There exist some defects of traditional electric field analysis method, namely, in the insulation with 110kV and above. It is not necessary to introduce the various electric field concentration coefficients in the electric field intensity calculation, considering the fact that the pure oil crack of equivalent between the spools is far smaller than the radius of spool.
To establish math model respectively for winding wire rope and steel wire on spool according to production situa-tion,and by analysis of the math model and making use of Excel table to fast get the length of entanglement or other param-eters and load of spool.
Based on the accurate deduced formula of outer diameter,width and wire rope layer number of spool,the soft pack parameters are designed and calculated taking enactment pack layer numbers as variable in Excel in terms of pack beautiful degree whose radio between width and diameter according to golden mean law.
The method and the function of calculation software exploitation which is about degree of uniformity for spool sprinkler irrigation machine are introduced in this paper. They provide effective method for quickly and accurately predicting spray capability of spool sprinkler irrigation machine, and guide designer as well as user to justifiably select operation parameter of sprinkler irrigation machine for realizing the best spray capability.
Previously we found that filaments from spool A were 7% lower in mean strength but much less variable in diameter than filaments from spool B; however, the respective variabilities in failure stress were equivalent.
Since it has a higher affinity for carbon adsorbents than water, acetone will displace water from ACF so that the water vapors in the spool with the acetate fibre will create an opposing sorption front.
The use of materials made of activated carbon fibre (ACF) is the most efficient since it is not difficult to give it the configuration required for encapsulation of each spool or several spools, for example, in a polymer container .
It is found that the thrust performance of this engine for flight Mach numbers M ∈ [0; 3.6] and compression ratios p2/p1 ∈ [1; 80] are always higher than those of the ramjet and one‐spool turbojet.
The main problem in using a cable is that it has to be carefully paid out and stacked on the winding spool when the vehicle is moving from/towards the operator.