An energy efficient building for the Arctic climate
... shallow angles. The great winds and storms have large effects on the infiltration of buildings and they heavily influence the infiltration heat loss through the building envelope. The wind patterns have large influences on the local microclimate around the building and create the snowdrift and probl ...
... shallow angles. The great winds and storms have large effects on the infiltration of buildings and they heavily influence the infiltration heat loss through the building envelope. The wind patterns have large influences on the local microclimate around the building and create the snowdrift and probl ...
ThermalScope: Multi-Scale Thermal Analysis For
... including molecular dynamics methods, Boltzmann transport equation (BTE), and ballistic-diffusion model. Computational complexity has been the primary challenge of adopting nanoscale heat transfer methods for large-scale IC chip–package thermal analysis. Molecular dynamics methods model heat transfe ...
... including molecular dynamics methods, Boltzmann transport equation (BTE), and ballistic-diffusion model. Computational complexity has been the primary challenge of adopting nanoscale heat transfer methods for large-scale IC chip–package thermal analysis. Molecular dynamics methods model heat transfe ...
Ventilative Cooling
... members to exploit technological opportunities to save energy in the buildings sector, and to remove technical obstacles to market penetration of new energy conservation technologies. The R&D strategies apply to residential, commercial, office buildings and community systems, and will impact the bui ...
... members to exploit technological opportunities to save energy in the buildings sector, and to remove technical obstacles to market penetration of new energy conservation technologies. The R&D strategies apply to residential, commercial, office buildings and community systems, and will impact the bui ...
Review on graphite foam as thermal material for heat exchangers
... significant factor, it is necessary to introduce a thermal material with low density, high thermal conductivity and large specific surface area. An efficient thermal management method is the utilization of microcellular foam materials such as metal or graphite foams, based on the enhancement of heat ...
... significant factor, it is necessary to introduce a thermal material with low density, high thermal conductivity and large specific surface area. An efficient thermal management method is the utilization of microcellular foam materials such as metal or graphite foams, based on the enhancement of heat ...
Experimental Investigation of the Fluid Temperature Field and the
... It is anticipated that from 2010 to 2030, world primary energy demand will increase at a rate of 1.7 % per annum [1]. Despite the harmful emissions from the burning of fossil fuels, the reliance of fossil fuels to meet the global energy demand will continue over the next few decades. It has been pre ...
... It is anticipated that from 2010 to 2030, world primary energy demand will increase at a rate of 1.7 % per annum [1]. Despite the harmful emissions from the burning of fossil fuels, the reliance of fossil fuels to meet the global energy demand will continue over the next few decades. It has been pre ...
Commissioning tools for improved energy performance
... The demands of building users regarding the environment are growing. We all request a comfortable and healthy indoor environment but we do not accept any more excessive use of natural resources and pollution of outdoor environment. The energy consumption and the energy costs should indeed be kept on ...
... The demands of building users regarding the environment are growing. We all request a comfortable and healthy indoor environment but we do not accept any more excessive use of natural resources and pollution of outdoor environment. The energy consumption and the energy costs should indeed be kept on ...
Aalborg Universitet Cooling of the Building Structure by Night-time Ventilation Artmann, Nikolai
... solution of one-dimensional heat conduction in a slab with convective boundary condition. The potential of increasing thermal mass by using phase change materials (PCM) was also estimated. The results show a significant impact of the heat transfer coefficient on heat storage capacity, especially for ...
... solution of one-dimensional heat conduction in a slab with convective boundary condition. The potential of increasing thermal mass by using phase change materials (PCM) was also estimated. The results show a significant impact of the heat transfer coefficient on heat storage capacity, especially for ...
Advances in High-Power Laser Diode Packaging
... Table 2 shows a list of some common solder materials used in laser diode packaging. Soft solder, commonly containing large percentage of lead, tin and indium, has very low yield strength and incurs plastic deformation under stresses. Their capability to deform plastically helps to relieve the stress ...
... Table 2 shows a list of some common solder materials used in laser diode packaging. Soft solder, commonly containing large percentage of lead, tin and indium, has very low yield strength and incurs plastic deformation under stresses. Their capability to deform plastically helps to relieve the stress ...
