Results 121 to 130 of about 352,471 (170)
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Acoustically enhanced heat transport
Review of Scientific Instruments, 2016We investigate the enhancement of heat transfer in the nucleate boiling regime by inducing high frequency acoustic waves (f ∼ 106 Hz) on the heated surface. In the experiments, liquid droplets (deionized water) are dispensed directly onto a heated, vibrating substrate.
Kar M. Ang +4 more
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Heat of transport of air in clay
Radiation Protection Dosimetry, 2006By measuring the thermomolecular pressure difference and using principles of irreversible thermodynamics, heat of transport of air in clay and its coefficient of diffusion are found. A comparison of thermotranspiration and pressure driven gas fluxes through concrete slab in homes is examined.
Leonid, Minkin, Alexander S, Shapovalov
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Heat Transport without Heating?
2020When the spatial dimensions of metallic heterostructures shrink below the mean free path of its conduction electrons, the transport of electrons and hence the transport of thermal energy by electrons continuously changes from diffusive to ballistic.
Pudell, Jan-Etienne (Dr.) +5 more
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Estimating Heat-Transport and Time-Delays in a Heat Exchanger
2018 IEEE Conference on Control Technology and Applications (CCTA), 2018Transport and heat exchange phenomena occuring in a heat exchanger can be modeled as first-order hyperbolic partial differential equations (PDEs). Reformulating these equations as a time-delay system preserves the infinite-dimensional property of the system, yet decreases its mathematical complexity.
Sandra Hamze +3 more
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Particle transport and heat loads in NIO1
Review of Scientific Instruments, 2015NIO1 is a compact radio frequency ion source designed to generate a 60 kV-135 mA hydrogen negative ion beam and it aims at continuous operation, which implies a detailed thermo-mechanical analysis of the beam-facing components, in particular, the accelerator grids. A 3D analysis of the entire NIO1 beam has been performed for the first time with a fully
Fonnesu N +3 more
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International Journal of Heat and Mass Transfer, 1995
It is known that heat transfer between two liquid-reservoirs maintained at different temperatures and connected to each other by a capillary bundle is markedly enhanced by oscillatory flow in the bundle. In this paper, first, the effects of physical properties of the working liquid on the enhanced heat flow rate are investigated.
Shigefumi Nishio +2 more
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It is known that heat transfer between two liquid-reservoirs maintained at different temperatures and connected to each other by a capillary bundle is markedly enhanced by oscillatory flow in the bundle. In this paper, first, the effects of physical properties of the working liquid on the enhanced heat flow rate are investigated.
Shigefumi Nishio +2 more
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Heat transportation by oscillatory flow in a new type of heat transportation pipe
International Journal of Heat and Mass Transfer, 2009Abstract The present paper deals with experimental and numerical study on the longitudinal heat transportation by an oscillatory water flow in a double tube type heat transportation pipe. Experiments were performed to measure the heat transportation rate in the ranges of 2.3 ⩽ Wo ⩽ 7.2 and 400 ⩽ Re max ⩽ 6600.
Makoto Hishida +3 more
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1996
In this chapter, we shall take a closer look at the transport of entropy. Simple aspects will be introduced that go beyond what we already studied in Chapter 4 (Section 4.6). This extends the treatment of thermal processes into the realm of phenomena which are missing from the theory of the thermodynamics of ideal fluids (Chapter 5).
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In this chapter, we shall take a closer look at the transport of entropy. Simple aspects will be introduced that go beyond what we already studied in Chapter 4 (Section 4.6). This extends the treatment of thermal processes into the realm of phenomena which are missing from the theory of the thermodynamics of ideal fluids (Chapter 5).
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Decoupling charge and heat transport
Science, 2017Solid-State Physics In metals, electrons carry both charge and heat. As a consequence, electrical conductivity and the electronic contribution to the thermal conductivity are typically proportional to each other. Lee et al.
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1990
In this chapter, our primary objective is to construct models of heat transport in porous media. However, since advection (with a fluid moving through the void space), is one of the transport modes, any heat transport model must treat, simultaneously, also the transport of fluid(s) mass.
Jacob Bear, Yehuda Bachmat
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In this chapter, our primary objective is to construct models of heat transport in porous media. However, since advection (with a fluid moving through the void space), is one of the transport modes, any heat transport model must treat, simultaneously, also the transport of fluid(s) mass.
Jacob Bear, Yehuda Bachmat
openaire +1 more source