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Chapter 1365 The foundation of global aviation hegemony

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    However, whether it is the "Headquarters Building" project of the superior unit or the zbdl high-altitude platform that Zhuang Jianye intended, the impact of this five-year-old project on China's take-off and the local economy is obvious.

    If nothing else, in order to support the zbdl high-altitude platform, the local area has planned 4 thermal power stations with an installed capacity of 200 MW and 6 supporting power stations with an installed capacity of 50 MW.

    Therefore, by taking advantage of the power demand issue of the key project of zbdl high-altitude platform, we can solve the problem of power shortage at the southern foot of Qinling Mountains since the founding of the People's Republic of China in one fell swoop.

    With the large-scale construction of electricity, the most important infrastructure, the fields it promotes are almost all-round, such as mineral development. If you want to build a large thermal power plant, how can you do it without energy? So the coal at the southern foot of the Qinling Mountains  , natural gas and other energy industries immediately ushered in great development.

    With a power station, it naturally needs to be transported out, right?

    Therefore, supporting transmission and transformation lines also require large-scale construction.

    With power stations and energy, the two need to be connected, right?

    Therefore, the pipeline transportation of natural gas and the railway and road transportation of coal have been put on the agenda.

    The construction of power stations requires engineering machinery and power generation requires key equipment such as industrial gas turbines, right?

    As a result, China Tengfei¡¯s construction machinery and industrial gas turbines have experienced explosive growth.

    Especially in the field of industrial gas turbines, these high-power core equipment are not only needed for power plants, but also for zbdl high-altitude platforms. For example, the air supply system of the simulation experimental cabin at the core of the high-altitude platform is a key equipment for simulating high-altitude environments.  It is composed of 24 high-power centrifugal compressors, which can provide an air flow rate of more than 1000 kilograms per second in a very short time and a maximum pressure of 8 standard atmospheres at the same time.

    To this end, China Tengfei has equipped 24 high-power centrifugal compressors with 12 6-MW D-33 gas turbines, so that the entire supply system can quickly, effectively and continuously provide the required test environment.

    In addition to the air supply system, the high-altitude platform experimental cabin also has a heating and cooling system to better simulate the thermal phenomena when high-speed airflow impacts the engine and the low-temperature environment at extremely high altitudes.

    ? Therefore rapid heating and cooling is essential.

    Needless to say, heating, heating the 1,000 kilogram-second air flow to 500 degrees Celsius requires an improved cupola. The core device is two 10-megawatt D-47 gas turbines from China Tengfei.

    The natural gas consumed for one day's operation is equivalent to the daily consumption of a medium-sized city with 500,000 households.

    This is already amazing, but compared to refrigeration, heating can easily top the list of energy conservation and emission reduction, because it needs to quickly reduce the air flow rate of 850 kilograms per second to minus 70 degrees Celsius, which is impossible for ordinary gas turbines.  This can only be accomplished with a special large-scale expansion turbine.

    ¡°This technology is only available to General Motors in the United States and Russia¡¯s Gas Power Design Bureau, and is a sensitive equipment list that has been strictly prohibited from export by both countries. It cannot be purchased with any money.

    Since you can¡¯t buy it, make it yourself. So it took China Tengfei three years to finally conquer the key technology of large-scale expansion turbines and realize the complete localization of rapid refrigeration equipment for high-altitude platforms.

    But at the same time, this equipment is also a veritable electric tiger. It can consume 9 megawatts of electricity in one day of operation, and its cooling capacity is enough to provide air conditioning for a city with a population of one million all summer.

    And this is still part of the core equipment of the entire high-altitude platform. If you want the entire high-altitude platform to be fully operational and all power equipment turned on, the daily consumption will reach an astonishing 32 megawatts, which is equivalent to a large city with a population of 5 million.  A city¡¯s electricity consumption in a day.

    This is why China Ascendas chose the location of the ZBDL high-altitude platform at the southern foot of the Qinling Mountains, which is close to the aerospace production and manufacturing base, instead of placing it in Xingzhou or Cotton, which is closer to the aviation business.

    Because the coal and natural gas resources at the southern foot of the Qinling Mountains are more abundant, the power infrastructure itself is also very complete, there are not many power-consuming industries in the area, and the power transmission is not smooth. All these factors can become the power of the zbdl high-altitude platform.  The blood supply place.

    If it is placed next to a city such as Xingzhou, it will probably be in big trouble. As long as the zbdl high-altitude platform is tested, with full firepower, the huge city of Xingzhou will have to cut off power, otherwise there will be no enough zbdl high-altitude  The station is consumed.

    But even though the southern foothills of the Qinling Mountains are uniquely located, new power plants still need to be built to serve as emergency power supply facilities. Otherwise, if the zbdl high-altitude platform collides with the peak power consumption of the local power grid, parts of Gansu and Ning provinces at the northern foothills of the Qinling Mountains will be affected.  You will also encounter power cuts.

    So in order to solve these gaps, we have to build more power plants to balance industrial production andResident life.

    But no matter how huge the consumption of the ZBDL high-altitude platform is, the effect after its completion is indeed obvious. The most direct effect is that China Tengfei discovered that the changes in runoff of the previously developed 2nd generation core aircraft and 2.5th generation core aircraft in high altitude environments will cause some models to  The engine experienced surge, so modifications were made immediately, the structures of the two core engines were re-optimized, and the layout of some models was adjusted to solve the problem.

    Then there are a series of test results surrounding the wd-64vip variable cycle aeroengine.

    If this happened in the past, even if China Takeoff made the wd-64vip variable cycle aeroengine, it would not dare to put it on an airplane, let alone show it in front of many chiefs and leaders.

    Because this type of engine is like a two-faced hypocrite, one thing at medium and low altitudes, and another thing at an altitude of 10,000 meters.

    After all, the high-altitude performance of this dual-channel flow engine that can achieve supersonic cruise is really difficult to control, especially the coordinated speed of the first-stage fan and the second-stage fan combined with the compressor, and the closing and opening of the duct baffle.  Seizing the opportunity cannot be solved by calculating a few formulas and proposing a few theories.

    Rather, it is a matter of experience that requires thousands of hours of continuous experimentation and accumulation to gradually explore.

    If there is no ZBDL high-altitude platform, just relying on the Y-19NB large aero-engine experimental verification platform in China's Tengfei's hand, even if we do it 10,000 times, we still can't figure out the operating mechanism of the WD-64VIP variable-cycle aero-engine at supersonic speeds.  .

    There is no way. Although the performance of the Y-19nb large aeroengine is nothing to say, the maximum speed is only Mach 0.83. Even if you try your best, you can't fly in the supersonic range. How do you do a supersonic cruise test?

    Therefore, the significance of the zbdl high-altitude platform to China Tengfei is not only the achievement of a high-level aviation engine, but more importantly, it further established China Tengfei's unshakable dominance in the domestic aviation field and used it as a springboard.  , stand tall, point your sword at the world, and attack the three giants with absolute aerospace hegemony, Rolls-Royce, Pratt & Whitney, and General Motors, until you establish your own aerospace hegemony.

    Because of this, zbdl high-altitude platform and China Takeoff are the foundation for future global aviation hegemony!

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