Afrin Hewitt

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Hydrogen refuelling based on bladder accumulator-based compression

climate change Featured

Hydrogen refuelling based on bladder accumulator-based compression

Hydrogen refueling stations play a crucial role in enabling the widespread adoption of hydrogen-fuelled vehicles as a clean and sustainable transportation option. The refueling process at these stations involves a series of carefully orchestrated steps to ensure the safe and efficient transfer of hydrogen from the station to the vehicle.

The climate impacts of hydrogen emission

climate change Featured

The climate impacts of hydrogen emission

The increasing importance of hydrogen as a "clean" fuel in facilitating the shift towards a decarbonized energy system is being widely recognized. To address the pressing need for decarbonization, governments and industries are rapidly pushing for the expansion of hydrogen technologies, infrastructure, and applications, with massive national incentives

The Hydrogen myths

The Hydrogen myths

Hydrogen, with its potential as a clean and versatile energy carrier, has captured the imagination of many as a key solution for a sustainable future. However, amidst the optimism and excitement surrounding hydrogen, there are also lingering myths and misconceptions that persist. One of these is the belief that hydrogen

Working principle of a HRS

Hydrogen Featured

Working principle of a HRS

When refuelling hydrogen from a hydrogen refuelling station there are a set of processes taking place between a hydrogen refuelling station (HRS) and the vehicle being refuelled. Process 1: The hydrogen is delivered to the hydrogen refuelling station and gets stored in the primary hydrogen storage. Process 2: The stored

The HRS infrastructure

Hydrogen Featured

The HRS infrastructure

Just like current petroleum refuelling stations that currently keep the transportation sector active, Hydrogen Refuelling Station (HRS) also plays a major role in the emission-free transport of the future. Hydrogen refuelling stations are also an important part of the future hydrogen industry and a successful hydrogen supply chain. The important

The hydrogen colour spectrum - based on its production methods

The hydrogen colour spectrum - based on its production methods

Although hydrogen gas is colourless, it has been labeled under different colours based on the method and the energy source used for its production. * Green hydrogen - Hydrogen produced from the splitting of water using renewable sources of energy. * Blue hydrogen - Hydrogen produced by reforming methane or natural gas

NASA’s Integrated Refrigeration and Storage system (IRaS) for cryogenic hydrogen

Engineering Featured

NASA’s Integrated Refrigeration and Storage system (IRaS) for cryogenic hydrogen

Hydrogen as a fuel is rapidly gaining attraction all around the globe as an alternative to carbon-based fuels. One of the major challenges in using hydrogen is its lower volumetric density making it harder to store and transport it under ambient conditions. One of the most promising and mature solutions

Hydrogen as a sustainable solution to green steel making

Hydrogen as a sustainable solution to green steel making

On average globally, for every tonne of steel produced 1.9 tonnes of CO2 are being emitted, accounting for about 5% of the global CO2 emissions. Apart from these 2.8 million tonnes of CO2 is being emitted through the energy used in the iron and steel industry. This has

Hydrogen as a sustainable solution to gas flaring

Hydrogen as a sustainable solution to gas flaring

Hydrogen is seen all over the globe as a sustainable solution to tackling climate change, clean manufacturing, and transport. Apart from this long-term goal hydrogen is also seen as a solution to reducing flaring gas emissions which has turned into the biggest threat to climate change globally. This article gives

Electrochemical Hydrogen Compression

Hydrogen Featured

Electrochemical Hydrogen Compression

It is well known that hydrogen has the largest energy density in terms of mass and the least energy density in terms of volume, which means burning 1 kg of hydrogen releases more energy compared to 1kg of diesel but burning 1m3 of hydrogen will releases very small energy compared

Ammonia as a hydrogen carrier

Ammonia as a hydrogen carrier

When the entire world agreed together in fighting climate change with the signing of the Paris agreement, the International Maritime Organisation (IMO) also made strict regulations on the reduction of PM, SOx, and NOx emissions. The IMO has hence decided to reduce the emission of greenhouse gases by 50% compared

Challenges of Re-Electrifying Hydrogen in Gas Turbines

Challenges of Re-Electrifying Hydrogen in Gas Turbines

Although hydrogen seems as a promising fuel for gas turbines, it always comes with it's own challenges. These challenges are primarily technological and hence can be solved. These challenges can be mainly classified into two categories: technical challenges and market challenges. Market Challenges Though technical challenges are more

Photoelectrocatalysis

Hydrogen Featured

Photoelectrocatalysis

When it comes to the conversion of solar to chemical energy the only process that comes to our mind is photosynthesis. Photosynthesis is the process by which plants convert sunlight to various chemicals in the presence of a pigment called chlorophyll. Similarly, we can convert solar energy directly to chemical

Is hydrogen an energy source or an energy carrier?

