1. 西安交通大学 动力工程多相流国家重点实验室,陕西,西安,710049
2. 中国原子能科学研究院,北京,102413
钱奕然(1997—),男,山东聊城人,博士研究生,研究方向为热力系统优化设计和控制策略
陈伟雄(通信作者),男,教授,博士生导师,E-mail:chenweixiong@mail.xjtu.edu.cn
网络首发:2025-08-12,
纸质出版:2025
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钱奕然,宋美慧,冷宇洋,刘涛,霍红磊,赵全斌,陈伟雄. 闭式空气布雷顿循环容积控制系统优化设计动力工程学报, 2025, 45(8): 1299-1307 https://doi.
org/10.19805/j.cnki.jcspe.2025.240386
钱奕然,宋美慧,冷宇洋,刘涛,霍红磊,赵全斌,陈伟雄. 闭式空气布雷顿循环容积控制系统优化设计动力工程学报, 2025, 45(8): 1299-1307 https://doi. DOI: 10.19805/j.cnki.jcspe.2025.240386.
org/10.19805/j.cnki.jcspe.2025.240386 DOI:
建立了闭式空气布雷顿循环系统的动态仿真模型
分析了不同储罐容积下容积控制法变负荷过程的动态响应特性。对比分析了旁通控制、容积控制和旁通-容积联合控制方法在降负荷过程中系统动态响应规律。结果表明:储罐体积会限制容积控制法变负荷最大调节深度
容积越大
变负荷调节范围就越大;在75%和50%负荷目标下
联合控制策略的降负荷速率相对容积控制分别提升了18.71%和16.57%
而最终循环效率相对旁通控制分别提升了20.81%和37.66%;旁通-容积联合控制策略具有良好的负荷跟踪性能
有效提升了降负荷调节的高效性和灵活性
实现了不同控制方式的优势互补。
The dynamic simulation model for a closed air Brayton cycle system was established to analyze the dynamic response characteristics of the inventory control method under variable load processes with different storage tank volumes. The study comparatively investigated the system dynamic response patterns during load reduction process using bypass control
inventory control
and combined bypass-inventory control strategies. Results show that the storage tank volume constrains the maximum load adjustment depth of inventory control
where larger tank volume enables greater load variation range. Under 75% and 50% load targets
the combined control strategy achieves faster load reduction rate of 18.71% and 16.57% respectively compared to inventory control
while achieving higher cycle efficiency of 20.81% and 37.66% respectively compared to bypass control. Bypass-inventory combined strategy exhibits excellent load tracking capability
effectively enhances both efficiency and flexibility of load reduction regulation and achieves complementary advantages of different control approaches.
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