“Heat and Mass Transfer.” The CRC Ha - Ewp.rpi.edu
... In this equation, α is the thermal diffusivity, and q· G is the internal heat generation per unit volume. Some problems, typically steady-state, one-dimensional formulations where only the heat flux is desired, can be easily solved using Equation (3.1.1). Most conduction analyses are performed with ...
... In this equation, α is the thermal diffusivity, and q· G is the internal heat generation per unit volume. Some problems, typically steady-state, one-dimensional formulations where only the heat flux is desired, can be easily solved using Equation (3.1.1). Most conduction analyses are performed with ...
Adaptive Welding by Fiber Optic Thermographic Sensing: An
... equation during welding has been given by Rosenthal (Ref. 16) and has been refined by several other authors (Ref. 17). Such analytical models provide a good general idea of the temperature distribution during welding, but they are limited to idealized plate geometries and heat source distributions. ...
... equation during welding has been given by Rosenthal (Ref. 16) and has been refined by several other authors (Ref. 17). Such analytical models provide a good general idea of the temperature distribution during welding, but they are limited to idealized plate geometries and heat source distributions. ...
Thermal Dissipation and Variability in Electrical Breakdown of Carbon Nanotube Devices
... The typical “inverted U” shape of the temperature profile under uniform heat generation in m-CNTs is shown in Fig. 2共c兲 with C2 = 0. This has previously been observed experimentally in nanotubes under high bias operation, both by scanning thermal microscopy31 and by coating the CNTs with a phase-cha ...
... The typical “inverted U” shape of the temperature profile under uniform heat generation in m-CNTs is shown in Fig. 2共c兲 with C2 = 0. This has previously been observed experimentally in nanotubes under high bias operation, both by scanning thermal microscopy31 and by coating the CNTs with a phase-cha ...
The Regulation of Body Temperature
... liquid. Therefore, as more ice forms, the remaining liquid becomes more and more concentrated. Freezing damages cells through two mechanisms. Ice crystals probably injure the cell mechanically. In addition, the increase in solute concentration of the cytoplasm as ice forms denatures the proteins by ...
... liquid. Therefore, as more ice forms, the remaining liquid becomes more and more concentrated. Freezing damages cells through two mechanisms. Ice crystals probably injure the cell mechanically. In addition, the increase in solute concentration of the cytoplasm as ice forms denatures the proteins by ...
An evaluation of the nature and timing of summer human thermal
... PMV has been developed based on the average response of mid-latitude inhabitants and therefore does not take into account the factor of acclimatization when applied in a climate context different to that for which is was developed. Despite this problem the PMV is considered appropriate for the analy ...
... PMV has been developed based on the average response of mid-latitude inhabitants and therefore does not take into account the factor of acclimatization when applied in a climate context different to that for which is was developed. Despite this problem the PMV is considered appropriate for the analy ...
Chapter 2 Kiln Types and Features
... that are rolled into and out of the kiln on tracks. The majority of the softwood lumber in the United States is dried in track-loaded kilns. The other method of loading involves moving stacks or packages of lumber directly into and out of the kiln with a lift truck. These are generally called packag ...
... that are rolled into and out of the kiln on tracks. The majority of the softwood lumber in the United States is dried in track-loaded kilns. The other method of loading involves moving stacks or packages of lumber directly into and out of the kiln with a lift truck. These are generally called packag ...
Applications of a low contact force polyimide shank
... (PR) to measure photo-acid generation and diffusion independently from the developing step [14]. Since they offer sub-surface mapping capability, thermal probes also facilitate studies of intra-cellular features in bio-related research. To fulfill our need for these applications, probes must have a ...
... (PR) to measure photo-acid generation and diffusion independently from the developing step [14]. Since they offer sub-surface mapping capability, thermal probes also facilitate studies of intra-cellular features in bio-related research. To fulfill our need for these applications, probes must have a ...
the temperature prediction in deepwater drilling
... The petroleum industry is exploring extensively and quickly into deep-water oil and gas reservoirs to meet the energy demand. Offshore drilling structures, which are placed in the ocean for the exploration beneath the ocean floor, are at the mercy of the environment they are subject to hostile envir ...
