China – Page 21 – Air Marshal's Perspective

October 22, 2024

523: CHINA: CHALLENGES IN DEVELOPING NEXT-GENERATION FIGHTER ENGINES

My Article published on The EurasionTimes Website on 22 Oct 24.

China’s defence policies underscore its commitment to self-reliance and the relentless pursuit of advanced technology development, aiming to reduce dependence on foreign sources. The country’s defence industry, a critical component of its national strategy, stands as one of the largest and most advanced in the world. It is a testament to China’s significant investments in military modernisation and technological innovation, bolstering military readiness and asserting its global influence. The roots of China’s defence industry can be traced back to the 1950s, following the establishment of the People’s Republic of China. Over the decades, it has evolved from focusing on basic weaponry to a more sophisticated and diversified military production capability, with a strong emphasis on advanced technology. The industry is primarily state-owned and heavily regulated by the Chinese government.

Defence Aviation Industry. The military aviation sector is part of China’s broader defence industry and is critical for the People’s Liberation Army Air Force (PLAAF). China’s military aviation industry has rapidly evolved over the past few decades, reflecting its growing emphasis on modernising its armed forces and enhancing its defence capabilities. The industry focuses on producing a range of military aircraft, including fighter jets, transport planes, helicopters, and unmanned aerial vehicles (UAVs). The Chinese military has undertaken extensive modernisation efforts, including developing advanced fighter jets (Chengdu J-20 and J-31, fifth-generation stealth fighters). However, China faces several challenges in developing advanced fighter aircraft engines, which are critical for enhancing the capabilities of its military aviation.

Aero Engine Corporation of China. The Aero Engine Corporation of China (AECC) is a Chinese state-owned enterprise focused on developing, manufacturing, and servicing aircraft engines. It was officially established in August 2016 in response to China’s growing need to develop its indigenous aero-engine technology for military and civilian aircraft. The company merged parts of AVIC (Aviation Industry Corporation of China) and other related entities to consolidate China’s aerospace engine research, development, and production capabilities. Developing advanced Indigenous engines is a strategic priority for China, both for the defence sector and the expanding commercial aviation industry (e.g., China’s domestically developed C919 airliner). AECC aims to reduce China’s reliance on foreign engine manufacturers and to enhance China’s aerospace capabilities, especially in the context of its military modernisation and commercial aviation expansion.

Current State of Development. Historically, China has relied on foreign-sourced engines, and AECC is central to the effort to change that. AECC is focused on developing turbofan and turboprop engines for military jets, such as the WS-10 series (for fighter aircraft) and the WS-15 (for China’s next-generation stealth fighter). It is also developing high-bypass turbofan engines for commercial aircraft, aiming to rival global engine makers General Electric and Rolls-Royce.

- WS-10 “Taihang” Engine. The 13-14 ton thrust WS-10, a product of several years of dedicated development, represents China’s first successful attempt at producing a modern turbofan engine for its advanced fighters. This achievement, intended for use in the J-10 and J-11 fighter jets, is a testament to China’s progress in engine development. While early versions faced reliability issues, newer variants, such as the WS-10B and WS-10C, have reportedly improved significantly in thrust and performance, instilling optimism about China’s future in aviation technology.

- WS-13 “Tianshan” Engine. A turbofan engine (8.5-9 ton thrust), primarily designed for the FC-1/JF-17 fighter, a joint Chinese-Pakistani light fighter aircraft. The WS-13 is a lighter engine designed for smaller fighters and is an alternative to the Russian-made RD-93 engine used in earlier JF-17 models.

- The WS-15 “Emei” Engine. A next-generation turbofan engine with an estimated 18 tons of thrust is a significant milestone in China’s fighter engine development. Designed to power the J-20 stealth fighter jet, the WS-15 is strategically important as it aims to provide the thrust and performance required for fifth-generation fighter jets, particularly for China’s J-20 stealth fighter. Its potential to achieve super cruise capability (sustained supersonic flight without afterburners) underscores the strategic implications of China’s advancements in fighter engine development. Despite facing delays and challenges in achieving the desired performance standards, the WS-15 represents a promising future for China’s military aviation capabilities (Timelines for the development of this engine are attached).

