关于在强制对流模式下优化烤箱温度均性的研究
Zongliang Yang1, Dongxu Cheng2, Bin Su1
1College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou, 310018, China.
Scientific reports
|August 1, 2023
概括
这项研究通过结合现实世界测试和计算流体动力学模拟来改善烤箱温度的均性. 优化的烤箱结构和空气流量显著提高了内部温度的一致性.
科学领域:
- 热力学是一种热力学.
- 热传递热量转移的方法
- 计算流体动力学 (CFD) 是一种计算流体动力学.
背景情况:
- 实现均的温度分布对于多功能烤箱的性能至关重要.
- 现有的烤箱设计往往遭受不均的内部温度,影响结果.
研究的目的:
- 为了研究和改进多功能烤箱的内部温度统一性.
- 优化烤箱结构参数以提高热性能.
主要方法:
- 使用13点分布式热电偶阵列进行实时温度场映射的实验测量.
- 使用计算流体动力学 (CFD) 来分析热传导,对流和辐射的数值模拟.
- 对CFD模型准确性与实验温度数据的验证.
主要成果:
- 在烤箱内确定热传递模式 (导电,对流,辐射).
- 揭示并分析了原始烤箱结构中温度分布不均的原因.
- 通过结构修改和空气流调整,显著改善了温度均性.
结论:
- CFD是模拟烤箱热性能的一种准确方法.
- 优化尾门结构,空气容量和空气出口分布有效地提高了烤箱温度的均性.
- 该研究提供了一种经过验证的方法,用于设计更高效和更一致的烤箱.
相关概念视频
Temperature and Thermal Equilibrium
6.8K
Heat and temperature are essential concepts for everyone every day. The study of heat and temperature is part of an area of physics known as thermodynamics. It is not always easy to distinguish heat and temperature.
The concept of temperature has evolved from the common concepts of hot and cold. The scientific definition of temperature explains more than just our sense of hot and cold. Temperature is operationally defined as the quantity measured with a thermometer. Furthermore, temperature is...
The concept of temperature has evolved from the common concepts of hot and cold. The scientific definition of temperature explains more than just our sense of hot and cold. Temperature is operationally defined as the quantity measured with a thermometer. Furthermore, temperature is...
6.8K
Mechanism of heat transfer
1.2K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.2K
Mechanisms of Heat Transfer I
4.3K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
4.3K
Mechanisms of Heat Transfer
365
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
365
Mechanisms of Heat Transfer II
3.3K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
3.3K
Conduction, Convection and Radiation: Problem Solving
1.3K
There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting characteristics, but all three have two things in common: they transfer heat solely because of a temperature difference; and the greater the temperature difference, the faster the heat transfer.
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
1.3K


