Dymola /Modelica Thermal Control, Cooling & Power Generation Simulation (R134a, R123, PCM, ORC)
Budget: $30 – $250 USD
Dymola / Modelica Thermal Control, Cooling & Power Generation Simulation (R134a, R123, PCM, ORC)
Dymola / Modelica 热控、冷却与发电系统仿真建模任务（R134a、R123、PCM、ORC）
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Project Description / 项目描述
I need a Dymola (Modelica) simulation project covering several thermal management and power generation systems, as shown in the attached document.
The tasks include modeling, simulation, and plotting for systems involving heat control, phase change materials (PCM), vapor compression refrigeration, and Organic Rankine Cycle (ORC).
我需要一个基于 Dymola（Modelica） 的仿真项目，内容包括多个 热控、储能、制冷与有机朗肯循环发电系统 的模型搭建、仿真与结果输出。
任务需根据附件图示内容完成，包括 相变材料（PCM）储热、R134a/R123 工质、蒸发冷凝过程、ORC 发电循环 等系统。
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Task Details / 任务说明
1.Thermal Control System (热控冷却系统)
• Build Dymola model with evaporator, condenser, valve, pump.
• Working fluid: R134a
• Simulate for 1000 s, output plots of temperature–time and mass flow rate–time.
• 蒸发器—冷凝器—阀—泵组成循环，工质为 R134a，仿真时间 1000s，输出温度-时间、流量-时间图。
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2.Phase-Change Cooling System (相变储能冷却系统)
• Add PCM storage tank, simulate for 3000 s, with variable heat load (10W → 3kW).
• Show plots of PCM temperature, valve control vs time.
• 增加 PCM 储能模块，仿真时间 3000s，热负载 10W→3kW，输出 PCM 温度、阀门控制随时间变化图。
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3.Vapor Compression Refrigeration System (蒸汽压缩制冷系统)
• Replace constant cold source with a real vapor-compression cycle.
• Rated cooling power ≈ 1 kW.
• Output plots: refrigerant temperature, pressure, and valve position vs time.
• 将冷源替换为真实制冷循环，额定功率 1kW，输出温度、压力及阀门控制变化图。
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4.ORC Power Generation System (有机朗肯循环发电系统)
• Working fluid: R123, heat source 90°C hot water, cold source 10–30°C sinusoidal variation.
• Simulate for 1200 s, output generator power–time, temperature–time, pressure–time plots.
• 工质 R123，热源 90°C 热水，冷源 10–30°C 正弦波变化，仿真 1200s，输出功率、温度、压力随时间变化图。
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5.Custom Fluid Programming (自编程工质定义)
• Define a new working fluid with solid–liquid–gas transitions.
• Simulate phase change and flow process, output mass fraction, temperature, pressure vs time.
• 自定义工质的物性参数，展示固液气相变化过程，输出质量分数、温度、压力随时间变化图。
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Deliverables / 交付内容
• .mo Dymola model files for all systems
• Simulation plots (temperature–time, pressure–time, power–time, etc.)
• Short explanation or report (English preferred)
• Screenshots showing simulation results
交付内容包括：
• 各系统完整 Dymola 模型文件（.mo）
• 仿真结果图（温度-时间、压力-时间、功率-时间等）
• 简要说明文档（推荐英文）
• 仿真运行截图
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Requirements / 要求
• Must use Dymola / Modelica (not MATLAB)
• Familiar with thermodynamics, two-phase flow, energy conversion systems
• Experience with R134a, R123, PCM modeling preferred
必须使用 Dymola / Modelica 软件完成
具备热力学、两相流、能量转换系统建模基础
有 R134a、R123、PCM 相变系统经验者优先
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Keywords / 关键词
Dymola, Modelica, Thermal control, Cooling system, Phase change material,
PCM, R134a, R123, Vapor compression refrigeration,
Organic Rankine Cycle, ORC, Heat transfer,
Energy conversion, Simulation, Dynamic modeling,
Thermal management, Two-phase flow, Heat exchanger, Evaporator, Condenser
Modelica、Dymola、Simulink、AMESim、Engineering Simulation
The images contain the full detailed task requirements in Chinese — please complete everything strictly according to the instructions shown in the images!