- WS-18. It is a high-thrust turbofan engine for heavy transport aircraft like the Y-20 and may be used in future bomber or tanker aircraft. The WS-18 is intended to replace foreign engines in China’s large transport aircraft, such as the Y-20, which initially relied on Russian D-30KP engines.

- WS-20 Engine. A high bypass turbofan engine designed for the Y-20 transport aircraft, the WS-20 represents another step in China’s efforts to enhance its engine technology and reduce reliance on imports.

China’s Challenges in Fighter Aircraft Engine Development. The complex process of developing reliable, high-performance aero engines presents a significant challenge for AECC. Multifaceted challenges encompassing technological, material, and geopolitical factors hinder China’s quest to catch up with global leaders in engine technology. While the country has made notable strides in recent years, overcoming these challenges is crucial for enhancing its military aviation capabilities and achieving greater self-sufficiency in defence technology.

- Technological Challenges. Developing advanced jet engines involves advanced knowledge and complex engineering challenges, including materials science, aerodynamics, and thermodynamics. Achieving high thrust-to-weight ratios, fuel efficiency, and durability while maintaining stealth capabilities requires innovative design solutions, advanced materials, and cutting-edge technology that has taken years to develop.

- Material Limitations. Engine components must withstand extreme temperatures and stresses. Developing high-performance materials that can endure these conditions is crucial. China needs to catch up in producing advanced alloys and composite materials required for next-generation engines. Advanced manufacturing methods, such as precision casting and 3D printing, are essential for creating complex engine parts. While China has progressed in this area, ensuring quality control remains challenging.

- Reliability and Quality. Rigorous testing and quality assurance are vital to ensuring engine reliability. Despite advancements, Chinese engines have struggled with quality and reliability issues compared to their Western counterparts. Early versions of domestically produced engines, like the WS-10, experienced reliability issues that needed to be addressed through ongoing refinements and improvements. There have been concerns about durability and performance under extreme conditions.

- Research and Development Challenges. Building a skilled workforce with expertise in aerospace engineering and related fields is critical. While China has many engineering graduates, there is a need for more specialised training and experience in aerospace propulsion systems. Although the Chinese government has significantly increased investments in aerospace R&D, various sectors still compete for resources. Prioritising engine development over other military technologies can be a challenge.

- Dependency on Foreign Technology. Historically, China has relied on foreign technology and imports for advanced aircraft engines and critical engine components, especially from Russia. This dependency has limited China’s ability to develop fully indigenous capabilities in this crucial area. For instance, China’s early fighter jets, such as the J-11, used Russian engines (AL-31F), which affected operational independence. While efforts are underway to develop indigenous capabilities, breaking this dependency takes time. Attempts to acquire foreign technology through partnerships and joint ventures have often faced political hurdles, leading to limited access to advanced engine technologies.

- Geopolitical Pressures. Geopolitical tensions, particularly with Western nations, lead to sanctions that limit China’s access to advanced aerospace technologies. This slows down development and innovation in the aviation sector. Competing with established aerospace powerhouses like the United States and Russia, which have decades of experience and technological advancements in engine development, poses another significant challenge.

- Intellectual Property Concerns. Efforts to reverse-engineer foreign engines have raised intellectual property issues, leading to tensions with countries that view these actions as unfair competition.

Present Status. China has been making significant strides in developing indigenous fighter aircraft engines. The country aims to reduce its reliance on foreign-made engines, mainly from Russia, and to enhance its domestic military aviation capabilities. China’s fighter aircraft engine development has advanced significantly in recent years, reflecting the country’s growing ambitions in military aviation. Chinese engineers have made strides in materials science, advanced manufacturing techniques, and thrust vectoring technology, enhancing engine performance and reliability. China has sought to acquire foreign technology to bolster its capabilities. Collaborations with countries like Russia have facilitated knowledge transfer, especially in engine design and testing.

Future Prospects. China is likely to increase its investment in R&D to improve its engine technology further. The goal is to achieve greater self-sufficiency and enhance the performance of its fighter aircraft. The exploration of next-generation technologies, including AI-driven engine management systems, adaptive cycle engines, and environmentally sustainable fuels, could shape the future of Chinese military aviation. Developing advanced fighter aircraft engines is crucial for China’s military modernisation efforts. As tensions rise in the Asia-Pacific region, the ability to produce competitive engines will play a vital role in enhancing China’s defence capabilities.

