Modeling Earth Systems and Environment

, Volume 5, Issue 1, pp 33–40 | Cite as

Model design of condenser for solar assisted geothermal cooling system using software simulation

  • Manan ShahEmail author
  • Harshil Kathiriya
  • Milapkumar Kakadiya
  • Vinay Boghara
  • Anirbid Sircar
  • Shuchen Thakore
Original Article


Condensers are extensively used in refrigeration, air-conditioning and power generation systems. Condenser for the solar assisted geothermal cooling system is designed by using software simulation of condenser’s geometrical and flow parameters. The geothermal cooling system is designed to reduce electricity consumption of compressor during peak hours during the summer period in hot weather condition. The subsurface temperature of the earth around 5–6-m depth is fairly constant throughout the year which fulfills the requirement of cooling inside the building or residence by using water as a heat exchanging medium. Water is circulated in closed loop system buried into subsurface which sinks the heat of refrigerant from condenser inside the subsurface soil. The condenser is designed by comparing results obtained from (1) manual calculation (2) simulation by CHEMCAD software. In order to have a good and optimized design, manual and software-based calculations should be carried out simultaneously and verified with each other. It is found that results obtained from both calculations are approximately same with a minor difference. The geometry and flow parameter of the condenser is determined on the basis of surrounding temperature. The solar panel is used for power generation to reduce electricity consumption by the compressor, pump, and evaporator fan coil. This provides the hybrid solar assisted geothermal cooling system.


Condenser Geothermal cooling CHEMCAD 

List of symbols


Condensation heat transfer coefficient (W/m2 K)


Sensible heat removal heat transfer coefficient (W/m2 K)


Tube outside diameter (mm)


Tube inside diameter (mm)


Tube length (m)


Tube pitch (mm)


Fouling coefficient tube side (W/m2K)


Fouling coefficient shell side (W/m2K)


Sensible heat duty (J/s)


Latent heat duty (J/s)

\({\dot {m}_R}\)

Refrigerant mass flow rate (kg/s)

\({\dot {m}_w}\)

Water mass flow rate (kg/s)


Specific heat of refrigerant (kJ/kg K)


Specific heat of water (kJ/kg K)

\({\lambda _R}\)

Latent heat of refrigerant (kJ/kg)


Tube bundle diameter (mm)


Shell inside diameter (mm)


Tube side flow area (m2)


Water mass velocity (kg/m2 s)


Thermal Conductivity of water (mW/m K)


Thermal Conductivity of copper (tube material) (mW/m K)


Tube side coefficient (W/m2 K)


Shell side coefficient (W/m2 K)


Overall condensation coefficient (W/m2 K)


Overall sensible heat removal coefficient (W/m2 K)


Thermal Conductivity of refrigerant in liquid phase (mW/m K)

\({\mu _L}\)

Viscosity of refrigerant in liquid phase (Pa s)

\({\rho _v}\)

Density of refrigerant in vapour phase (kg/m3)

\({\rho _L}\)

Density of refrigerant in liquid phase (kg/m3)


Inlet pressure of respective fluid (MPa)



The authors are grateful to School of Petroleum Technology, Pandit Deendayal Petroleum University for the permission to publish this research.



Compliance with ethical standards

Availability of data and material

All relevant data and material are presented in the main paper.

Conflict of interest

The authors declare that they have no competing interests.


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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Manan Shah
    • 1
    Email author
  • Harshil Kathiriya
    • 1
  • Milapkumar Kakadiya
    • 1
  • Vinay Boghara
    • 1
  • Anirbid Sircar
    • 1
  • Shuchen Thakore
    • 2
  1. 1.School of Petroleum TechnologyPandit Deendayal Petroleum UniversityGandhinagarIndia
  2. 2.Chemical Engineering DepartmentGovernment Engineering CollegeValsadIndia

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