船體噪聲 的英文怎麼說
中文拼音 [chuántǐzàoshēng]
船體噪聲
英文
boat noise-
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義At last, it is the part of dealing with the data is gained in experimentation. we have made the experimentations in songhua lake. in the paper, i analyze and deal with the primal data of eradiate noise to get the ratio of recognition and make a conclusion that the feature extraction arithmetic and classifier arithmetic are efficient
本文利用兩次松花湖湖泊試驗所采哈爾濱工程大學碩士學位論文集的船舶輻射噪聲數據進行分析處理,為了驗證模糊融合分類器的分類性能,依據具體情況做了兩個分類試驗,給出各自具體的識別率,並由此得出了相應的結論,即本文所選取的特徵提取和分類器演算法基本上是有效的。The flow - noise in seawater pipeline has more influence on working environment and warship personnel health, and radiation noise from the pipeline exits also seriously effects on the hiding ability of warships
海水管路系統的流噪聲對工作環境及艦船人員身體健康有較大的影響,並且通過管口向艇外輻射噪聲,嚴重地影響艦船的隱蔽性。The noise of ship superstructure cabin has becoming a more and more important problem because of many negative factors caused by ship vibration and noise, such as the fatigue and breakage of ship structure, failure performance of the instrument and device and the uncomfortable feeling, even the health weakening of passengers and crew
船上噪聲不僅會導致某些結構聲振疲勞破壞,還會影響艙內各種儀器、設備作用的正常發揮,對居住在艙室的人來說輕則影響到其居住環境的舒適性,重則對人體健康有危害。因此,船舶上層建築的艙室噪聲問題已日益引起船舶設計工作者的關注。This paper is aimed to provide a computational method of sound radiation from the pressure and non - pressure hulls of submarines subjected to harmonious point forces. it is significant for reducing vibration and sound radiation of the submarine hull, guiding the optimization design of submarine and enhancing its battle ability
本文尋求潛艇耐壓和非耐壓船體結構受激振動輻射噪聲的計算方法,分析潛艇結構輻射噪聲的影響因素,對降低艇體振動和輻射的噪聲,以及潛艇結構進行隱身優化設計、提高其戰鬥力具有十分重要的理論指導意義。Noise control can be well actualized with understanding of the acoustics characters of thin plate, cylindrical shell, stiffened plate and stiffened shell in liquid medium, which are the most common structure of car, aircraft and ship
薄板、圓柱殼、加筋板、加肋圓柱殼是汽車、輪船、飛機等交通工具中的結構組織形式,了解他們在流體介質中的聲學特性有助於對他們實施有效的減振降噪措施。The arc welding is one of the basic technology of shipping manufacture, the problems may be harm for the health of operators, who are exposed to the environment of welding fume, noxious gas, noise and electromagnetism for a long time, are always being paid attention by all government departments and professionals
摘要電弧焊接是船舶製造中的基礎工藝之一,對操作人員長期暴露在焊接煙塵、有害氣體、噪聲及電磁等環境下可能危害健康的問題一直是各級政府部門和各界專業人士的關注的重點。On the basis of analysis of vibration and noise characteristics, measures for controlling noise and vibration in high - speed ship were described in this paper. frequency storage of different precision calculated by different method was also put forward. in dealing with the fluid in the tank, which affects the vibration of bottom plates in the ship, new regulations given in the paper are in better accordance with practical circumstance
在分析了高速船振動、噪聲特性的基礎上,闡述了適合高速船的振動與噪聲控制措施,提出了相應不同計算方法精度的不同頻率儲備量,對處理艙內液體對船底結構振動的響應提出了更符合實際情況的新規定Abstract : on the basis of analysis of vibration and noise characteristics, measures for controlling noise and vibration in high - speed ship were described in this paper. frequency storage of different precision calculated by different method was also put forward. in dealing with the fluid in the tank, which affects the vibration of bottom plates in the ship, new regulations given in the paper are in better accordance with practical circumstance
文摘:在分析了高速船振動、噪聲特性的基礎上,闡述了適合高速船的振動與噪聲控制措施,提出了相應不同計算方法精度的不同頻率儲備量,對處理艙內液體對船底結構振動的響應提出了更符合實際情況的新規定分享友人