The effects of different variables closed conduit transient partially pressurized flows on the maximum air pressure are investigated from an energy exchange perspective. It was found that when length increases, decreases because a larger portion driving will be stored as kinetic in flow and is dissipated by friction force. In contrast, water depth free-surface dissipating decrease. Thus, absorb...

This paper proposes a modification to previous shock tracking–capturing approach used for simulating transient flows in stormwater systems. Based on the Godunov-type finite-volume (FV) method, this modified uses two governing equations free-surface and pressurized discretized. The flow is simulated using an explicit FV method. However, discretized one control volume implicit Different examples ...

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Background: Health inequalitymonitoring especially in Health care financing field is very important. Hence, this study tends to assess the inequality in household's capacity to pay and out-of-pocket health carepaymentsin Tehran metropolis. Methods: This cross-sectional study was performed in 2013.Thestudy population was selected by stratified cluster sampling, and they constitute the typical...

The mosque is one of the most visited public places. Currently, sanitary conditions are still not a concern community. There mosques that do meet sanitation requirements Poor can cause various diseases in society caused by polluted environment. This dedication aimed to present an overview condition Mata Air, increase knowledge, and awareness importance sanitation. method used was data collectio...

The study of draining processes without admitting air has been conducted using only steady friction formulations in the implementation governing equations. However, this hydraulic event involves transitions from laminar to turbulent flow, and vice versa, because changes water velocity. In sense, research improves current mathematical model considering unsteady models. An experimental facility c...

Mathematics is in a dramatic and massive process of changing, mainly due to the advent of computers and computer science. Our aim is to present a pocket image of this phenomenon; a “case study” will give us the opportunity to describe some of these new ideas, problems, and techniques. Particularly, we will be concerned with foreseeable mutations in the interaction between deductive and experime...