疲勞壽命片 的英文怎麼說
中文拼音 [píláoshòumìngpiān]
疲勞壽命片
英文
fatigue life gage-
Strain fatigue and life estimate of zr - 4 alloy slice
4合金薄片材料的應變疲勞與壽命估算Accounting for creep and stress relaxation, a long - term life and low cycle fatigue life prediction method for gas turbine engine hot section is established
摘要建立了考慮蠕變和應力鬆弛的航空發動機渦輪葉片等高溫構件的持久壽命和低循環疲勞壽命預測方法。Using the strain gauge to acquire data of the stress time history under current operating condition on the critical location of the vane wheel, and using the fatigue theory to evaluate its residual working life is one of the effective engineering methods on fatigue problems study
摘要通過在葉片危險部位粘貼應變片進行數據採集以獲取其在當前運行工況下的應力時間歷程，結合疲勞理論來預估其剩餘工作壽命是工程中有效的疲勞問題研究方法。The long - term life and low cycle fatigue life of low pressure turbine blade for an aeroengine under real loading spectrum is analyzed by using this method
用該方法對某型發動機低壓渦輪工作葉片在實際飛行載荷譜作用下的持久壽命和低循環疲勞壽命進行了分析。The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks
本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。According to european standard of wind turbine authentication, fatigue loads are selected by this dissertation as the main subject. so, a system of fatigue loads is designed. as the most important components, loads and life prediction of blades and tower of wind turbine are measured
結合國外風力發電機組檢測認證的項目內容，本文選取了主要參數中的疲勞載荷構建了風力發電機組的疲勞載荷測試系統，重點是對風力發電機葉片和塔架做了疲勞載荷分析和壽命預測。分享友人