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Real operation of an innovative adsorption chiller prototype using water as refrigerant.

Number: pap. 1188

Author(s) : PALOMBA V.

Summary

This paper presents a new adsorption chiller prototype, employing water as refrigerant, specifically developed to maximize the volumetric cooling power by using an advanced management strategy with different adsorption and desorption times. It consists of 3 adsorbers connected to a single evaporator and condenser. Moreover, hybrid adsorbers were realized embedding microporous Silica Gel loose grains into aluminum finned flat tube heat exchangers previously coated with the Mitsubishi AQSOA FAM Z02 sorbent. A wide experimental characterization campaign aimed at measuring the performance of the innovative cooling machine was carried out at CNR-ITAE by a test rig for thermally driven cooling/heating systems, under typical boundary conditions of air conditioning applications. At nominal operating conditions (i.e. TH~90°C, TL~18°C and TM~25°C), the chiller was able to deliver an average cooling power of 4.4 kW, an overall volumetric cooling power of 9.4 kW/m3, with a COP of 0.35.

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Pages: 7

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Details

  • Original title: Real operation of an innovative adsorption chiller prototype using water as refrigerant.
  • Record ID : 30023618
  • Languages: English
  • Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Publication date: 2018/06/18
  • DOI: http://dx.doi.org/10.18462/iir.gl.2018.1188

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