Thursday, August 13, 2020

Beirut Port Blast: What lies ahead for Lebanon?

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Charvi Trivedi

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Beirut Port Blast: What lies ahead for Lebanon?

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Global Views 360

Publication Date

August 13, 2020

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The smoke of the Beirut explosion spread over the sky of Lebanon

The smoke of the Beirut explosion spread over the sky of Lebanon | Source: Mehrnews.com via Wikimedia

The year 2020 will be remembered as the year of disasters in the history of humankind. A devastating tragedy struck Beirut, the capital of Lebanon on August 4, 2020, in the form of a massive explosion which occurred in the port area and ripped a large part of the town .

As per initial estimate the death toll stands at 157 with more than 5000 people severely bruised and thousands displaced from their homes. The incredible force of the blast could be felt as far as Cyprus, which is at a distance of 250 kms from the explosion site.

A giant red cloud of smoke erupted in the clear skies followed by a deafening ‘bang’ and smashing of windows. "First we heard one sound. Seconds later there was a big explosion. All hell broke loose and I saw people thrown five or six metres" said Ibrahim Zoobi, who worked near the port. Satellite images show that warehouses and buildings within a radius of 2km from the site of the blast were completely destroyed, ending up in debris.

The intensity of the blast was equivalent to almost ‘2.2 kilotons of TNT’, according to an analyst and weapons expert. The aftermath included scenes of jam-packed hospitals, running without proper electricity connection, increased demand of blood donations and generators and agonized cries of people searching for their loved ones amongst the rubble filled roads.

Michel Aoun, the President of Lebanon | Source: Wikimedia

American President Donald Trump was quick to tweet about calling the blast a ‘terrible attack’. However, according to Michel Aoun, the President of Lebanon, the actual culprit of the blast was the 2,750 tonnes of fertilizer, ammonium nitrate, stored in one of the warehouses in the port area which caught fire. This explosive material was reportedly confiscated from a Russian cargo ship, back in 2014, when it made an uninformed stop at the Lebanese port.

Ammonium nitrate is a white substance used as a fertilizer as well as an explosive. It cannot explode on coming in contact with air but can detonate immediately as it encounters a flammable substance like oil or fire. Being an oxidiser, it will accelerate the severity of the explosion and also lead to release of toxic gases like nitrogen dioxide.

Boaz Hayoun, one of the top bomb experts of Israel, states “Before the big explosion, in the center of the fire, you can see sparks, you can hear sounds like popcorn and you can hear whistles”, which is a strong indication of fireworks. This might point towards seemingly inadequate warehouse management issues in Beirut, as such substances might have come across the explosive nitrates and instigated the blast. The safety protocols were simply not followed, despite being aware about the presence of a ‘ticking time bomb’ in the warehouse.

As Beirut is fighting the COVID-19 pandemic and a financial crisis, it was definitely not ready for another blow. Beirut’s grain storage tower, the largest in Lebanon, was also engulfed in the flames, hampering the entire country’s food security. "It's an economic crisis, a financial crisis, a political crisis, a health crisis, and now this horrible explosion” says Tamara Alrifai, spokesperson for the UN Relief and Works Agency for Palestine Refugees in the Near East (UNRWA).

France, the US, Italy, Turkey, Iran, EU, and OIC came up with the offer of help and show support for the people of Beirut.  Emmanuel Macron, the President of France, was the first foreign leader to visit the crisis-hit Beirut. While he consoled the citizens, their grief turned into anger as they chanted the word ‘Revolution’.

There is great anger among the citizens against the government, whom they accuse of being corrupt, sectarian, unaccountable, and out of touch with the common people. The intense protest by the people on the street forced the Prime Minister Hassan Diab to resign along with his cabinet on August 10, 2020.

The economic cost of the Beirut blast, where over 300,000 people have become homeless after their homes get destroyed, is estimated to be $15 Billion. Lebanon, which was already on the verge of economic collapse before this disaster struck, may find it impossible to withstand such a blow to the economy. It will need the support from the world over to rebuild Beirut.

A donor conference for rebuilding Beirut received a total pledge of about $300 million. Though it is a minuscule figure as compared to the destruction in Beirut, it will help to tide over the immediate humanitarian crisis. Apart from this Turkey has offered to help rebuild the port of Beirut and many countries are sending relief supplies.

The days ahead for the citizens of Beirut are going to be challenging as the country navigates the sectarian divide during the formation of a new government. It will be keenly watched by the citizens as well as the international community, whether Lebanon will discard its entrenched ruling elite and reject the toxic sectarian divide to elect an inclusive government or continue to perpetuate the misery on the common citizens.

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July 19, 2021 11:59 AM

3D Printing: The direction to go for the Indian Defense and Aerospace Industries

3D printing is the next big game-changer on the technological front, almost a revolution if you will. 3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by layering two-dimensional cross sections on top of one another. The two-dimensional cross sections are computer-designed and rendered, which makes it all the more advanced. From Aerospace to Defense and Medical to Automotive, products manufactured via 3D printing are spreading their reach in the markets quite swiftly. This article will take a look at how 3D printing is beneficial and how the technology can transform the Indian and Defense and Aerospace sectors once utilized to its full potential.

