Sunday, February 16, 2020

Mechanical Behaviour of Polypropylene Essay Example | Topics and Well Written Essays - 500 words

Mechanical Behaviour of Polypropylene - Essay Example These differences mean that the materials react differently with agents from the environment. Therefore, manufacturer must be in a position to appreciating these differences to avoid the production of plastic materials and products with premature failures commonly referred to as nasty and cheap. The plastic containers adopt the pseudo-elastic design methodology, which involves substitution of appropriate Poisson’s ratio and values of Modulus (that depend on temperature and appropriate time). The substitution involves using elastic standardised strain solutions, which depends on the geometry of the part and the load configuration. The method is appropriate for experimenting and investigating the design failures for polypropylene tanks. Some of the successful approach involve analysing the stress to the 4th order of the linear differentiation (Lewis and Weidmann, 1999a; Lewis and Weidmann, 1999b). The equation takes into consideration the transition between the vertical and the horizontal dimensions as well as the thickness. The manifestations of these transitions are accounted when the wall of the tank increases through radial expansion. The phenomenon can be described as stress concentration. The method involve assessing the strength parameters based on general values like stability (buckling, kinking), deformation (excessive bends), and strain or stress. Most failed tanks will fail at the welded construction at the joint level. Therefore, the best approach is to adopt a limiting stress criteria, which will aim to provide conservative alternatives to the problem (Lewis and Weidmann, 1999a; Lewis and Weidmann, 1999b). The design of the tank is very important. The hydrostatic pressure increases linearly and proportionally with the tank’s height. This means that the most appropriate strategy of resisting the pressure is by increasing the tank thickness. The same principle is applicable when constructing the walls

Monday, February 3, 2020

Literature Review Assignment Example | Topics and Well Written Essays - 2750 words

Literature Review - Assignment Example Additionally, the human resource department of any organisation plays a critical role and function in ensuring that the output and productivity of that firm or organisation is on course. HCT as an organisation or a school also has an obligation and duty to ensure that it hires the best talent and skills in the industry to help in achieving the intended outcome. This research also looks into the issues and aspects of how best the HCT as an organisation or school could use the human resource management to continue to give excellence and service delivery not only to the students but the society as a whole. At the end, the students and the whole society of UAE would benefit by receiving the solutions that the HCT as an organisation would give. In principle, it is important and critical to note and mention that the study also aims at devising the ways and modes or approaches of developing a proper working relationship between the students, professors and the whole staff of HCT in the United Arabs Emirates (Sester, Giehl, McNerney, Kampmann, Walzl, Cuchà ­ & Meyerhans, 2010). Tentatively, it goes without saying or mentioning that the end goal and objective of HCT as an organisation would be to attract more students by producing excellence and good performance. This is to mention that continued academic achievements and excellence would be balan ced and coupled with continued growth in the student population by the students in the United Arab Emirates. From the outset, the tone and inclination of this source articulates the changing global patterns and trends by the world as a whole. This is to say that the article appreciates that the world or the global actors in the realm and aspects of business have embraced and continue to pursue new approaches in the area of human resource management. In the past, the societies pursued traditional measures where the human resource management. It also focuses mainly in the