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目的根据梯度因子(GF)在潜水减压算法中起到的调整方案保守度的作用,研究其作用规律并提出优化应用原则。方法取各理论组织的饱和数值,列表计算减压上限进行分析。从减压安全和效率方面对GF可能产生的效应进行评价,对GF的锚定点进行修改。结果和结论对于浅而短的潜水,GF的设定数值宜高;对于深而长的潜水,GF的设定数值宜相对较低,并建议采用吸氧减压法;修改GF的锚定点可能会增大减压病的风险,须慎用。
Aim To study the role of gradient factor (GF) in adjusting the conservativeness of submarine decompression algorithm, and to study its law of action and to put forward the principle of optimization and application. Methods Saturation values of each theoretical organization were taken and the upper limit of decompression was calculated and analyzed. The possible effects of GF were evaluated from safety and efficiency of decompression, and the anchoring point of GF was modified. RESULTS AND CONCLUSION GF should be set to a high value for shallow and short dive, GF should be set relatively low for deep and long dive, and oxygen reduction and decompression should be recommended. Modifying GF anchors may Will increase the risk of decompression sickness, must be used with caution.