Additive manufacturing has the power to unlock a wide range of opportunities. It uses a 3D printer to create a layer-by-layer “addition” of material which is digitally constructed. Different types of materials which are currently being used for the same are metals, ceramics, special plastics, synthetic resins, and etc. 3D printing not only reduces the cost of production of various components but also gives the power to manufacture locally with design flexibility. The technology significantly speeds the process of designing; this is mainly because there is no requirement of tools. Traditional manufacturing usually takes months to either acquire necessary tools and further produce parts and components or import components from various places. However, once 3D printers are acquired, which they might be costly in themselves, they would ensure a smoother production process. Hence, due to the combination of localized manufacturing and no tools, tailor-made designs can be produced to match the necessities of various industries.  

https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/MakerBot_ThingOMatic_Bre_Pettis.jpg/220px-MakerBot_ThingOMatic_Bre_Pettis.jpg
Figure 2: A typical 3D printer. Source: Bre Pettis via Flickr

India is gradually growing with respect to its utilization of 3D printing technology. In 2014, the 3D printers market was at an early stage with just 200-500 combined workforce of engineers, designers and sales representatives. Currently, start-ups are springing up in places like Bangalore, Chennai, Mumbai, Visakhapatnam, etc and they are producing essential parts for sectors like the Indian Navy, Air Force, ISRO and the HAL.  India’s 3D printing market is projected to reach $79 million by the end of 2021, while the global market is at around $15.8 billion, which suggests that India has a lot of catching up to do.

Applications in the Aerospace and Defense Industry

The Aerospace and Defense Industries are keen to pursue additive manufacturing, mainly because of benefits such as weight reduction, cost cutting and to meet their highly specific requirements. The additive process uses less material to manufacture components and also ensures minimal waste of material. Overall reduced weightage means that less fuel would be used in aircrafts and hence result in better environmental compatibility. Let’s examine a few instances in India where 3D printing startups have assisted and provided the defense and aerospace sectors with unique solutions.

Recently, in 2020, the Centre-run defense company Hindustan Aeronautics Limited (HAL) had signed a MoU (Memorandum of Understanding) with Wipro 3D, the metal additive manufacturing branch of Wipro Infrastructure Engineering. The initiative would primarily focus on the design, development, testing, manufacturing, and repairing of aerospace components using metal additive technology. HAL is using 3D printing to manufacture engine components, although it also provides support to helicopter and rotary wing products. HAL also provides products to the Indian Army, Air Force, Navy, and Coast Guard. Speaking about this collaboration, Shekhar Shrivastava, CEO of the Bangalore division of HAL, said, “This initiative between HAL and Wipro 3D will create a unique synergy of capabilities that can accelerate the adoption of metal additive manufacturing in aerospace in India. Qualification of parts for aerospace is challenging as it would require prove out and extensive testing followed by certification by regulatory authorities which may also include flight testing."

Down south, Karnataka, which produces more than 65 percent of India’s aerospace-related components and exports, has taken a number of initiatives to promote additive manufacturing by setting up 3D printing clusters and sponsoring 3D printing startups. For example, through its flagship programme ‘Start Up Karnataka’, the State has given grants to ‘Deltasys E-Forming’, a Belgaum based start-up, to develop hybrid composite 3D printers. These initiatives are quite appropriate since two-thirds of India’s aircraft and helicopter manufacturing for the defense takes place in Karnataka, and 3D printing would revolutionize these processes quite rapidly.

On the other coast, Chennai-based 3D printing startup, Fabheads Automation, was established in 2015 by an ISRO engineer turned entrepreneur Dhinesh Kanagaraj. The deep tech startup designs and develops high-end carbon fibre helicopter blades for the Indian Air Force. Traditionally, carbon fibre parts are fabricated by laborious manual processes with a lot of fabrication time and money spent. Dhinesh also observed a lot of material wastage when he worked on carbon fibres at ISRO.  Based on this, Fabheads has designed an automated 3D printer series to eliminate material waste and also improve efficiency of production of carbon fibre. Sectors like the DRDO are currently approaching the company given these innovative methods of production.

3D Printing Saves the Day for the Indian Navy

Further, the Indian Navy has partnered with ‘think3D’, a Hyderabad-based 3D printing start-up, to produce spare components via additive manufacturing for both on and off-shore set-ups. The Indian Navy uses a lot of machinery on its ships which are imported from other countries and are quite old.  Whenever a component gets damaged, it is hard to replace it either because there is no availability of the part or because there is significant delay before a part is received. This often proved to be costly for the Navy since the machines would have to be kept idle before a spare part was replaced along with the fact that procurement of the parts was no less expensive.

This is where think3D had stepped in and supplied 3D printed parts to the Indian Navy, which were successfully tested and incorporated into its machinery. An example of such a 3D printed part, which proved to be of crucial help, is that of a centrifugal pump impeller- a key component for a ship’s operation.

https://3dprintingindustry.com/wp-content/uploads/2020/04/4.jpg
Figure 3: An original impeller (left) vs. a 3D printed impeller (right). Image source: think3D

The impeller is a rotating component and it is very important for a ship as it transfers energy from the motor to a fluid that needs to be pumped by accelerating the fluid outwards from the centre of rotation.  On ships, this component is used to import seawater into various parts of the ship for regular use of the crew. These impellers are required to rotate at high speeds for long durations and need to be very carefully designed. 3D printing was the best solution to replace these parts, given the speed of production and lower expenses.

Given all the benefits of 3D printing, it is high time for the Indian market to expand its 3D printing industry and utilize it to its full potential. There are many other instances like the one of the impeller in the Aerospace and Defense industries which can easily be solved using 3D printing.

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