In the latter sliding table saws (panel saws) are commonly used for cutting of medium density fiberboards (MDF), high density fiberboards (HDF), laminate veneer lumber (LVL), plywood.

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European Journal of Investigation in Health, Psychology and Education (EJIHPE).

International Journal of Environmental Research and Public Health (IJERPH).

Journal of Open Innovation: Technology, Market, and Complexity (JOItmC).

Journal of Otorhinolaryngology, Hearing and Balance Medicine (OHBM).

Journal of Theoretical and Applied Electronic Commerce Research (JTAER).

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Photonic devices based on optical fibers are becoming more important.

One of the factors in making more effective devices is by having greater control over the fabrication of specialty optical fibers.

In this paper, we discuss the fabrication of alumina-doped preforms using a modified chemical vapor deposition (MCVD) vapor phase chelate delivery system with Al(acac)3 as the precursor.

View this paper.

Wind disturbance posed difficulties for the stability of the micro air vehicles (MAVs) with attitude variation.

In this paper, the aerodynamic performance of a MAV with six coaxial rotor pairs considering the horizontal wind is investigated by both experiments and numerical simulations.

First.

First, the effect of the horizontal wind on the multi-rotor aircraft is analyzed in detail.

Then, low-speed wind tunnel tests were performed to obtain the thrust and power consumption and the aerodynamic performance of the multi-rotor aircraft ( l D 1.2 and h D 0.19) with the rotational speed of 15002300 rmin in the horizontal wind ranged from 0 to 5 ms.

Finally, the distribution of streamline, the pressure of the blade tip, and the velocity and the vortices in the flow field of a multi-rotor aircraft with horizontal wind disturbance, were simulated and studied using the computational fluid dynamics (CFD) method.

Through the comparison of experimental results and simulation results, it can be seen that the horizontal wind disturbance will increase power consumption to weaken the aerodynamic performance at higher rotor speeds.

However, larger thrust and better hover performance are obtained at lower rotational speeds with good wind resistance.

Additionally, due to the mutual induction between rotor wakes, the interactions of downwash flows become more intense at higher rotational speeds or larger wind speeds where the vortexes at the blade tip deformed and moved along with the wind.

Cutting wood with circular saws is a popular machining operation in the woodworking and furniture industries.

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