The cylinder test experiment is an excellent method to derive Jones‐Wilkins‐Lee‐parameters as the expansion work of the detonation products can be determined from the experimentally observed wall velocity by an analytic approach. However, the physical description of the problem is essential for a precise determination of the expansion work. A useful method to develop and validate such models is to perform hydrodynamic simulations. This work aims to provide an improved analytic model and to introduce a robust and accurate solver design to calculate JWL‐parameters in combination with an optimization of the experimental setup. An extended version of an already accurate literature model is presented, where the air gap is taken into account within the balance equations. Moreover, the surface angle of the cylinder wall is determined from geometric considerations instead of preliminary simulations for conventional explosives. Besides, an own empiric approach for the strain model is introduced, which leads to a smaller deviation between the expansion work from the cylinder test simulation and the calculated expansion work for the underlying equation of state. Regarding the derivation of JWL‐parameters and the determination of the Chapman‐Jouguet‐pressure, the complete workflow, including the global numerical optimization method, is described in detail and the accuracy and robustness of the solver are proven. The entire workflow is validated for different (full‐wall) geometries and conventional explosives to verify that the method scales. Finally, geometric considerations for the placement of the PDV‐gauges are provided to optimize the design and geometry of cylinder test experiments.

中文翻译：

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改进基于PDV的气缸测试实验的设计和评估，以进行JWL参数确定

气缸测试实验是推导Jones-Wilkins-Lee参数的绝佳方法，因为爆炸产物的膨胀功可以通过分析方法从实验观察到的壁速确定。但是，问题的物理描述对于精确确定扩展工作至关重要。开发和验证此类模型的一种有用方法是执行流体动力学模拟。这项工作旨在提供一种改进的分析模型，并引入可靠且准确的求解器设计，以结合优化实验设置来计算JWL参数。给出了已经很精确的文献模型的扩展版本，其中在平衡方程中考虑了气隙。此外，汽缸壁的表面角度是根据几何考虑确定的，而不是常规炸药的初步模拟。此外，引入了自己的应变模型经验方法，这导致了来自圆柱体试验模拟的膨胀功与所计算的基础状态方程的膨胀功之间的偏差较小。关于JWL参数的推导和Chapman-Jouguet压力的确定，详细描述了包括全局数值优化方法在内的完整工作流程，并证明了求解器的准确性和鲁棒性。整个工作流程都针对不同（全壁）几何形状和常规炸药进行了验证，以验证该方法的规模。最后，