The Asia-Pacific region generates over half of global economic activity (54.2%) and about 43.7% of global trade, and is the most dynamic region in the global economy. At the core of this is an increasingly dynamic, vibrant and entrepreneurial small-medium sized enterprise sector. Advances in information and communications technology, market liberalisation and moves towards closer regional econo...

In a compressor, the periodic wake is an inherently unsteady phenomenon that affects downstream flow conditions and loading distribution. Thus, understanding physical mechanisms of these effects important for eliminating losses improving compressor performance, particularly at low Reynolds numbers. To understand influence upstream on field structure, this paper describes numerical simulations o...

Early in the twentieth century, von Economo provided the first evidence linking the hypothalamus with sleep-wake behavior. His studies concluded that the anterior hypothalamus was associated with sleep, whereas the posterior hypothalamus was associated with waking. In the decades following these observations, a wealth of research has shown that an elaborate circuitry comprising a number of brai...

A square splittered and unsplittered rod is placed in a turbulent boundary layer developed over a flat plate. The effect of the resulting disturbances on the local heat transfer coefficient is then studied. In both cases the square rod modifies the flow structure inside the boundary layer. As a result, a stagnation point, a jet and wake area are generated around the square rod, each making a co...

In this paper we investigate the optimal control approach for the active control of the circular cylinder wake flow considered in the laminar regime (Re = 200). The objective is the minimization of the mean total drag where the control function is the time harmonic angular velocity of the rotating cylinder. When the Navier-Stokes equations are used as state equations, the discretization of the ...

The near-wake structure resulting from the interaction between water and cylinder is researched. wake characteristics for smooth with different numbers of grooves are measured by high-speed particle image velocimetry (PIV) at a Reynolds number 7400. From data, it observed that v-groove increases shear stress turbulent kinetic energy; thus, formation Karman-like vortices prevented recirculation ...

the asia-pacific region generates over half of global economic activity (54.2%) and about 43.7% of global trade, and is the most dynamic region in the global economy. at the core of this is an increasingly dynamic, vibrant and entrepreneurial small-medium sized enterprise sector. advances in information and communications technology, market liberalisation and moves towards closer regional econo...