Misting System Floor Temperature Control
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Solution Overview
Problem
Misting systems in indoor spaces, such as event halls, often result in floors becoming wet due to unevaporated mist, leading to dirt accumulation and slippery surfaces.
Innovation Solution
A misting system comprising a misting device and a control device that calculates and maintains the floor temperature above a specific threshold (Tn) based on the amount of mist and water vapor in the space, ensuring the mist evaporates into vapor rather than condensing on the floor, using Equation M+N=217×6.1078×107.5×Tn/(Tn+237.3×Tn+273.15).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If mist is sprayed in the space, then the visual effect and atmosphere are improved, but the floor becomes wet due to unevaporated mist
Solution Approach 1:
The system changes the temperature parameter of the floor by activating heating elements to raise the floor temperature above the dew point. This parameter change prevents mist condensation on the floor while maintaining the desired visual effects of the mist in the space.
Solution Approach 2:
The system applies preliminary heating to the floor before or during mist spraying to prevent condensation. By raising the floor temperature in advance above the dew point calculation (M+N=217×6.1078×10^7.5×Tn/(Tn+237.3×Tn+273.15)), the system creates conditions that prevent the harmful effect of floor wetness before it occurs.
2Object-affected harmful factors
If floor temperature is increased to prevent wetness, then floor wetness is prevented, but energy consumption increases
Solution Approach 1:
The system uses sensors to detect mist concentration, temperature, and humidity, then feeds this information back to the controller which calculates the dew point and adjusts heating accordingly. This feedback mechanism ensures energy is used only when and where needed to maintain floor temperature above the calculated threshold Tn.
Solution Approach 2:
Instead of heating the entire space, the system applies heating only to the floor surface area where mist contact is expected. This partial action approach reduces overall energy consumption while still preventing floor wetness in the critical zones.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Prevents floors from becoming wet by ensuring mist evaporates into vapor, maintaining a comfortable environment and preventing dirt accumulation.
Implementation Method 1
controls the temperature of the floor to cause the temperature of the floor to be greater than or equal to a temperature Tn that satisfies Equation 1... ensuring the mist evaporates into vapor rather than condensing on the floor
Data Source
AI summary
A misting system includes: a misting device that sprays mist in a space; and a control device that controls a temperature of a floor of the space. The control device controls the temperature of the floor to cause the temperature of the floor to be greater than or equal to a temperature Tn that satisfies Equation 1 below, where an amount of the mist sprayed in the space by the misting device is denoted by M, an amount of water vapor in the space is denoted by N, and a temperature calculated based on a temperature of the space is denoted by Tn.[Math. 1]M+N=217×6.1078×107.5×TnTn+237.3Tn+273.15(Equation 1)