... The petroleum industry is exploring extensively and quickly into deep-water oil and gas reservoirs to meet the energy demand. Offshore drilling structures, which are placed in the ocean for the exploration beneath the ocean floor, are at the mercy of the environment they are subject to hostile envir ...
HEAT AND MASS TRANSFER Module 1: Introduction (2)
... Lattice vibration may be transferred between molecules as nuclei attract/repel each other. ...
... Lattice vibration may be transferred between molecules as nuclei attract/repel each other. ...
AN-4166 — Heat Sink Mounting Guide
... Insulating Material Mica and silicone pads are well known insulating materials that are used between the package and the heat sink. Mica is usually assembled with the thermal grease on both sides. Mica shows high thermal performance at low cost, but it is apt to be messy, contaminate adjacent circui ...
... Insulating Material Mica and silicone pads are well known insulating materials that are used between the package and the heat sink. Mica is usually assembled with the thermal grease on both sides. Mica shows high thermal performance at low cost, but it is apt to be messy, contaminate adjacent circui ...
thermal and moisture control in insulated assemblies - U
... the air space. Table 2 in Chapter 25 lists typical emittance values for reflective surfaces and building materials, and the corresponding effective emittance for air spaces. More exact surface emittance values should be obtained by tests. The radiation component is not affected by the thickness of t ...
... the air space. Table 2 in Chapter 25 lists typical emittance values for reflective surfaces and building materials, and the corresponding effective emittance for air spaces. More exact surface emittance values should be obtained by tests. The radiation component is not affected by the thickness of t ...
Model, software for calculation of AIT and its validation
... different temperature will exist which may drift through the vessel and which will exchange heat by mixing with and by conduction to gas of different temperature. Models of batch reactor vessels in which the full detailed kinetics of hydrocarbon oxidation can be taken into account as in CHEMKIN’s mo ...
... different temperature will exist which may drift through the vessel and which will exchange heat by mixing with and by conduction to gas of different temperature. Models of batch reactor vessels in which the full detailed kinetics of hydrocarbon oxidation can be taken into account as in CHEMKIN’s mo ...
Metal foams as compact high performance heat
... which corresponded to Nusselt numbers up to 134 when calculated based on the heater-foam interface area of 1600 mm2 and a Darcian coolant flow velocity of approximately 1.4 m/s. These experiments performed with water were scaled to estimate the heat exchangersÕ performance when used with a 50% water– ...
... which corresponded to Nusselt numbers up to 134 when calculated based on the heater-foam interface area of 1600 mm2 and a Darcian coolant flow velocity of approximately 1.4 m/s. These experiments performed with water were scaled to estimate the heat exchangersÕ performance when used with a 50% water– ...
Deep-Seated Oceanic Heat Flow, Heat Deficits, and Hydrothermal
... comprise the most diagnostic physical measurements for constraining the nature and vigor of circulation. Heat flow is the product of the thermal gradient and thermal conductivity, both of which are typically measured in-situ by inserting a gravity-driven heat flow probe into sediments. The requireme ...
... comprise the most diagnostic physical measurements for constraining the nature and vigor of circulation. Heat flow is the product of the thermal gradient and thermal conductivity, both of which are typically measured in-situ by inserting a gravity-driven heat flow probe into sediments. The requireme ...
- Opus
... been widely used and considered as a means to convert temperature gradients into electrical energy using the Seebeck effect. A less widely researched area is ‘pyroelectric energy harvesting’ [3] in ...
... been widely used and considered as a means to convert temperature gradients into electrical energy using the Seebeck effect. A less widely researched area is ‘pyroelectric energy harvesting’ [3] in ...
Literature Review Summary of Trombe Walls
... faced with a single or double layer of glass. The glass is placed from ¾ to 2 in. (2 to 5 cm) from the masonry wall to create a small airspace. Heat from sunlight passing through the glass is absorbed by the dark surface, stored in the wall, and conducted slowly inward through the masonry. High tran ...
... faced with a single or double layer of glass. The glass is placed from ¾ to 2 in. (2 to 5 cm) from the masonry wall to create a small airspace. Heat from sunlight passing through the glass is absorbed by the dark surface, stored in the wall, and conducted slowly inward through the masonry. High tran ...