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1. The difference between Biotaba flowmeter and Delta flowmeter
“ The Bitoba flowmeter is a patented product of Tsinghua University and the only flowmeter product recommended by the National Development and Reform Commission. It is the most advanced instrument for measuring fluid flow in China certified by the Chinese Academy of Metrology, and is also the most advanced flowmeter in the world (currently only China, Germany, and the United States have this technology). This statement is so scary, flashy, and extremely repulsive to us technicians! The most obvious difference between Bitoba and Deltaba is that the former has fewer measurement points, while the latter has multi-point measurement and can easily achieve grid Fabry Perot measurement in the pipeline. The former cannot achieve this, and the correction explanation for this fatal flaw is Xi Xiang: "After a lot of blowing, it has created a plump and plump body. The database is implemented through correction calculations. Those who are slightly knowledgeable should know that the straight sections of air ducts in industrial sites are often relatively small, which cannot meet the measurement requirements. Moreover, the wind field is quite complicated, with baffle doors, supports, and slow air distribution all making the wind field very difficult. Especially for large diameter air ducts, the flow velocity difference at each point is extremely large, and many places are even reversed. Under such conditions, can it be solved through database correction? Based on my understanding, there is nothing particularly special about Bituoba, it can be said that it has only made several optimizations on the basis of the classic Bituoba.
2. Bitoba Flow Meter Selecti
The core points of the Bitoba Flow Meter Selection List are as follows: Model Code: BTBS: Standard Type, suitable for gas, steam, and liquid.
. BTBM: High temperature and high pressure type, suitable for fluids containing impurities. BTBB: Anti clogging and wear-resistant type, suitable for fluids containing impurities. Performance code: H: High temperature. L: Low voltage. K: Other performance characteristics. F: Split design. N: Wear resistant. Y: Bidirectional. Z: Pocket sized. Q: Other special requirements. Pipeline standard: Circular pipeline: outer and inner diameters are required. Square pipeline: Installation surface size and wall thickness need to be provided. Other options: Backblowing device: □ 0, □ 1, □ 2. Condensation device: □ 0, □ 1, disassembly answer □ 2. Display mode: □ S0, □ S1, etc. Installation form and protective device: Choose according to specific requirements of the belt, such as welding, L ü chi Hui flange connection, etc. Online drilling: □ N indicates offline drilling. If online drilling is required, specific examples must be provided. Attention: When selecting, please check the corresponding box with a √, and for special configurations, please provide detailed explanations in the remarks. The above content is only the basic framework for selecting Bitoba flow meters. Specific selection still needs to be comprehensively considered based on actual working conditions and fluid characteristics.3. Calculation formulas related to Biota flowmeter
The calculation formulas related to Biota flowmeter mainly include the following points: the calculation formula for the center value of flow velocity V center: V center=Ai ·√ 2 △ P/ρ, where △ P is the standard pressure dif