
... List of Figures Vertical view of the box model in the northern hemisphere ........... ...
J032
... Figure 2 shows a comparison of Wambsganss et al. (1993) data with the present correlation. The tube diameter is 2.92 mm with R-113 as the working fluid. Since the Reynolds number is around 2000, the use of Gnielinski or Dittus-Boelter correlations is not appropriate. Although not applicable, they ar ...
... Figure 2 shows a comparison of Wambsganss et al. (1993) data with the present correlation. The tube diameter is 2.92 mm with R-113 as the working fluid. Since the Reynolds number is around 2000, the use of Gnielinski or Dittus-Boelter correlations is not appropriate. Although not applicable, they ar ...
REVIEW OF INNOVATIVE DRYING METHODS
... working fluid, a refrigerant such as R-12 or R-114, is a hot pressurized vapor as it leaves the compressor. In the condenser it cools and condenses to a vapor-liquid mixture. It then passes through an expansion valve which regulates the flow rate, causes a pressure drop, and causes further cooling a ...
... working fluid, a refrigerant such as R-12 or R-114, is a hot pressurized vapor as it leaves the compressor. In the condenser it cools and condenses to a vapor-liquid mixture. It then passes through an expansion valve which regulates the flow rate, causes a pressure drop, and causes further cooling a ...
Reliability Considerations for SuperFlux LEDs
... Refer to Application Note 11492 Mechanical Design Considerations for SuperFlux LEDs for a description of the procedure and ...
... Refer to Application Note 11492 Mechanical Design Considerations for SuperFlux LEDs for a description of the procedure and ...
Convective Heat Transfer over a Wall Mounted Cube Using Large
... Such convective boundary condition is capable of predicting unsteady flow behaviour at the exit with good accuracy. The spanwise boundary condition was selected symmetry. Surfaces of cube and plate have wall boundary condition. Surfaces of cube and plate were under condition of constant heat flux. T ...
... Such convective boundary condition is capable of predicting unsteady flow behaviour at the exit with good accuracy. The spanwise boundary condition was selected symmetry. Surfaces of cube and plate have wall boundary condition. Surfaces of cube and plate were under condition of constant heat flux. T ...
A pre-feasibility study to assess the potential of Open Loop Ground
... renewable energy sources. Ground source heat presents such a viable alternative, having been hydrogeologically and economically refined through much research, design and development in the European Union and elsewhere over the past 20 years. This study investigated the hydrogeologic potential of usi ...
... renewable energy sources. Ground source heat presents such a viable alternative, having been hydrogeologically and economically refined through much research, design and development in the European Union and elsewhere over the past 20 years. This study investigated the hydrogeologic potential of usi ...
Mantle Lithosphere Heat Flow Page 1 of 43 In
... found to produce reproducible results under a variety of different confining pressures and stack configurations. As many of the experimental runs above 500oC resulted in fractured standards in the stack, we are only confident in the results from these runs as semi-quantitative. However, within indiv ...
... found to produce reproducible results under a variety of different confining pressures and stack configurations. As many of the experimental runs above 500oC resulted in fractured standards in the stack, we are only confident in the results from these runs as semi-quantitative. However, within indiv ...
Study of a Transformer Thermal System
... to deal with complicated geometries and represent on the same time several phenomenas (heat and mass transportation) that if are used carefully and systematically can allow the creation of more numerical models, namely the thermal component of the transformer. In this work, I have done a thermal stu ...
... to deal with complicated geometries and represent on the same time several phenomenas (heat and mass transportation) that if are used carefully and systematically can allow the creation of more numerical models, namely the thermal component of the transformer. In this work, I have done a thermal stu ...
Böttcher N, Watanabe N, Kolditz O OpenGeoSys Tutorial Basics of
... and HM-Intercomp (coupled hydrosystems). The basic concept is to provide a flexible numerical framework (using primarily the Finite Element Method (FEM)) for solving coupled multifield problems in porous-fractured media. The software is written with an object-oriented (C++) FEM concept including a b ...
... and HM-Intercomp (coupled hydrosystems). The basic concept is to provide a flexible numerical framework (using primarily the Finite Element Method (FEM)) for solving coupled multifield problems in porous-fractured media. The software is written with an object-oriented (C++) FEM concept including a b ...
Chapter 18 Heat and the First Law of Thermodynamics
... is confined to half of an insulated container by a thin partition. The other half of the container is a vacuum. The partition is punctured and equilibrium is quickly reestablished. Which of the following is correct? (a) The gas pressure is 0.50 atm and the temperature of the gas is 150 K. (b) The ga ...
... is confined to half of an insulated container by a thin partition. The other half of the container is a vacuum. The partition is punctured and equilibrium is quickly reestablished. Which of the following is correct? (a) The gas pressure is 0.50 atm and the temperature of the gas is 150 K. (b) The ga ...
Sadi Carnot, 'Founder of the Second Law of Thermodynamics'
... which depends only on the temperatures of the reservoirs between which the engine operates. In the Réflexions Carnot gives two proofs that it is impossible to have a heat engine more efficient than the most efficient steam engine. The first proof was ‘an approximation’, and the second proof was a ‘ ...
... which depends only on the temperatures of the reservoirs between which the engine operates. In the Réflexions Carnot gives two proofs that it is impossible to have a heat engine more efficient than the most efficient steam engine. The first proof was ‘an approximation’, and the second proof was a ‘ ...
Global distribution of the lithosphere-asthenosphere
... Lithgow-Bertelloni, 2006). There are also evidences indicating that the lithosphere is thickest, strongest and most refractory within the cratonic nuclei of continents (e.g., Jordan, 1981; Plomerová et al, 2006; Plomerová and Babuška, 2010). Recent advances in seismological data analysis and inte ...
... Lithgow-Bertelloni, 2006). There are also evidences indicating that the lithosphere is thickest, strongest and most refractory within the cratonic nuclei of continents (e.g., Jordan, 1981; Plomerová et al, 2006; Plomerová and Babuška, 2010). Recent advances in seismological data analysis and inte ...
Crustal geotherm in southern Deccan Basalt
... similar to the thermal structure of the adjoining Dharwar craton. The Moho of the Deccan crust is as cold as that of the Dharwar crust. Therefore, it appears that there is no apparent thermal trace of a Reunion plume or any other thermal anomaly responsible for the genesis of the Deccan basalts, in ...
... similar to the thermal structure of the adjoining Dharwar craton. The Moho of the Deccan crust is as cold as that of the Dharwar crust. Therefore, it appears that there is no apparent thermal trace of a Reunion plume or any other thermal anomaly responsible for the genesis of the Deccan basalts, in ...