COP26 Superpitch

Linear compressor could slash HVAC&R energy use

European tech business Magtor has formulated a linear compressor that could reduce strength use by 30 per cent and get rid of ability spikes on start off-up, making it a candidate to substitute traditional rotary-based technologies.

Determined as a key sustainable solution by the Photo voltaic Impulse Basis, and offered as a person of the “investment ready” cleantech ventures at the latest COP26 Superpitch party, the compressor is dependent on the Magtor electrical motor technology, which utilizes prolonged-distance magnetic attraction and repulsion to deliver linear electric power in both equally directions, with traits suited to pumping and compression specifications.

The motor is oil-free of charge, as effectively as staying scaled-down and lighter than reciprocating-piston centered technological innovation. In accordance to the company, it also has much less parts and less complexity, as well as shorter and more cost-effective creation and assembly strains.

HVAC&R Information asked Magtor co-founder and CTO Jeremy Hein about the new design.

Was the compressor made specially for the HVAC&R sector?

The heating and cooling marketplace was totally not in our sights when we commenced the Magtor task. We initially meant to provide a new type of “electromagnetic piston” changing electricity to linear mechanical movement by employing “long distance” magnetic appealing and repulsive forces in between parts that are usually aligned and struggling with every other.

It was when we required to check the Magtor motor that we arrived up with compression as a way to use a load on the motor although properly applying its essential properties. In truth, the drive profile delivered by Magtor correctly matches a compression prerequisite with the peak power currently being delivered at the finish of the stroke, exactly what is needed in the context of a piston shifting within a compression chamber.

At very low power amounts, the motor and compression side are tightly integrated, and we ended up applying the very same dimensions for the piston and compression chamber as those applied in a normal reciprocating compressor for fridges, even though immediately mounting valve kits from this sector. And, by connecting one set of these parts on the two sides of the Magtor motor, this resulted in a double-performing linear compressor: the Magtopressor.

This also pointed us to other added benefits of our technologies these kinds of as employing the exact electrical circuitry for starting up and running as very well as working with a one coil: no get started-up committed circuitry or switching mechanism, no commence-up electricity peaks, etcetera.

Is there a specific application that you imagine this compressor is very best suited to?

The core of our technological know-how is the linear electrical motor, which presents a new way to go the piston found in reciprocating-piston compressors and pumps and is, consequently, a making block to permit current technologies to decrease their electrical use.

It comes with the added advantage of delivering instantaneously the necessary electricity from start off-up, without the need of the need for more electrical electricity and without delay, contrary to “slow start” methods. This will make it specially suited to battery-backed or off-grid electric power systems.

We are presently focusing on compact electrical power applications specifically inside of the fields of air/h2o pumping, air compression and vapour-compression cycles for merchandise in the domestic and tiny business refrigeration, as nicely as smaller domestic air conditioning and heat pumps. We will be scaling up its energy capabilities over time to industrial concentrations.

How do you see this style reaching the market place – as a fall-in option or as a ingredient in new gear?

Effectively, below the market will offer a response. If we take into account a compressor as a black box acquiring inlet and exhaust pipes (and a person for charge/discharge), our intention is to produce Magtopressors delivering the exact interfaces that can function with the identical demand of refrigerant and beneath the identical tension requirements. There will be use instances in which it is worth upgrading current installations, but they will a lot more possible be included into new devices.

What has been the reaction from the marketplace so far?

Even though expected, we have up to now received two reverse responses from the industry. On the just one hand, the reaction from compressor companies has, to day, been a deafening silence. On the other hand, we are receiving many enquiries from producers keen to integrate Magtopressors into their items. This is primarily accurate within the professional refrigeration, the domestic air conditioning, and the heat pump sectors.

In addition, we also have a whole lot of traction from other industries that are customers of heating and cooling items and who are hunting for far more efficient answers: knowledge centres, the delivery sector, e-motor vehicles, aquaculture or hydroponic businesses, just to title a couple.

At last, we have also been contacted by companies and get started-ups operating on option technologies, but which are all designed on to present compressors that turn out not to be specifically properly tailored for their demands and, struggling with non-proactive suppliers, these firms are coming to us with extremely intriguing collaboration proposals. Listed here there are very promising synergies and remarkable systems that can be developed up into drastically much more economical solutions.

What was the reaction at the COP26 Superpitch party?

The COP26 Superpitch event was a wonderful opportunity to showcase our know-how and catch the attention of the world’s consideration. This was also a apparent demonstration that, supported by top rated companies and entrepreneurs, numerous systems presently exist and present authentic options to lower mankind’s environmental footprint and permit it to locate a equilibrium with its ecosystems.

Of training course, this was also a fund-boosting occasion and we manufactured great connections with potential traders and companions. We are however working with the subsequent circulation of enquiries and adhere to-ups.

What comes up coming?

As we are now actively doing the job on our future technology of linear compressors for vapour-compression cycles, we would welcome any responses or constructive criticism. Really don’t be reluctant to get in contact with us.

These intrigued can make contact with Magtor by means of, through the company’s Linkedin site, or by using e-mail.

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Good vibrations for cooling data centres

Glasgow-centered Katrick Technologies hopes to revolutionise cooling electrical power consumption in facts centres with a vibrations-based heat-removing process.

As the knowledge proliferates in our more and more digitised entire world, the electrical power requires of details centres are climbing. Character journal has predicted that by 2030, details centres will be dependable for more than 8,000TWh of usage throughout the world, a great deal of it consumed by cooling.

Attempts have previously been set into lowering the load, for case in point by locating facts centres in cold climates (for “free” cooling) or even underwater, or by working with AI to optimise air conditioning methods. Katrick Technologies has taken a diverse technique, generating a patented thermal vibrational bell (TVB) warmth engine to preserve minimal temperatures.

The TVB consists of a chamber filled with bi-fluids with different densities and thermal properties that grow at different premiums. A warmth supply moving into the TVB’s chamber – a scorching pipe attached to an interior coil/heating ingredient – creates a dynamic movement among the fluids, converting thermal strength from squander warmth into fluid vibrations.

An array of protruding inside and external fins in the TVB captures the fluid vibrations as a result of a blend of outcomes. These include bubble velocity, variable expansion of fluids divergent density adjust (thanks to fluid conversation creating hydrostatic instability) and convection currents by way of the interaction of the fluids with variable temperatures.

Energy captured by the fins is transferred into mechanical vibrations, with the resultant result remaining an oscillation of fins to passively dissipate the undesirable heat. This movement enables the procedure to present the demanded neat surroundings to retain facts centres servers operating effectively.

According to the organization, the passive system could decrease cooling electricity in a British isles facts centre by 70 per cent, and lower in general electricity costs by 25 per cent.

The company has recognized a commercial partnership to put in the prototype passive cooling know-how at iomart’s Glasgow knowledge centre. It will substitute two onsite condensers.

The innovation is being presented at the COP26 Superpitch, slated for November 9 (British isles time). Organised by sustainable financial investment agency Greenbackers, the event will showcase 26 financial commitment-all set cleantech ventures thought of able of transferring the needle on local weather modify. This will coincide with a 50 %-working day session at COP26 focused to discovering science and innovation that can limit the world-wide temperature rise to 1.5°C.

To go through more about the COP26 Superpitch, click right here.

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