研究目的
Investigating the thermal/mechanical interaction in the laser perforation process to predict the penetration rate and mechanical damage around perforation tunnels in rock samples.
研究成果
The developed numerical model effectively predicts the laser perforation rate and mechanical damage in rock samples, highlighting the significant influence of thermal properties on perforation rate and the development of mechanical damage zones. The model serves as a valuable tool for designing and optimizing laser perforation processes in field applications.
研究不足
The study focused on isotropic homogeneous materials and did not fully account for the temperature dependence of material properties or the influence of confining stress on material properties. Future work could include comparisons with experimental data and extensions to porous-medium fluids and borehole geometry.
1：Experimental Design and Method Selection:
The study involved developing a numerical model to simulate the laser perforation process, coupling heat conduction with the elastic/plastic constitutive mechanical response of rocks.
2：Sample Selection and Data Sources:
Rock samples were used in the simulations, with properties such as thermal conductivity, specific heat capacity, and mechanical properties defined.
3：List of Experimental Equipment and Materials:
A laser beam was the primary equipment, with properties like beam radius and power defined.
4：Experimental Procedures and Operational Workflow:
The model simulated the laser heating process, including temperature propagation, thermal expansion, and phase changes.
5：Data Analysis Methods:
The model analyzed the effects of material properties, stress ratio, and laser-beam characteristics on penetration rate and mechanical damage.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