Strategic Implications. China’s struggles with fighter aircraft engine development have strategic implications, particularly in its military modernisation efforts and aspirations to become a global aerospace leader. Achieving self-sufficiency in engine technology is crucial for ensuring operational independence and enhancing the capabilities of its air force. Continued efforts in this area will be essential for China to strengthen its military aviation capabilities and achieve its broader defence objectives.

Conclusion. China’s fighter aircraft engine development is critical to its broader military modernisation strategy. While significant progress has been made, ongoing challenges remain. The emphasis on indigenous production, technological innovation, and strategic partnerships will be essential for China to enhance its position in the global military aviation landscape. As the situation evolves, monitoring these developments will be crucial for understanding the implications for regional and global security dynamics.

Timeline of WS-15 Engine development.

Estimates vary on when WS-15 development began.

1990: Preliminary steps initiated.

2005: The blueprint for the WS-15 began to materialise

2006: A preliminary image of the WS-15 engine emerged five years before the J-20 prototype was unveiled.

2010: The first WS-15 prototypes entered the ground testing phase

2012: The full-scale demonstration project was completed , and extensive trials followed.

2013: The WS-15 development program started achieving significant milestones.

July 2018: The Chinese academic overseeing aviation engine R&D in Beijing, Liu Daxiang, announced that WS-15 development was progressing rapidly and would be fully completed within three years.

2019: The Russian AL-31 powering the J-20 was replaced by the domestic WS-10C engine.

2021: the WS-15 was nearing operational readiness.

2022: One WS-15 engine was flown on the jet along with another older version of the engine for testing purposes.

March 2023: The WS-15 engine achieved full operational capability. WS-15 project Chief Chang Young at the AECC Beijing Institute of Aeronautical Materials announced at the 7th Chinese Aviation Innovation and Entrepreneurship Competition (CAIEC) that the WS-15 engine is now ready for mass production.

29th June 2023: Chengdu Aircraft Corporation (CAC) conducted the maiden flight of the new variant J-20 fighter, fitted with two WS-15 turbofan engines.

As of late August 2024, the Chinese WS-15 engine reportedly encounters several significant hurdles impacting its deployment and operational efficiency. One major issue involves supply chain disruptions related to the advanced alloys needed for the engine’s production.

Link to the Article

https://www.eurasiantimes.com/chinas-struggle-with-aero-engines-keep/

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References and credits

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References:-

Adnan Moussa, “China’s WS-15. Does it challenge US dominance over fighter jet engine tech?” aljundi.ae, 01 Dec 23.

Reuben Johnson, “China’s J-20 fighter seems to have a new homegrown engine, after years of struggle”, Air Warfare Global, 18 July 2023.

Boyko Nikolov, “F-22 rival Chinese J-20 may have overcome engine setbacks”, Bulgarianmilitary.com, 10 Sep 2024.

Alexander Holderness, Nicholas Velazquez, Jasmine Phillips, Gregory Sanders, and Cynthia Cook, “Powering Proliferation: The Global Engine Market and China’s Indigenisation” Brief CSIS, 21 Mar 2023.

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Information and data included in the blog are for educational & non-commercial purposes only and have been carefully adapted, excerpted, or edited from reliable and accurate sources. All copyrighted material belongs to respective owners and is provided only for wider dissemination.

October 17, 2024October 19, 2024

522: Podcast with Gaurav Arya

Had a very enriching chat with Gaurav Arya on a crucial topic.

We talked about:-

Inter-service Coordination.

PLAAF Vis-a-vis USAF

PLAAF Vis-a-vis IAF

China’s fifth generation aircraft.

Fifth gen ac comparison.

Stealth Technology.

IAF authorised fighter aircraft strength.

IAF capability Building.

Minimum Deterrence level.

Loyal wing man concept

Generations of fighter aircraft.

China and Pakistan: export of fifth gen ac.

Atmanirbharta.

Draw down mitigation plan.

Defence production echo system.

Balanced capability enhancement.

