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Sanofi @ Scilab Conference 2018

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Opticlim – HVAC(*) optimization
An industry ready solution co-developed with Sanofi
* Heating, Ventilation & Air Conditionning

Published in: Engineering
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Sanofi @ Scilab Conference 2018

  1. 1. 1www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com Opticlim – HVAC(*) optimization An industry ready solution co-developed with Sanofi Jean-Pierre Bovee NRJCut(*) Heating, Ventilation, Air Conditioning
  2. 2. 2www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution Energy spending distribution over pharma industry sanofi • Overall : 50% Electricity, 50% Gas • Motors : amounts to 70 – 80 % of electrical consumption • HVAC : 60 – 70 % of energy consumption • HVAC main technologies • heating, cooling, hydraulic distribution network, fans, motors, control systems, air filtration ... External source Along with a wide range of • Critical parameters ( T°C, %HR, Air Change, Pressure, …) • Pace of the work Energy Efficiency improvement and cost savings Opportunities for Pharmaceutical Industry
  3. 3. 3www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution Room design : Extracting fan Extraction Fresh Air Recyclage Mixing Supply Respectively Factors, Control actuators, Setpoints acting on HVAC Supply Automatic control - Temperature - Relative Humidity - Δ Pressure - Air change rate Size, tightness - Insudlation… Extraction (*) Heating, Ventilation, Air Climatisation Cooling Heating Humidification 3 AIR HANDLING UNIT (AHU) Exactly, what is HVAC? (*) ? As per regulation or process requirements: supplying an air flow meeting accurate requirements on Temperature, Relative Humidity, Air change rate, air purity, ...
  4. 4. 4www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com OPTICLIM: How and why it happened From findings to action Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution ● A wide range of factors drive the consumption of an Air Handling Unit ● Their influence is very diverse ● They powerfully interact as a non-linear system (40 + equations) ● As of the beginning of this decade there was no tool helping figuring out consumption = f(factors) and potential savings opportunities ● An energy manager was unable to decide how to build a strategy aimed at cutting the energy bill ● ⇒ URGENT need for a tool
  5. 5. 5www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com OPTICLIM: How and why it happened From findings to action Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution ● 2011: first draft built with Excel for testing the concept ● 2012: A validation phase, operated on real Air Handling Units ● 2013: A first deployment across a bunch of sites (Sanofi was counting 120 + sites at that time ○ quickly reaching the limit of such an Excel application (size > 200 Mo) ● 2014: decision to rebuild the application, this time based on Scilab ( Scilab dream team as main developper) ● 2015: decision to transfer the application to the cloud (thanks again to the Scilab team decisive support ). Application hosted by ESI. ● 2016: beginning of the worldwide deployment ● 2018: 52 connected sites (out of 73), 92 registred users. ● Decision to extend OPTICLIM utilisation outside Sanofi
  6. 6. 6www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com OPTICLIM: A FIRST ASSESSMENT Dramatically cutting demand ⇒ a guarantee of 2 digits savings Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution ● All sites found out that 2 digits savings are achievable ● A large majority of them started to modify their Air Handling Units ○ questioning, next changing setpoints whenever more favourable ■ Deadband on temperature and relative humidity ■ Air change rate ■ implementing at ECO mode out of working hours I’m Bill ● Modifying AHU technology: ○ enhancing temperature and relative humidity control modes ○ improving fluid networks efficiency ○ increasing motors, fans, gearing efficiency ○ as a result cutting investments for new chillers, transformers, boilers, ... Zero investment cost Stepwise investment costs with short paybackt
  7. 7. 7www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com OPTICLIM IN REAL and now, let’s head towards the Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution Cloud
  8. 8. 8www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com Potential energy savings with OPTICLIM The example of pharma industry Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution ● HVAC amounts to about 70% of energy costs ● Energy costs, for sake of emerging global warming threat increased by oils depletion ● Carbon tax will follow ● Most HVAC equipment presents a 2 digits potential savings, up to 50 % sometimes ● Most savings measures strengthen current quality standard
  9. 9. 9www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com OPTICLIM: Long term perspective A brilliant future ? Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution Air conditioning installations increases… As global warming speeds up... OPTICLIM one of the most efficient tools to break this vicious circle.
  10. 10. 10www.esi-group.com Copyright © ESI Group, 2018. All rights reserved.Copyright © ESI Group, 2018. All rights reserved. www.esi-group.com THANK YOU !!! Jean-Pierre Bovee NRJCut HVAC optimization An industry ready solution

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