نتایج جستجو برای: air pump
تعداد نتایج: 265943 فیلتر نتایج به سال:
This paper presents recent developments and state of the art for transcritical CO2 cycle technology in various refrigeration, air-conditioning and heat pump applications. The focus will be on fundamental process and system design issues, including discussions of properties and characteristics of CO2, cycle fundamentals, methods of high-side pressure control, thermodynamic losses, cycle modifica...
In this paper, the lift-law method was applied to design the axial flow pump. Based on Reynolds time-averaged N-S equations and standard k turbulent model, three-dimensional air-water bubbly flow in an axial flow pump impeller was simulated. Under the condition of bubble void fraction of 5%, pressure and void fraction distributions were respectively obtained, movement of bubbles in the impeller...
Cooling Water Pump berfungsi sebagai penyuplai air untuk sistem pendinginan di PLTA Asahan 1 yang mendinginkan minyak dan udara. Sistem pendingin udara terdapat pada Generator Air Cooler, system Thrust Bearing Oil Turbine Guide Upper Lower Cooler. bersumber dari draft tube (pipa pembuangan) dipompakan oleh Pump. digunakan setelah akan disalurkan kembali melalui pemipaan menuju
Background and purpose: Biological pollution in indoor air is mostly created through bacteria and fungi which are harmful to human health. In the present study we evaluated the fungal diversity of air and air-conditioning systems in different schools of Mazandaran University of Medical Sciences. Materials and methods: The samples were collected from some rooms in different schools of Mazanda...
We report the first observation of the strong effect of quantum rotational wave packets in atmospheric air on the long-range filamentary propagation of intense femtosecond laser pulses. In a pump-probe experiment, we find that the probe filament can be sucked into the pump filament's molecular quantum wake and trapped or be destroyed by it.
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