Dymola / Modelica 热控、冷却与发电系统仿真建模任务（R134a、R123、PCM、ORC）
⸻
Project Description / 项目描述
I need a Dymola (Modelica) simulation project covering several thermal management and power generation systems, as shown in the attached document.
The tasks include modeling, simulation, and plotting for systems involving heat control, phase change materials (PCM), vapor compression refrigeration, and Organic Rankine Cycle (ORC).
我需要一个基于 Dymola（Modelica） 的仿真项目，内容包括多个 热控、储能、制冷与有机朗肯循环发电系统 的模型搭建、仿真与结果输出。
任务需根据附件图示内容完成，包括 相变材料（PCM）储热、R134a/R123 工质、蒸发冷凝过程、ORC 发电循环 等系统。
⸻
Task Details / 任务说明
1.Thermal Control System (热控冷却系统)
• Build Dymola model with evaporator, condenser, valve, pump.
• Working fluid: R134a
• Simulate for 1000 s, output plots of temperature–time and mass flow rate–time.
• 蒸发器—冷凝器—阀—泵组成循环，工质为 R134a，仿真时间 1000s，输出温度-时间、流量-时间图。
⸻
2.Phase-Change Cooling System (相变储能冷却系统)
• Add PCM storage tank, simulate for 3000 s, with variable heat load (10W → 3kW).
• Show plots of PCM temperature, valve control vs time.
• 增加 PCM 储能模块，仿真时间 3000s，热负载 10W→3kW，输出 PCM 温度、阀门控制随时间变化图。
⸻
3.Vapor Compression Refrigeration System (蒸汽压缩制冷系统)
• Replace constant cold source with a real vapor-compression cycle.
• Rated cooling power ≈ 1 kW.
• Output plots: refrigerant temperature, pressure, and valve position vs time.
• 将冷源替换为真实制冷循环，额定功率 1kW，输出温度、压力及阀门控制变化图。
⸻
4.ORC Power Generation System (有机朗肯循环发电系统)
• Working fluid: R123, heat source 90°C hot water, cold source 10–30°C sinusoidal variation.
• Simulate for 1200 s, output generator power–time, temperature–time, pressure–time plots.
• 工质 R123，热源 90°C 热水，冷源 10–30°C 正弦波变化，仿真 1200s，输出功率、温度、压力随时间变化图。
⸻
5.Custom Fluid Programming (自编程工质定义)
• Define a new working fluid with solid–liquid–gas transitions.
• Simulate phase change and flow process, output mass fraction, temperature, pressure vs time.
• 自定义工质的物性参数，展示固液气相变化过程，输出质量分数、温度、压力随时间变化图。
⸻
Deliverables / 交付内容
• .mo Dymola model files for all systems
• Simulation plots (temperature–time, pressure–time, power–time, etc.)
• Short explanation or report (English preferred)
• Screenshots showing simulation results
交付内容包括：
• 各系统完整 Dymola 模型文件（.mo）
• 仿真结果图（温度-时间、压力-时间、功率-时间等）
• 简要说明文档（推荐英文）
• 仿真运行截图
⸻
Requirements / 要求
• Must use Dymola / Modelica (not MATLAB)
• Familiar with thermodynamics, two-phase flow, energy conversion systems
• Experience with R134a, R123, PCM modeling preferred
必须使用 Dymola / Modelica 软件完成
具备热力学、两相流、能量转换系统建模基础
有 R134a、R123、PCM 相变系统经验者优先
⸻
Keywords / 关键词
Dymola, Modelica, Thermal control, Cooling system, Phase change material,
PCM, R134a, R123, Vapor compression refrigeration,
Organic Rankine Cycle, ORC, Heat transfer,
Energy conversion, Simulation, Dynamic modeling,
Thermal management, Two-phase flow, Heat exchanger, Evaporator, Condenser
Modelica、Dymola、Simulink、AMESim、Engineering Simulation
The images contain the full detailed task requirements in Chinese — please complete everything strictly according to the instructions shown in the images!