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Verto Prototype, Sunder Nursery Park, New Delhi

Project Brief
Verto is a multi-directional air purification system, designed using the principles of aerodynamics, to create a form that propagates maximum surface area, increased wind speed and 360-degree air purification.

The name Verto is derived from the word “turn”. The tower rotates as it rises and transforms the environment by turning polluted air into clean air. The triangular perforations are designed as a performance-driven system, with bigger openings at inlets and outlets. The air is sucked in from energy-efficient fans and then gets filtered using fine dust filters to remove the pollutants from the ambient air. An IOT control system enables the operation according to the demand.
The first Verto was inaugurated on the 26th of August 2022 in Sunder Nursery Park, New Delhi by Dr. Philip Ackermann, German Ambassador to India & Bhutan.

Design Development & CFD
Verto has been designed using the principles of aerodynamics, to create a form that propagates maximum surface area and increased wind speed for a robust and efficient performance. Simulation studies were conducted to attain minimum resistance and maximum surface area to achieve this optimum design. An elliptical geometry has been designed as the starting point, as this gave us the minimum resistance. The form was further developed by twisting the form, this twist in geometry channels the wind along the surface of the tower in the z direction, thereby exponentially increasing the surface area.
The rotation of the tower was further developed using CFD analysis to ensure that clean air is not getting mixed with unfiltered air being sucked at various levels.

A part of the CFD analysis was to ensure a 360-degree purification zone and a maximum output of clean air. The design of the tower consists of a triangulated component, to ensure ease of execution. Each component is tapered in to create a compression of wind and thereby further increasing the air being pushed in.

The perforation pattern is designed as a performance driven system with bigger openings at inlet and outlet areas. This Gradient of openings also give the design of Verto a stark helical move accentuated with the perforation pattern.

Air Purification Capability
VERTO can clean about 600,000 cubic meters of air per day, which is equivalent to an area twice the size of a cricket field with a height of 2 meters. The filtration tower is equipped with energy-efficient fans that suck in the ambient air. The air is then filtered using fine dust filters to remove fine dust particles (PM2.5, PM10) containing pollutants from the ambient air sucked in.

Additional Details
Based on plug and play design, Verto can be shipped in flat pack state and assembled on site with ease due this the modular nature of design. Verto is designed using GRC panels to ensure a long lasting and sustainable product.

A control system enables the operation of the filter columns to be adjusted according to demand and thus react to the current air quality. External sensors record air and weather data, which are collected and evaluated in a cloud. This technology has been available since 2018 and has been successfully implemented by German governmental institutions to tackle pollution levels on some of the most polluted traffic segments in rural areas to maintain the strict EU pollution levels.

Design & Execution: Studio Symbiosis Architects
Structural Consultant: Acecon
Contractor: VARE – Varunodya Prefab LLP
Filtration: Mann+Hu    mmel

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