作为温度和相对湿度的函数,李奇的综合干燥模型
Shafaet Ahmed1, Md Salatul Islam Mozumder2, Wahidu Zzaman1
1Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh.
Heliyon
|April 9, 2024
概括
一个新的集成模型使用温度和相对湿度准确地预测了干动力学. 这个模型优化了热空气干燥过程,增强了食品保存策略.
科学领域:
- 食品科学与技术 食品科学与技术
- 化学工程是化学工程的重要组成部分.
- 热力学是一种热力学.
背景情况:
- 干燥是一种重要的食品保存技术.
- 现有的干燥动力学模型往往忽略了关键的环境因素.
- 精确的建模对于优化食品加工至关重要.
研究的目的:
- 开发一个集成的干模型,包括温度和相对湿度.
- 根据实验数据评估已建立的干燥模型的性能.
- 为了优化热空气干燥过程的李子.
主要方法:
- 使用热空气干燥机干燥李奇.
- 牛顿式,亨德森式和帕比斯式,佩奇式和对数式干燥模型的比较.
- 使用实验数据开发和验证一个集成的干燥模型 (纳什-萨克利夫效率,R2,协议指数).
主要成果:
- 综合模型准确地预测了柳干燥动力学和质量转移.
- 模型验证指标 (R2,d,NSE) 表示完美匹配.
- 干燥速率常数取决于温度和相对湿度,温度的影响更大.
结论:
- 开发的综合模型为预测干动力学提供了优越的方法.
- 温度和相对湿度是优化干燥过程的关键参数.
- 这项研究为莱奇干燥建模和质量优化的进一步进展提供了基础.
相关概念视频
Aqueous Solutions and Heats of Hydration
14.7K
Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water.
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
14.7K
Temperature Dependence on Reaction Rate
81.6K
The Collision Theory
Atoms, molecules, or ions must collide before they can react with each other. Atoms must be close together to form chemical bonds. This premise is the basis for a theory that explains many observations regarding chemical kinetics, including factors affecting reaction rates.
The collision theory is based on the postulates that (i) the reaction rate is proportional to the rate of reactant collisions, (ii) the reacting species collide in an orientation allowing contact between...
Atoms, molecules, or ions must collide before they can react with each other. Atoms must be close together to form chemical bonds. This premise is the basis for a theory that explains many observations regarding chemical kinetics, including factors affecting reaction rates.
The collision theory is based on the postulates that (i) the reaction rate is proportional to the rate of reactant collisions, (ii) the reacting species collide in an orientation allowing contact between...
81.6K
Seasoning of Wood
96
Seasoning of wood is a crucial process aimed at reducing and stabilizing the moisture content within the wood to prevent future shrinkage, structural damage, or aesthetic issues once the wood is used in construction. Wood naturally swells when it absorbs moisture and contracts as it dries.
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
96
Effect of Temperature Change on Reaction Rate
4.1K
The Arrhenius equation,
4.1K
Heating and Cooling Curves
22.8K
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, q, and its...
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, q, and its...
22.8K
Clausius-Clapeyron Equation
56.7K
The equilibrium between a liquid and its vapor depends on the temperature of the system; a rise in temperature causes a corresponding rise in the vapor pressure of its liquid. The Clausius-Clapeyron equation gives the quantitative relation between a substance’s vapor pressure (P) and its temperature (T); it predicts the rate at which vapor pressure increases per unit increase in temperature.
56.7K


