Manufacturing 3D Spacer Fabric for Insulating Oil Pipelines

This paper provides a major challenge, Because of many bad conditions that effect oil pipelines properties, this paper discuss the ability of manufacturing and applying the 3D woven spacer composite fabric for insulating oil pipelines. This paper talks over the thermal, chemical, and mechanical properties of the final product from the 3D Spacer Fabric and the polymer resin matrix. And finally, this paper gives an idea how and with any kind of weaving machines these fabrics can be made.

Measurements automationof technical process parameters

This paper discusses improveming of the methods of computerized measurements by using some practical examples in the field of automation of flow, and pressure and level measurements and data logging. Tnis work has been done on an experimental station, which has been developed specifically for this paipose. It is a multi purpose station for training on automation of measuring techniques in industrial processes

The effect of pressure change on the internal corrosion rate of oil pipelines

Corrosion is the most important problem in the process of oil production, Its results are: sudden fracture, high economic cost and great loss in oil equipment. Appropriate solutions have been suggested to extend the life of facilities, and to avoid corrosion phenomenon which may get the facility out of service, But, finding the main reasons causing this phenomenon, and studying the factors that contribute to increase or reduce the spread of corrosion requires more urgent attention. In this paper, the data of the pressure has been analyzed in three crude oil pipelines and focus was on the values during the days where changes were irregular. In the same period, the study of internal corrosion rate was being done, using weight loss method. It has been noticed that when the value of pressure is greater than 2 Mpa, the internal corrosion rate will be above the maximum. allowable limit which is 4 mil per year (MPY), while the internal corrosion rate will be within the acceptable range when the pressure is not greater than 1 Mpa.

Simulation in technical processes

We discussed in this research improvement of the methods of computerized simulation with practical examples in the field of automation of technical processes. The work has been done on an experimental station, which has been developed specially for this reason. It is a multi- purpose station for training on automation of industrial processes using a data acquisition system and program for procuring data and preparing the suitable diagrams .

The study of the influence of Interaction Potential forms on Pressure and Internal Energy of Argon Crystal at High Temperatures

This work is assigned to study the influence of different interaction potential forms on the pressure and internal energy of crystalline argon along its isothermal curves at high temperatures, expanded from melting point temperature up to room temperature at different molar volume values expanded up to its value, corresponded experimental equilibrium curves with gaseous and liquid phases within the framework of quasi-classical approximation. The pair-wise inter-atomic forces in conjunction with three-body forces were taken into consideration. The results of this study regarding the pressure and internal energy of crystalline Argon were compared with available experimental data. The comparison clearly indicates that the calculated results coincide well with the experimental results.

The reduction of high resistance Concrete using local aggregate and silica fume for compression during high temperature effect

This paper is devoted to investigate the effect of high temperatures on the behavior and compression resistance of rectangular high-resistance concrete samples. In this study, rectangular samples with dimensions of (15X15X15 cm) have been made and after 28 days they have been burned in a special oven, then cooled down in the air. The exposition of high-resistance concrete samples which made of local sand and aggregate and use silica fumeoiiuk to high temperatures has led to a reduction and lose in the compressive resistance of this samples. When the temperature was 350 c, the reduction in the compressive resistance was about 13%, and at the temperature of 450c, the reduction was about 36%, and at the temperature of 850c, the reduction was about 72%. Therefore, we have to take this reduction of compressive resistance in the concrete elements seriously when they exposed to fire, so we can take the right decisions about rehabilitation or conservation or replacement of this elements.