Gas-forming infections.

Prediction of Gas Hydrate Forming Pressures by Using PR Equation of State and Different Mixing Rules

Investigation of hot metal gas forming process of square parts

Aluminum alloys are considered a lot in the automotive and aerospace industry because of their high strength to weight ratio. In this manuscript, the gas forming process of aluminum AA6063 tubes at high temperatures up to 500°C is investigated, through experimental and numerical tests. Therefore, an experimental setup is prepared and so, tube specimens are formed in a die with square cross sect...

Numerical study on the effect of input variations on bulge height in hot tube metal gas forming process

.Hot metal gas forming of tubes can be used in various industries such as automotive and aerospace industries. In this process tube is formed at elevated temperatures, by using gas instead of fluid pressure. Lower required pressure and low power are its advantages in comparison to hydroforming process. In this paper, a hot metal gas bulging process of an aluminum alloy tube has been investigate...

Clostridial ocular infections. Case report of gas gangrene panophthalmitis.

Introduction THERE has been recent interest in the ophthalmological and general medical literature on the prophylactic treatment of tetanus. However, tetanus is only one disease caused by the spore-forming, Gram-positive, obligate, anaerobic rods known as the Clostridia. In addition to tetanus this group of pathogens also causes gas gangrene and botulism. The most common offenders of this speci...

Numerical study on the effect of hammering pressure on thickness reduction in hot tube metal gas forming process

 Nowadays, light weight and high strength metals are being used in various industries such as automotive and aerospace. Using aluminum-magnesium alloys is an efficient way to reduce the weight of a specific part. These alloys have poor formability in room temperature thus they should be formed at elevated temperature. Warm hydroforming and hot metal gas forming are conventional methods to form ...

Investigation of fluid flow and heat transfer in tube hot metal gas forming process

In this study, hot metal gas forming process of AA6063aluminumtubeis studied with a focus on heat transfer of both fluid and solid phases numerically. An experimental study is simultaneously conducted to validate the numerical method. Some of the most important outputs of the present study, are velocity distribution of fluid inside the tube as well as the fluid in the gap between tube and matri...