研究目的
To investigate the performance of a modified solar chimney power plant (MSCPP) for both power generation and vegetation, and to estimate the net added benefit compared to conventional solar chimney power plants.
研究成果
The MSCPP provides net added benefit due to agricultural products outweighing electricity loss, with benefits increasing with larger vegetation areas but decreasing with higher chimney heights. Condensation occurs under specific conditions, but fresh water benefits are minimal.
研究不足
The model is simplified and does not account for variations in effective heat flux between vegetated and non-vegetated areas. It assumes constant parameters and may not capture all real-world complexities, such as dynamic weather changes or construction costs.
1：Experimental Design and Method Selection:
A mathematical model was developed to simulate the MSCPP, incorporating energy balance equations, mass flow rates, and thermodynamic properties. The model accounts for factors such as vegetation area, ambient conditions, and chimney height.
2：Sample Selection and Data Sources:
The study uses a reference plant with specified parameters (e.g., collector diameter, chimney height) and ambient conditions (e.g., temperature, humidity) as detailed in Table 2. Validation was performed using data from the Manzanares pilot plant.
3：Validation was performed using data from the Manzanares pilot plant.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: No specific experimental equipment or materials are mentioned; the work is computational and based on mathematical modeling.
4：Experimental Procedures and Operational Workflow:
The model calculates performance metrics like collector temperature rise (CTR), mass flow rates (MFRs), and power output under varying conditions (e.g., vegetation area ratio, ambient humidity).
5：Data Analysis Methods:
Results are analyzed through simulations to compare performance with conventional plants and assess economic benefits using market prices for electricity, agricultural products, and fresh water.
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