Procurement from USA vs Russia.

Possibility of F 35 Procurement.

& many more aspects related to capability building

Click on the link to check it out:-

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August 30, 2024September 30, 2024

504: HELLSCAPE VS DRAGONSCAPE: BATTLE OF AUTONOMOUS MACHINES

My Article published on the Newsanalytics Journal

China’s rise as a global power is multifaceted, encompassing economic growth, technological advancements, military modernisation, and increasing geopolitical influence. However, in some ways, the Chinese seem to be in a medieval thought process. Their aspirations are guided by the principle that “a strong empire expands and a weaker empire shrinks”. China’s expansionist strategies are driven by securing its national interests, asserting its status as a global power, and reshaping the international order, favouring its long-term strategic goals. These efforts, however, lead to tensions and pushback from other nations, contributing to a complex and often contentious international environment.

One China Policy. The “One China Policy” is a cornerstone of diplomatic relations between China and other countries. It asserts that there is only one China, and Taiwan is an inseparable part of it. This policy is crucial to understanding China’s foreign relations, particularly with the United States and other Western countries. Beijing regards Taiwan as part of China to be reunited at any cost. Taiwan has developed a distinct identity with a democratic political system, vibrant civil society, and robust economy, differing significantly from mainland China. Taiwan seeks peaceful relations with mainland China but resists unification under the terms proposed by Beijing. Many Taiwanese prefer maintaining the status quo rather than pursuing formal independence or unification. The One China Policy is a sensitive issue in U.S.-China relations. The U.S. acknowledges the One China Policy but maintains ties with Taiwan through the Taiwan Relations Act (1979), allowing commercial, cultural, and other exchanges. The US is the island’s biggest supplier of arms. In recent years, tensions have escalated due to factors such as the PRC’s military activities near Taiwan, increased U.S. support for Taiwan, and Taiwan’s efforts to gain greater international recognition.

Unification Plans. China is increasingly getting ready for the unification of Taiwan. It is reported that Beijing has increased its defence budget in recent years and is the second highest behind the US. China is building its military and nuclear arsenal at a rapid pace. PLA has commissioned over 400 new fighter jets and 20 warships in the last few years and doubled its ballistic and cruise missile inventory. China is also building a fourth amphibious landing craft. Xi has called for China to build a “world-class military” by 2027 when the PLA marks 100 years since its founding. These signs suggest the country is sticking to its ambitions of reuniting the self-ruled island with China “by force if necessary.”

Salami Slicing and Cabbage Strategy. China believes in Sun Tzu’s philosophy of subduing the enemy without fighting. It prefers salami-slicing rather than overt aggression, i.e., gaining strategic advantage through a steady progression of small actions. It limits adversaries’ options by baffling their plans and making it problematic for them to develop a response. Beijing will continue to apply military and economic pressure and public messaging and influence activities while promoting long-term cross-strait economic and social integration to induce Taiwan to move toward unification. PLA also uses the “cabbage strategy” to seize control of islands. This strategy involves surrounding and wrapping the island in successive layers of Chinese naval ships, China Coast Guard ships, and fishing boats and cutting off the island from outside support.

Grey Zone Activities. Beijing’s recent military and ‘grey-zone’ manoeuvres near Taiwan have raised the spectre of a potential conflict. These actions include repeated war games, simulations, combat training, aerial and sea incursions, and encirclement of the island nation. The Chinese forces have conducted military drills around Taiwan and claim that they can impose and maintain a blockade on an island using different types of drones. At the same time, the warships and submarines prowled the surrounding waters. The Chinese actions prompted the USA to announce its new strategy dubbed “Hellscape.”

US Hellscape Strategy. The strategy assumes that China, learning from the Russian stalemate in the Ukraine war, will launch a mass drone and missile attack to overwhelm Taiwan with little warning. In this scenario, when the Chinese invasion fleet moves out from its ports to sail towards Taiwan to cross the 100-mile (160-kilometre) wide Taiwan Straits, the US military will flood the waterway with thousands of swarm unmanned underwater and surface vessels, apart from kamikaze drones and loitering munitions. The intention is to turn the Taiwan Strait into an unmanned hellscape, making the life of the invading Chinese fleet miserable, to harass, distract, and delay them, creating a barrier and buying crucial time for the U.S. and its allies to respond. The recent Ukrainian strategy inspires this strategy, but the US will use a lot of artificial intelligence and machine learning to detect, identify, and harass the Chinese ships crossing the straits. The US plans to deploy many cheap, unmanned drones across multiple domains—air, sea, and land. The drones are designed to function autonomously, even in environments with limited or disrupted communications, and succeed independently on the battlefield. The idea is to counter China’s advantage of mass (i.e., ships, missiles, and drones) with smarter mass, creating an asymmetric advantage.

