Centerline temperature distribution of compartment spray fire under limited ceiling ventilation

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2025-05-13 DOI:10.1016/j.csite.2025.106322

Fangpeng Guo , Changjian Wang

引用次数: 0

Abstract

To explore the centerline plume temperature distribution of a spray fire in a compartment with restricted ventilation, a series of experiments were conducted in a ceiling ventilated enclosure. The investigation assessed three distinct ceiling vent sizes and five varying injection pressures. Results indicate that injection pressure significantly enhances the average fire plume temperature. Conversely, the positive effect of vent size on the average fire plume temperature is predominantly observed within the height range of 0.34 m–1.34 m, while it exhibits a counteracting influence between 1.54 m and 1.74 m. A new predictive formula for the average fire plume temperature, which accounts for ceiling ventilation effects, was developed and demonstrates excellent consistency with experimental data.

查看原文本刊更多论文

有限顶棚通风条件下隔间喷雾火灾的中心线温度分布

为了研究限制通风舱内喷淋火灾的中心线羽温分布，在顶棚通风舱内进行了一系列实验。调查评估了三种不同的天花板通风口尺寸和五种不同的注入压力。结果表明，喷射压力显著提高了平均烟羽温度。相反，在0.34 m - 1.34 m高度范围内，通风口尺寸对平均烟羽温度的影响主要为正效应，而在1.54 m - 1.74 m高度范围内，通风口尺寸对平均烟羽温度的影响呈抵消作用。建立了考虑顶棚通风影响的平均烟羽温度预测公式，与实验数据具有较好的一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.