医院手术室被认为是能源最密集的设施之一，其环境要求也是最复杂的。本研究项目的总体目标是确定和证明控制策略，以减少能源需求，同时不会对手术室内的环境质量产生有害影响。本文报告了利用数学和生物物理模型对能源需求和生命周期成本的预测。在每小时17次换气（ACH）条件下运行的再循环空气系统（其中20%为室外空气）所需的年能量预计为8000 MJ/m²（0.71 x 106Btu/f²），或比在每小时12次换气（14430 MJ/m²，1.01 x 100 Btu/ft²）条件下运行的100%室外空气系统少30%。与100%室外空气系统相比，循环空气系统的当前等效成本（PEC）相应降低约20%。通过数学和生物物理模型确定了控制策略，这将减少进入手术区域的大颗粒沉降，同时将手术室的总空气交换率从17 ACH降至12 ACH，从而进一步降低能量需求。 这项研究的一个主要含义是，虽然手术室传统系统的一些替代方案可能会大幅降低年度能源需求，但由此产生的成本降低可能无法证明增加患者和工作人员福利风险的合理性。一个主要结论是，环境控制系统的设计能够降低患者感染的风险，改善手术团队的热舒适性，并降低系统的生命周期成本。单位:双引文:阿什雷交易，1986年，第92卷，第。2A，波特兰，或

Hospital operating rooms are considered to be among the most energy-intensive facilities and their environmental requirements to be among the most complex. The overall objective of this research project was to identify and demonstrate control strategies that could reduce energy requirements while not producing deleterious effects on the enviromental quality within the operating room.Reported in this paper are projections of energy requirements and life-cycle costs that were made by use of mathematical and biophysical models. The annual energy required for the recirculating air system operating at 17 air changes per hour (ACH), 20% of which was outdoor air, was projected to be 8000 MJ/m2(0.71 x 106Btu/f2) or 30% less than for the 100% outdoor air system operating at 12 ACH, 14,430 MJ/m2(1.01 x 100 Btu/ft2). The corresponding reduction in Present-Equivalent Cost (PEC) for the recirculating air system was approximately 20% as compared to the 100% outdoor air systemA control strategy was identified, through mathematical and biophysical models, that would result in less settling of large particles into the field of surgery while reducing the total air exchange rates in the operating roams from 17 ACH to 12 ACH, thus further reducing energy requirements.A major implication of this research is that while some alternatives to conventional systems for operating rooms may result in substantial reductions in annual energy requirements, the resultant cost reductions may not justify the added risk to patient and staff well-being. A major conclusion is that environmental control systems can be designed that are capable of reducing the risk of patient infection, improving the thermal comfort of the surgical team, and reducing the life-cycle cost of the system.Units: Dual