Replicator Programme. The US has already started to work on its hellscape strategy plan. The US Department of Defense (DoD) has given a billion dollars to a program called “Replicator.” This program will build swarms of thousands of UUVs, USVs, and loitering munitions within the next two years. These cost-effective, dependable drones would be produced close to the battlefield at a fraction of the cost of traditional weapons systems. The targeting data across the theatre is also being integrated through the Assault Breaker II programme of the Defence Advanced Research Projects Agency (DARPA).

The strategy of Mass vs Smarter Mass. The United States military strategy often incorporates overwhelming force (mass) and advanced technology, which can create a “hellscape” for adversaries. This approach leverages the U.S.’s technological edge and substantial military resources to achieve rapid and decisive victories in conflicts. In this case, China is no pushover and has comparable technological prowess. The success of their respective strategies would depend on technologically advanced autonomous platforms. It is bound to create an arms race between the two camps. The strategy’s success also relies on the speed of subsequent response by the US and its allies.

Ramifications. Taiwan is in a crucial geopolitical location in East Asia, making it a significant point of interest for regional and global powers. The USA’s Hellscape strategy and the Chinese plan to counter it have stimulated a “war of words” with a highly contentious and hostile exchange of rhetoric and aggressive, inflammatory, and vitriolic language. A potential war over Taiwan would indeed be complex and potentially catastrophic, with far-reaching consequences for the involved parties and the world.

- The People’s Liberation Army (PLA) is one of the world’s largest and rapidly modernising militaries. A conflict involving China would likely involve advanced weaponry, cyber warfare, and significant military assets. Taiwan has a well-equipped and highly motivated military, with substantial investments in defence technologies and support from allies like the United States. The U.S. has a longstanding commitment to Taiwan’s defence through the Taiwan Relations Act. Any conflict would likely draw in U.S. military forces and other regional allies, escalating the situation.

- Taiwan is a major global technology and manufacturing player, particularly in semiconductors. A conflict could disrupt international supply chains and have severe economic repercussions worldwide. The economies of East Asia are highly interconnected, and a war could destabilise the entire region.

- Both sides will likely engage in cyber warfare, targeting critical infrastructure, communication networks, and financial systems, which could have widespread and long-lasting effects.

- While less likely, any escalation involving nuclear-armed states like the United States and China carries the risk of a nuclear confrontation, which would have devastating consequences.

Suggestions and value additions are most welcome.

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References and credits

To all the online sites and channels.

Swarajya Staff, “Can China Counter United States’ ‘Hellscape’ Plan When Invading Taiwan?” Swarajya website, 13 Jun 2024.

FP Staff, ”What is the ‘Hellscape’ strategy the US is planning to use on China if it invades Taiwan?” First Post website, 11 Jun 2024.

Keoni Everington, “US plans ‘hellscape’ of drones if China invades Taiwan”, Taiwan News website, 11 Jun 2024.

John Grady, “‘Hellscape’ Swarms Could Be as Cost Effective Taiwan Defense”, USNI News, 02 July 2024.

Joe Saballa, “China ‘on Track’ for Potential Taiwan Invasion by 2027”, The Defence Post website, 22 Mar 2024.

Jesse Johnson, “China on track to be ready to invade Taiwan by 2027,” The Japan Times website, 21 March 2024.

Abhinav Singh, “China plans to use drones to blockade Taiwan after the US unveils ‘Hellscape’ strategy”, Wion website, 07 Jul 2024.

Ujjwal Shrotryia, “US Has A Nasty Surprise For China If It Tries To Invade Taiwan — Hellscape”, Swarajya website, 11 Jun 24.

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