Is hydrogen an energy source or an energy carrier?

Hydrogen has been known for centuries now, but the one question that's always confusing is if hydrogen is an energy source or an energy carrier. As straight answer hydrogen is both an energy carrier and an energy source. More precisely hydrogen is a primary energy source and a

Prospects of Re-Electrifying Hydrogen in Gas Turbines

Hydrogen Featured

Prospects of Re-Electrifying Hydrogen in Gas Turbines

Global warming has increased the demand for a carbon-free economy which has led humanity in a rush to find alternatives for fossil fuels that are both equally efficient and affordable. As a result, high interest is being shown in developing high-end technologies that enable power generation from solar and wind

Gas Turbile - Fundamentals

Gas Turbile - Fundamentals

Gas turbines have been in operation for decades now, and their evolution over the years has made it possible for the electrical efficiencies of the combined cycle power plant to reach around 60%. Today, gas turbines are more advanced than in the past and are more flexible, and offer many

Hydrogen Featured

Plasmalysis

Plasmalysis or plasma electrolysis simply refers to the production of hydrogen using plasma. During plasmalysis the plasma produced in the plasmalyser breaks the strong bond between hydrogen and its compounds thereby releasing hydrogen. In this way, hydrogen can be easily produced with less energy consumption compared to the splitting of

Re-Electrification Of Hydrogen:-Why? and How?

Hydrogen Featured

Re-Electrification Of Hydrogen:-Why? and How?

Due to heavy restrictions on the emission of greenhouse gases by governments, solar and wind would play a significant role in power production in the near future, contributing to about 60% of power production by the year 2050. When wind and solar play a major role in renewable energy systems,

Can you decarbonize 'Thomas & Friends?'

Hydrogen Featured

Can you decarbonize 'Thomas & Friends?'

Decarbonization refers to the process of reducing man-made carbon dioxide emissions from the environment. CO2 is a greenhouse gas and when released into the atmosphere in large quantities leads to global warming which then triggers a lot of environmental hazards. What does this mean to the steam locomotive (Thomas&

Can space be the next medium of transport?

Hydrogen Featured

Can space be the next medium of transport?

Transportation has played an important role in the development of human civilization ever since the wheel was invented. Today there are three common modes of transport, land, water, and air. What if we could explore another well-known medium for commercial transportation in the future? Or at least for transportation of

Can you fly with hydrogen?

Hydrogen Featured

Can you fly with hydrogen?

The straight answer to this question is yes, you can fly using hydrogen. But why should we do this? It is because of the carbon dioxide released during the transport through the air. Commercial aviation is one of the major contributors to the rise in global temperature and was seen

Why emission-free transport would not be the best idea?

Why emission-free transport would not be the best idea?

In search to find alternatives to the reduction of emissions from the Internal Combustion Engines in the field of transportation, companies came up with the following alternatives. * BEV-Battery Electric Vehicle or Electric Vehicle (EV). * HEV-Hybrid Electric Vehicle. * PHEV-Plugin Hybrid Electric Vehicle. * EREV-Extended Range Electric Vehicle. * FCEV-Fuel Cell Electric Vehicle. Out

Hydrogen Featured

Why Hydrogen?

Hydrogen is considered a secondary source of energy. Though available everywhere,hydrogen is only present in compound form. So, for hydrogen to be separated in the pure form, a tremendous amount of energy is required. This energy could be from a renewable source or a non-renewable source. 90% of the

Hydrogen Fundamentals

Hydrogen Featured

Hydrogen Fundamentals

With global warming like never seen before and climate change joining hands, technological developments have become crucial to achieving decarbonization. On the other hand, our principal fossil energy sources are expiring, so there has been an increasing demand, and humanity is forced towards renewable energy sources. Though the primary source

That Day-Life of Lin

Life of Lin Featured

That Day-Life of Lin

That day as usual Lin took his bicycle and headed to work. It was so freezing and lin had already passed a few meters when he realised he had left his winter gloves at home. “Why is it so freezing today?” asked himself and took his Handy out to check