Drilling fluid

Task 2 – P2 A Newtonian fluid is a fluid that exhibits constant viscosity regardless of any external stress applied to it, like mixing or a sudden application of force. Like water; this flows in the same direction regardless of whether it’s left alone or agitated. A Newtonian fluid, by definition, can only be affected by pressure and temperature together, or temperature, but not pressure on its own. Water The viscosity of water can be affected by temperature, and by pressure and temperature, but

result in a lower velocity. Velocity is the speed and direction of a given object or substance, and viscosity is the thickness of a fluid. Fluids that have lower viscosities are thinner, and therefore able to move with greater speed. On the other hand, fluids that have a high viscosity, such as pahoehoe lava, are thicker and move slowly. Because the viscosity of a fluid can impact its speed, temperature ultimately also affects the lava’s velocity. While experimenting, the hot maple syrup was able to

CHAPTER 1 INTRODUCTION 1.1 PROJECT BACKGROUNG Technologies involved in machining operations have advanced greatly in the recent decades and machines have experienced significant changes such as the incorporation of numerical control. Every year it is possible to observe in fairs, conferences and of course in the market economy, how production capabilities have increased thanks to the development of new concepts, devices, materials, tools, coatings, structures, etc. Accuracy, flexibility and

microchannel instead of hand based MEMS (microelectromechanical) [3]. Third, the components are highly integrated in a small chip including pumps, valves, channels, reactors, etc. [3]. The fourth point is the precision drive technology mainly using fluid power,

Nonlinear Heat and mass transfer in MHD Homann nanofluid flow through a porous medium with chemical reaction, heat generation and uniform inflow N.T. EL-Dabe1, H.A. Attia2, M.A.I. Essawy3,* , A.A. Ramadan4, A. H. Abdel-Hamid4 1Department of Mathematics, Faculty of Education, Ain Shams University, Roxy, Heliopolis, Cairo, Egypt 2Department of Engineering Mathematics and Physics, Faculty of Engineering, Fayoum University, 63415, Egypt 3Higher Technological Institute (HTI), 3rd zone, 7th section

this paper, we introduce two new functions on the semi-infinite interval namely Rational Gegenbauer and Exponential Gegenbauer functions and we apply them as basis functions in Tau method to solve the boundary layer flow of a magneto-micropolar fluid on a continuous moving plate with suction and injection. These functions are a general case of rational Chebyshev and Legendre functions and this is the first time that they are used in Tau method. The operational matrices of derivative and product

1. Conductive arteries – Conductive arteries are the most proximal compartment of the coronary arterial system. Their diameter is generally ranging from 500 μm up to 2-5 mm. These are large epicardial coronary arteries that work as a capacitance function for the blood flow. They have very low resistance to blood flow and therefore, the pressure drop along the length of conductive arteries is negligible. The conductive arteries have an inbuilt characteristic of maintaining the shear stress by changing

the CSF characteristics of the HVS in order to embed the watermarking data on selected wavelet coefficients of the input image. The selected coefficients dwell on the detail sub bands and the information about the edges of the image were contained in them. Hence, the embedded information becomes invisible by exploiting the HVS which was less sensitive to alterations on high frequencies. The success of their method in terms of robustness and transparency was illustrated by results

By allowing fluid to flow into closed cavity from a source with low pressure, trapping the fluid and then force it into a receiver which is high-pressure by decreasing the volume of cavity is the positive displacement pumps work. P.D. pumps have their own advantages and disadvantages but there are a few pros and cons of these pumps that are similar to each other. Advantages of P.D. pumps A highly viscous fluid can be easily handled by a couple rotary technologies and air operated piston pumps. In

the ocean floor. Despite these risks, the growth of the global oil businesses continue to grow and our need, and ultimately our dependency on it, grow right along with it. Arguably, the greatest impact of off-shore drilling on the environment is indisputable. There are 3,500 drilling rigs and platforms, 79 of them deep-water wells, in the United States alone (CBSNews). Many of these off-shore rigs are located in the Gulf of Mexico and directly impact these ecosystems with negative impacts ranging