Sailing technology demonstration and application l

2022-07-30
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Return triumphantly! The sail prototype of the "sail technology demonstration and application development" project led by China Shipbuilding Corporation successfully completed the sea trial from October 20 to 24. After five days of sea trials, the "sail technology demonstration and application development" project successfully completed the sea trial mission, achieved the expected purpose and returned triumphantly. The success of this sail navigation test fully proves that the airfoil sail scheme is effective, and the effect of wind boosting super large ships is remarkable. From October 20 to 24, after five days of sea trials, the "sail technology demonstration and application development" project successfully completed the sea trials, achieved the expected objectives and returned triumphantly. The success of the so-called strain gauge sensor in this sail navigation test fully proves that the airfoil sail scheme is effective and the effect of wind boosting super large ships is remarkable. In the context of global energy conservation and emission reduction, wind resources will be promoted and applied in more ships as an important means of ship energy conservation and emission reduction

the sail prototype test was carried out on the 300000 ton VLCC of China Merchants ship undertaken by China Shipbuilding Corporation. A total of 50 people, including the Ministry of science and technology and information technology of CSIC, the merchant ship owner, CSIC 702 Institute, China Classification Society and the relevant design, construction and sail making units of Dashu group, the leading unit of the sail project, participated in the sea trial

in order to do a good job in the sea trial, China shipbuilding group took the lead in making full preparations for the sea trial. The sailing test program of the sail prototype was worked out and passed the expert review; The sail operation process, emergency operation plan, test plan, safety review, etc. have been prepared to ensure the smooth implementation of the sail trial

this navigation test mainly carried out: sail alarm point and control system test, sail demonstration test, sail handling performance test, sail boost verification (including EEDI) test, etc. The test was carried out in full accordance with the predetermined test procedure. Through the preliminary analysis of the field measured data, the sail boosting effect meets the design expectations. After the sail navigation test, the collected data will be comprehensively analyzed and evaluated according to the requirements of the development task to complete the assessment index report of the final project

"The sail technology demonstration application automatically calculates the maximum air force, upper and lower yield strengths, hysteresis loop method, gradual approximation method, non proportional extension strength, tensile strength, compressive strength, constant extension strength at any point, constant load extension at any point, elastic modulus, elongation, maximum, minimum, average value, net energy, turn back energy, total energy, tortuous modulus, breakpoint displacement x% load, breakpoint load x %The project of "displacement, waiting and development" is an innovative key project of DSSC focusing on energy conservation and emission reduction of main ship types. Its application in VLCC real ships is the first time in China. This project is an innovation in the domestic and international industry, whether from the size of sail prototype or the tonnage of the ship installed. It usually uses drop weight test devices to carry out experimental simulation and fill in gaps. Since the commencement of the sail prototype on September 1st, 2017, under the careful organization of China shipbuilding industry group, DSSC has led and organized the domestic top advantage team to carry out a lot of research, demonstration, calculation, test, review and analysis from the sail airfoil design and hydrodynamic division, to the structural, hydraulic and electrical design, to various risk assessment and drawing review, We have successively overcome a large number of technical problems such as the development process technology, process flow and process equipment of the sail prototype, and completed important nodes such as the fabrication of structural components, land-based tests and sea tests

China heavy industry shipbuilding group

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