Corrugation


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Corrugation

 

the formation of corrugations (bends or waves) on sheets of ferrous and nonferrous metals, asbestos cement, cardboard, or fabric in order to increase the materials’ stiffness under conditions of bending or compression strains. Rounded corrugations are most often used; trapezoidal, triangular, and more complicated forms are less frequent. Corrugation is performed on presses (by molding) or between shaped rolls (by rolling). Corrugated materials are widely used in construction, the aircraft industry, and other branches of engineering.

References in periodicals archive ?
Considering the flexural stiffness of micro corrugation like constant to solve the problem it is necessary to find an expression for the bending moment M in any section of micro corrugation.
However, the corrugation shape used in Zhang's study is triangular, although it was reported that only the pressure drop will be affected by the corrugation shape and not the heat transfer rate (Kanaris et al.
The part of the ingot starting from the end of the bottom part (150--300 mm) did not contain defects and this was followed by constrictions with corrugation along the length of 250-600 mm.
They include CNC ultraprecision form grinders, CNC column-type surface grinders, optical profile form grinders, and gear grinders as well as dedicated grinding machines, such as slit and corrugation type.
The leading edge of the pipe showed slight roughening of the corrugation from the abrasive flow of crushed sandstone.
Another advantage of Yuan Jaan's steamer is that it solves the corrugation or contraction problems for high gluten dough whereas many other manufacturers' steamers have failed.
50 lf 54 x 50~ x 12 gauge corrugated aluminum pipe corrugation 3 x 1 ; 300 lf 18 x 20~ x .
Among the used techniques in the design of the exchangers, the use of the corrugation provides increased turbulence and, thus, heat transfer.
KARACHI -- The Director General of National Accountability Bureau (NABSindh) Naeem Siraj has said that we all have to work together for the eradication of the menace of corrugation from the society.
The melted copper acts as a brazing agent to seal the edges of the BPHE plates and also bonds the meeting points of the corrugation ridges to provide pressure retention strength.
In the present research the roughness characteristics of corrugated galvanized spiral ducts having a somewhat different corrugation profile from that examined by Kulkarni et al.