Analysis on the plastic limit load of gas pipe elbows with pitting corrosion;

Plastic limit load analysis of elbow with local thinning;

Analysis and experiments on the plastic limit load of elbows under in-plane closing bending moments;

Plastic deformation theory application in pipe bending with small bending radius;

Finite element simulation of pipe bending process of pure titanium using local induction heating;

After brief introduction on middle frequency pipe bending technique,the reasons which cause heat pipe bending wavelet pipe bending inner arc drape are analyzed,so the measures are presented to minimize wavele tpipe bending inner arc drape.

Factors that influence pneumatic conveying bend pipe wear and measures against wear;

Taking the object of transporting carbon black,analyzed the transportation pressure losing of level pipe、vertical pipe and bend pipe of the pneumatic transportation pipe line,gained the pres-sure losing formula of the three sorts of pipe line.

Meridian membrane stress of bend reducer;

Experiment Study of Pressure Drop in The PipeBend for the Pneumatic Transport of Pulverized Coal;

Probing into deviation of dimension limit of bend used in Shanjing gas pipeline;

Design Analysis and Research of Curved Pipe;

The effects of the processing parameters on the water penetration length and residual wall thickness along water channel of polypropylene curved pipes molded by short shot water-assisted injection molding were investigated through single factor experiments.

An optimized design of the core_pulling mechanism of the injection mould for the 90° curved pipes and its working process were introduced.