关于最佳空气流调节解决方案的决定,该解决方案基于时间序列中的矿山空气流的热和空气流合特性
Tong Jia1,2, Heng Ma1,2, Ke Gao1,2
1College of Safety Science and Engineering, Liaoning Technical University, Huludao, Liaoning, PR China.
PloS one
|May 7, 2025
概括
这项研究引入了矿山通风的新模型,考虑了动态热量和空气流变化. 它允许精确的,实时的空气流控制,以优化地下条件并减少能源消耗.
科学领域:
- 矿山通风工程 矿山通风工程
- 计算流体动力学 计算流体动力学
- 热流体科学 热流体科学
背景情况:
- 传统的矿山空气流模型假定通风压力和阻力是恒定的,在动态环境中失败.
- 实时采矿条件需要模型来解释空气流与热流的空气动力学合.
研究的目的:
- 根据热量和空气流的合,为矿山开发动态空气流调节模型.
- 为了实现精确的,实时的空气流控制和优化通风系统.
主要方法:
- 开发了一种使用密度-压力-温度方程的短暂热量和空气流量流动特征模型.
- 建立了一个波动的自然通风压力和阻力模型,结合时间序列数据.
- 建立了一个基于热气流合的非线性校正空气流调节模型.
主要成果:
- 拟议的模型为实时空气流调节提供了一套最佳解决方案.
- 使用古煤矿数据验证了模型,证明了可靠的性能.
- 实现了最佳的空气流控制方案,满足地下要求,同时最大限度地减少电力消耗.
结论:
- 这项研究为智能矿山通风控制提供了一种新的理论和方法方法.
- 通过考虑动态热量和空气流相互作用,可以实现准确的实时空气流调节.
- 该模型支持在地下矿山中高效准确的通风管理.
相关概念视频
Heating and Cooling Curves
22.2K
When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves.
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance,...
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance,...
22.2K
Fast Decoupled and DC Powerflow
134
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
134
Laminar Flow: Problem Solving
67
Laminar flow occurs when a fluid moves smoothly in parallel layers with minimal mixing and turbulence. In fluid mechanics, ensuring laminar flow within a pipe is essential for precise control of flow characteristics, especially in engineering applications. The key factor in determining whether flow remains laminar is the Reynolds number, a dimensionless quantity that depends on the fluid's velocity, density, viscosity, and the pipe's diameter. A Reynolds number of 2100 or lower...
67
Pipe Flowrate Measurement: Problem Solving
78
A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is...
78
Single Pipe Systems
61
In pipe flow analysis, problems are typically categorized into three types — Type I, Type II, and Type III — based on the known parameters and the desired outcome. Each type of problem addresses specific engineering requirements using fluid properties, pipe characteristics, and operational conditions.
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
61
The Power Flow Problem and Solution
140
Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk, phase angle δk, real power Pk, and reactive power Qk. Two of these four variables are inputs, while the...
140


