Übersetzung für "Ruhende luft" in Englisch

It is convenient to use static air as insulating material.

The still air alone would be an optimum insulator without convection and radiation.

The stationary air in the tube has a high diffusion resistance for water molecules.

Even quiescent air or conventional thermal insulation material represent a thermal bridge in comparison with a vacuum insulation panel.

Thereby, there are likewise graphically presented for comparison the thermal conductivity for mineral wool 164 kg/m3, glass fibers, mineral wool 126 kg/m3, calcium silicate, ceramic fibers 96 kg/m3, ceramic fibers 126 kg/m3, aluminum oxide fibers and stagnant air. TABLE 1

In this context it is advantageous when a plate is additionally pushed into two peripheral slots of the hooks of a segment and is bent virtually at right angles at the ends of each segment so that a hollow space for the static air results.

When static air is used as insulating material, a closed hollow space is created for the static air by means of additional plates 18 which are each pushed into two peripheral slots of the segments 12 (specifically in the area of the hooks 16) and are bent virtually at right angles at the end of each segment, which hollow space encapsulates each segment 12 and prevents air circulation (see FIG.

The laden carrier gas stream with the swirl must first drive the stagnant air in the hollow space through and from the hollow space.

The advantages attained by the invention are basically seen in the fact that the laden carrier gas stream with the swirl on penetrating into the hollow space does not strike the stagnant air but the additional unladen gas stream, which already flows through the hollow space in the same direction and with a swirl of the same direction of rotation as the laden carrier gas stream.

As already explained, the water will not long remain locked, leaving room for stationary air.

In terms of thermal conductivity, the advantage is presently given that air, in particular still air, is a medium having very low thermal conductivity.

Therefore, knowing total thermal resistance RTH 9.2 (stationary air), ambient temperature T U in the immediate environment of the system of FIG. 5 can be determined from the measurement of the temperature difference between the two temperature sensors 6 . 1, 6 . 2 in signal-processing component 2, as will be explained below by way of example.

In air gap insulation without convection, a self-contained insulating system is given in which substantially still air is used as insulating material.

The acoustic waves travel in the air away and because the wagon goes by stationary air, the sound signals are not received simultaneously.

The aether by itself keeps its place, only the motion-structure wanders ahead (like sound is moving through the resting air).

The finished tube is then cooled down to room temperature in stagnant air.

Insulation consisting of static air is located behind the segments 12.

In air at rest, this gradient as a result of the evaporation forms gradually.

The implants were then removed from the oven chamber and cooled in still air.

The treated stent bodies were then removed from the oven chamber and cooled in still air.

The implants were then removed from the oven chamber is and cooled in still air.

The heat-conductivity is lower than the conductivity of still air, and furthermore is only very slightly dependent on temperature.

Near the conical expanding part, the tube is exposed substantially to the stationary air.

In this case, the product is heated toaustenitic state and then cooled in still air.

Subsequently, the pressing tool was opened and the steel component was cooled down in static air to room temperature.

Since the manufacturer of the alloy material of the specimens specifies cooling is still air at room temperature after solution annealing, the specimens were cooled under these conditions, with subsequent aging for 24 h. at 850° C.

It has been found to be particularly advantageous if, for this purpose, a special insulating material with a lower heat conductivity, which is commercially available under the trademark "Minileit", is used than that of the stagnant air.

If the rolled strip is required to have a final strength in the range of 220 to 275 N/mm2, the above-mentioned process can be modified in that the intermediate strip is annealed at 450° to 580° C. and is then cooled in still air and is thereafter cold-rolled to the final thickness with a final reduction ?=f(Rm) in accordance with the graph of FIG. 2.

This is followed by cooling in calm air down to 790° C. whereupon the slab thickness is reduced in another hot-rolling stage to 30 mm, corresponding to a deformation of 62.5%.

This is followed by cooling in calm air down to 790° C. whereupon the slab thickness is reduced in another hot-rolling stage to 30 mm, corresponding to a deformation of 62.5%.

It has been found to be particularly advantageous if, for this purpose, a special insulating material with a lower heat conductivity, which is commercially available under the trademark "Minileit", is used than that of the stagnant air.

Apart from the fact that that components solution treated at a temperature below 400° C. and cooled in still air exhibit little distortion, the formation of gas-related blisters can be avoided by this heat treatment as a result of the relatively low temperature.

However, the heating occurs to temperatures of approximately 700° C. and, starting out from a temperature of this magnitude, embrittlement is no longer to be feared, even when cooling takes places in still air, without it being necessary to introduce any delaying action.

The second weld can be allowed to cool down in still air, which corresponds to a preferred form of embodiment, without it leading to new, undesired, hardening phenomena in the region of the first welded connection.

In a particularly advantageous manner, the heat treatment method is carried out in such a way that the heat treatment extends over a period of time from 2 to 5 hours, after which the cooling is allowed to take place in still air.