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Chapter 1497 Lighter, Economical and Stronger

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    Because of this, the Navy pays more attention to the bidding and construction of the second phase of the West-East Gas Transmission Project than other units.

    ¡°It¡¯s just that their focus is not on China Takeoff¡¯s 20-megawatt gas turbine, but on the improved da-80 gas turbine of the Aviation Development Corporation.

    This is not to say that the Navy does not pay attention to China's take-off products.

    In fact, since the beginning of the new century, with the deepening of military reform, the procurement of military equipment has changed greatly from the mandatory and task-based procurement of the 1980s and 1990s.

    It incorporates many advanced practices from Western developed countries, such as hedging investments.

    For example, in the case of naval gas turbines, the naval armament department has invested in China Ascendas and Aviation Development Corporation.

    Therefore, no matter which company achieves results, the Navy has priority in procurement.

    The rest is to see which company can be the first to come up with the products required by the navy.

    It is obvious that this is a competitive procurement model that not only improves efficiency, but also has an immeasurable role in promoting innovation.

    Therefore, in some relatively selective areas, the military is implementing this procurement policy.

    Back to the marine gas turbine.

    It is obvious that the Aerospace Engineering Corporation has taken the lead. As early as 2002, with the technical support of the Russian Aerospace Power Corporation, they copied the da-80 gas turbine, although it did not perform very well in the first phase of the West-East Gas Pipeline Project.  Ideal, but as the only 20-megawatt high-power gas turbine that can be put into practical use in China, the da-80 still receives high attention and praise, which can be said to be full of buffs.

    Several years have passed. Not only has the Aviation Development Corporation received support from GE, but the Russian Aerospace Dynamics Corporation has also not been idle. Not only has it sent experts from the Ukrainian branch to the Aviation Development Corporation as consultants, but they have even personally stepped in to help the aviation industry.  The headquarter will solve the problem of matching parts and components.

    ¡°Russia Aerospace Power Corporation¡¯s euphemistic name is for the friendship of comrades and brothers.

    ¡°In fact, the Russian Aerospace Dynamics Corporation is retreating in order to advance. It plans to hide itself behind the scenes and make money by taking advantage of patents and key spare parts.

    So the Aviation Development Corporation has been working hard on the da-80 in recent years, especially the da-80t high-power gas turbine launched not long ago, with a maximum power of 25 megawatts, equivalent to 33,525 horsepower.

    Compared with the previous da-80, the power of da-80t has been increased by 15%, fuel consumption has been reduced by 20%, and maintainability and service life have been enhanced.

    Not only can it be used in a series of civilian fields such as energy pipeline transportation, power generation, and petrochemical industries; its two parallel-driven 8,000-ton guided missile destroyers have a super output of more than 30 knots and are also a good choice for marine gas turbines.

    It is itself a gas turbine project prepared to equip the next generation of battleships in the Soviet era. Coupled with the open supply chain in Russia and Ukraine, as well as the commendable efforts of the Aviation Development Corporation, the da-80t gas turbine has naturally attracted great attention from the navy.

    As long as it can achieve good performance in the second phase of the West-East Gas Transmission Project, the Navy's large-scale procurement is basically a high-probability event that is certain.

    Because of this, the Aviation Engineering Corporation, which is aware of the criticality of this bidding, attaches greater importance to it from top to bottom than China Tengfei. It not only wants to win more than 50% of the share of less than 10 MW, but also expects to obtain about 30% of the 20 MW share.  Contracts for watt-level high-power gas turbines.

    Why is it said to be expected rather than strived for?

    The reason is not simple. Just before the tender document was issued for the second phase of the West-East Gas Pipeline Project, the Aviation Development Corporation and GE had already met and discussed it.

    For the 20-megawatt high-power gas turbine level, the Aviation Engineering Corporation takes 30%; GE takes 50%; and the remaining 20% ??is left to Siemens and Mitsubishi to show the openness and internationalization of the entire project.

    As for China¡¯s take-off do they have gas turbines at the 20-megawatt level?

    You must know that China Tengfei has followed the independently innovative aero-derivative gas technology route. It is completely independent and insists on pure localization. However, they just obtained relatively mature industrial gas turbines below 10 MW ten years ago.

    How could it jump to the 20MW level in just ten years?

    You must know that the development cycle of a gas turbine will take at least 15 years. Even if China takes off without eating or drinking, it will not be able to complete this level of development in 10 years.

    Because of this, neither the Aviation Development Corporation nor GE regards China Ascendas as an opponent at the 20-megawatt level.

    This can be seen from the tender document for the second phase of the West-East Gas Pipeline Project. The tender document provided to China Tengfei was only for gas turbines of less than 10 MW, and there was no description of more than 20 MW.As for the navy, not to mention, it frequently visits the DA-80t gas turbine production line of the Aviation Development Corporation, but has a silent attitude towards China Ascendas Aviation Power Co., Ltd. (Group) Company.

    Of course, given the ambition of the Aviation Development Corporation, it actually wants to capture 50% of the share in the 20 MW level. However, the opponent is GE, which not only controls the technology and key supporting equipment of the Aviation Development Corporation's gas turbines below 10 MW  , the key is that the products ge came up with this time are so powerful that they have no friends.

    Its shortlisted ge-2800 gas turbine adopts a new technology called intercooling heat recovery cycle, that is, based on the traditional single-cycle gas turbine, an intercooling heat recovery cycle device is added, so that the high-heat airflow generated by the gas turbine is recirculated.  Recycle and promote the internal device to perform work twice, thereby improving the overall thermal efficiency of the ge-2800 gas turbine.

    According to ge, the comprehensive thermal efficiency of the ge-2800 gas turbine is as high as 36%, which is considered to be an extremely high level in the world today.

    We must know that the thermal efficiency of the early model of LM2500 equipped on the Type 052 guided missile destroyer is only 30%; the thermal efficiency of the da-80t upgraded by the Aviation Development Corporation with great efforts has gradually reached 33%.

    It can be said that the comprehensive thermal efficiency of the ge-2800 gas turbine can reach 36%, which is considered unattainable.

    However, this is not the only advantage of the ge-2800 gas turbine. Its most commendable feature is its fuel consumption, with a unit fuel consumption rate of only 227 kilograms per kilowatt hour.

    We must know that the fuel consumption of a medium-speed diesel engine with tens of thousands of horsepower is only 210 kilograms per kilowatt-hour. The ge-2800 gas turbine can achieve 227 kilograms per kilowatt-hour, which is very close to the fuel consumption of a diesel engine. The economical efficiency is not a bit better.  .

    ? Coupled with its excellent maintainability.

    In terms of fuel consumption, the da-80t of 240 kilograms per kilowatt-hour is obviously still far behind.

    With someone pinching the balls, the product's technical indicators in all aspects are so low-key. Even if the Aviation Development Corporation wants to take the center line seriously, it will be beaten to pieces. After all, their GE-2800 gas turbine is lighter.  , Winner, Stronger!

    Being able to obtain 30% of the share through private division is already a huge bargain. What else is there for the Aviation Development Corporation to be dissatisfied with?

    If you like Soar My Aviation Age, please collect it: Soar My Aviation Age is updated the fastest.  (Remember the website address: www.hlnovel.com
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