towing tank 中文意思是什麼
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The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too
比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點，探討了在減壓拖曳水池中實現實船自航點的方法，並進行了兩只螺旋槳模型的脈動壓力測試，經與空泡水洞中脈動壓力的測試結果進行比較，說明該項測試是成功的，同時也對脈動壓力的理論預報結果做了驗證。 -
Experimental data from the towing tank tests show that the hydrofoils give more water - drags on the raft ' s hull, and that the hydrodynamic performance of a ferrying raft will be improved by rational designs of the hydrofoils ' profile, angles of attack as well as the position of hydrofoil on the hull
船模水池中的模型拖曳試驗表明，盡管水翼會增加門橋的水阻力，但只要合理地設計水翼的翼型、攻角和安裝位置，可以改善和提高門橋水動力性能。 -
We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system
對我校船模水池原有的搖板式造波系統的性能進行了理論分析，針對水池原有造波機系統模擬海浪的不足，對該系統進行升級與改造，更換了主控計算機並加裝d a轉換卡，重新設計了造波控制信號的介面與傳輸方式，捨去了原系統中現已淘汰的磁盤機，使轉換后的造波控制電壓信號直接輸入到造波控制器中，再由造波控制器通過液壓伺服系統驅動造波板進行造波。 -
Being the nonlinear function of attack angle, the hydrodynamic forces acting upon the submersible are determined by a towing tank test
作用於潛水器上的水動力系攻角的非線性函數，可用拖曳水池試驗加以測定。 -
With the fund item sponsored by the national laboratory of hydrodynamics, the study on measurement method of propeller - induced pressure with using self - propulsion model has been carried out in depressurized towing tank
在脈動壓力的模型測試研究方面，本文在水動力學國家重點實驗室基金項目的資助下，對在減壓拖曳水池中利用自航模進行空泡螺旋槳誘導的脈動壓力的測試方法進行了研究。 -
The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland
本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題，建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序，並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。 -
At present, the seakeeping experiment of shipmodel is a regular test project in the shipmodel towing tank laboratory in our school. so, the capability of wave - making system of towing tank becomes the linchpin upon which undertake to test
目前，船模耐波性試驗是我校船模水池實驗室經常性的實驗任務，因此，水池中造波系統性能的優劣就成為能否承擔試驗和試驗能否順利進行的關鍵。 -
( international organizations - such as the imo ( international maritime organization ), the ittc ( international towing tank conference ) and the sname ( society of naval architects and marine engineers ) have become more active in the stimulation of research on those aspects of ship maneuverability which are vital for navigation safety and oceans protection
另外，國際拖曳水池會議（ internationaltowingtankconference ， ittc ）和各國造船與輪機工程師協會（ societyofnavalarchitectsandmarineengineers ， sname ）在推動船舶操縱性研究方面也起了很大的積極作用。 -
In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good
三維船舶粘性流計算方法，具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力，已成功地應用於船舶快速性方面的阻力預報；在船舶操縱性方面，這類方法雖處于初始發展階段，但也已獲得重大進展，具有精確預報船舶操縱水動力的潛力。 -
Towing tank data
船模拖曳試驗數據
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