Calculation method of wind speed correction coefficient for independent hill topography
A wind speed correction and coefficient calculation technology, applied in the field of mountain wind research, can solve problems such as inconsistencies in specifications, achieve accurate and reliable results, less display errors, and reasonable calculation results
Active Publication Date: 2022-03-18
CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP
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However, according to three methods of field measurement, wind tunnel test and numerical simulation, it is shown that the wind speed correction coefficient on the leeward side is less than 1, which is inconsistent with the specification
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[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.
[0030] like figure 1 As shown, the present invention provides a method for calculating independent hill terrain wind speed correction coefficient, which is characterized in that it comprises the following steps:
[0031] The first step is to measure the overall height H of the mountain, in m;
[0032] The second step is to measure the slope α of the windward slope, the unit is angle;
[0033] The third step is to measure the surface altitude z of the building position on the windward slope, and the unit is m;
[0034] The fourth step is to substitute the height of the mountain body, the slope of the mountain body and the surface altitude of the building position into the following formula to calculate the correction coefficient ...
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The invention provides a method for calculating the wind speed correction coefficient of an independent hill topography, which is characterized in that it includes the following steps: the first step is to measure the total height H of the mountain, and the unit is m; the second step is to measure the slope α of the windward slope, and the unit is angle ; The third step is to measure the surface altitude z of the building position on the windward slope, and the unit is m; the fourth step is to substitute the mountain height, mountain slope and building position surface altitude into the formula to calculate the wind wind correction coefficient. The purpose of the present invention is to provide a calculation method for the wind speed correction coefficient of the windward slope of the independent hill topography for the calculation method in which the correction coefficient is directly taken as 1 in the prior art, which makes up for the deficiencies of the existing norms and improves the calculation of the hill topography precision.
Description
technical field [0001] The invention relates to the technical field of mountain wind research, in particular to a method for calculating wind speed correction coefficients on windward slopes of independent hill topography. Background technique [0002] Among all kinds of micro-topography in nature, terrain such as independent hills, uplifts, passes, and canyons will have a greater impact on wind speed. Scholars at home and abroad have done a lot of research and discussion on the acceleration effect of mountain wind in terms of observation, theoretical analysis and numerical simulation calculation, and have also achieved many meaningful results. [0003] It is the most direct and effective method to conduct wind observation experiments in the real natural wind environment. In the 1980s, a number of on-site wind measurement experiments were carried out abroad, mainly including the Montenegro experiment, Blashaval Hill experiment, Askervein Hill experiment, Kettles Hill and Hj...
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IPC IPC(8): G06F30/20G06F111/10
CPCG06F30/20
Inventor 赵永胜胡昌盛刘德平曾渠丰饶贞祥丁杰华陈全勇张文杰王玮玮邵太华黄传华桂红华刘志进田文文员江斌
Owner CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP