Adsorption cooling
The Illustrated Guide to Renewable Technologies BG 1/2008, By Kevin Pennycook, published by BSRIA in March 2008, states: ‘Adsorption chillers, like absorption chillers, are driven by an external heat source; however they have the advantage that the required input temperature is between 60oC and 95oC. This means that relatively low cost flat-plate solar collectors can be used to provide the heat source to drive the refrigerant process. An adsorption chiller consists of a pressure vessel divided into four chambers. These are the evaporator (lower chamber), the generator/receiver (second and third chambers) and the condenser (top chamber). The generator and receiver are linked by valves which automatically open depending on the pressure differences within the chiller. Adsorption chillers use water as the cooling medium and silica gel as the adsorbent. At low pressures, water vapourises at low temperatures. Silica gel can bond large amounts of water without loss, reversibly (and without increasing in volume), releasing the water again when heat is applied.’
--BSRIA
[edit] Related articles on Designing Buildings
Featured articles and news
Not buildings. Happy holiday from DB.
Future Homes Standard: Industry calls for more ambition
As the Government FHS consultation finally closes.
Improving government projects with data and AI
Enabling better outcomes, efficient modern delivery and influential leadership on government projects.
BSRIA Living Laboratory Innovation Challenge
Final days for submission, closing March 29.
Windows, their frames, forms, factors and functions.
The hidden subtleties of U-Value calculations
Different contexts and what to include as variables.
A brief run down with related articles.
Electrical sector calls for safer public EV charge points
Serious concerns about electrical safety in the public domain.
Building Blocks manifesto presented to parliament
Architects Declare call in for support of five critical policies.
The four elements of project management with APM
Analysis, expectations, collaborative communication and partnerships.
City of London launches Heritage Building Retrofit Toolkit
Empowering owners to initiate necessary adaptations.
Guidance on RAAC in listed buildings
Published by Purcell, endorsed by IHBC, SPAB and C20.
Learning from the past.
Reluctance to hire people with criminal convictions revealed
Employing People with Criminal Convictions Report.
Tackling unconscious bias; Women's History Month
Personal reflections, as the last week of March approaches.