If the exhaust flow rate is lower than the supply flow rate, there may be fewer problems with exhaust efficiency, but this could result in a supply airflow field different from the designed one and thus result in different kinds of disturbances. Certain operations require that the workspace be...
flow rate. One limitation of the orifice plate is that its inaccuracy is typically at least ±2% and may approach ±5%. Also, the permanent pressure loss caused in the measured fluid flow is between 50% and 90% of the magnitude of the pressure difference (P1–P2). Other problems with ...
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where [Math Processing Error]ηc is a learning rate at step [Math Processing Error]stepc, [Math Processing Error]ηmin is the minimum learning rate, which is set as [Math Processing Error]1×10−16, [Math Processing Error]ηmax is the maximum or initial learning rate, which is selected...
The disposal and utilization of solid waste of coal gangue is one of the main problems in coal mining in China. Injecting coal gangue into goaf in the form of slurry can effectively solve the problems of ground stacking and environmental pollution preven
ClassArrivalSimulationgenerates a series ofShips according to an inter-arrival time distribution [10,14,15]. For example, negative exponential distributions (NEDs) can be used to describe the arrival process [2], and its density function isf(t)=λe−λtft=λe−λt(λ= arrival rate;t= ...
Improving the Rate of Peak Expiratory Flow Measurements (PEFR) in a General PracticeExtracted from text ... Scientific letter SA Fam Pract 2004;46(6) 4 To the editor: The importance of measuring PEFR in the management of patients with asthma is widely recognized in consensus statements and ...
摘要: A convolution integral is developed to evaluate transient, drilling speed-dependent discharge rates into a tunnel gradually excavated in a homogeneous infinite aquifer. Comparison with the classical instantaneous-drilling evaluation commonly used in practice reveals drastically reduced early-time discharg...
Assess the effects of loading rate and interface roughness on T-bar penetration resistance. Soils Found. 2020, 60, 266–273. [Google Scholar] [CrossRef] Randolph, M.; Hope, S. Effect of cone velocity on cone resistance and excess pore pressures. In Proceedings of the Engineering Practice ...
The system necessitates a hydraulic head to achieve a required natural circulation flow rate, which in turn, may cause a larger two-phase pressure drop and flow oscillation. Also, it is of interest to investigate the complex effects of the boiling and condensation in such low frequency thermal...