Related Experiment Video
Updated: Aug 20, 2025
04:35
Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
Published on: July 5, 2024
2.0K
Study on multi-objective decision-making operation strategy of heat supply tower
Haifeng Guo1, Zhao Zhang1, Xin Chen1
1Shenyang Jianzhu University, Shenyang, China.
The Science of the Total Environment
|November 17, 2022
Summary
Ground source heat pumps in northern China can cause soil cold accumulation. A heat supply tower used for summer ground recharging effectively addresses this, with optimal operating conditions identified using multiple performance metrics.
Area of Science:
- Geothermal energy systems
- Sustainable building technologies
Background:
- Long-term ground source heat pump (GSHP) operation in northern China leads to soil cold accumulation.
- This issue negatively impacts GSHP efficiency and longevity.
- Summer ground recharging using a heat supply tower is a potential solution.
Purpose of the Study:
- To experimentally investigate the performance of a heat supply tower for ground recharging.
- To analyze multiple performance indicators and determine optimal operating conditions.
- To provide a theoretical basis for heat supply tower performance analysis.
Main Methods:
- Experimental study of a heat supply tower system.
- Analysis of seven performance indexes including temperature difference, heating approach, thermal efficiency, and exergy destruction.
- Application of the TOPSIS decision-making method for optimizing operating conditions.
Main Results:
- Heat supply tower energy efficiency ratios ranged from 12.7 to 22.5.
- Performance evaluation requires considering multiple criteria simultaneously, not just single indexes.
- Optimal operating conditions were determined using the TOPSIS method based on experimental data.
Conclusions:
- The heat supply tower is an effective method for mitigating soil cold accumulation from GSHPs.
- A multi-criteria approach is essential for accurately assessing heat supply tower performance.
- The study provides valuable insights for optimizing GSHP systems through effective ground recharging strategies.
More Related Videos
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
1.7K
11:53Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
13.0K
Related Concept Videos
01:21Multiple Pipe Systems
822
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
822
01:17Heat Capacity: Problem-Solving
573
The heat capacity of a gas is the amount of heat energy required to raise the temperature of a unit mass of gas by one degree Celsius. It is an important thermodynamic property of gases, and its determination is essential in many industrial and scientific applications. Here are the steps to solve problems related to the heat capacities of gases:
Determine the type of gas: The heat capacity of a gas depends on its molecular structure and the degree of freedom of its molecules. Different types of...
Determine the type of gas: The heat capacity of a gas depends on its molecular structure and the degree of freedom of its molecules. Different types of...
573
01:27Thermal expansion and Thermal stress: Problem Solving
1.3K
San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
1.3K
01:09Decision Making: P-value Method
5.6K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.6K
02:44Heating and Cooling Curves
23.2K
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, 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...
23.2K
01:14Decision Making: Traditional Method
4.1K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.1K