scholarly journals A Cascade Proportional Integral Derivative Control for a Plate-Heat-Exchanger-Based Solar Absorption Cooling System

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 4058
Author(s):  
Yeudiel Garcíadealva ◽  
Roberto Best ◽  
Víctor Hugo Gómez ◽  
Alejandro Vargas ◽  
Wilfrido Rivera ◽  
...  
Keyword(s):  
Cooling System ◽  
Proportional Integral Derivative ◽  
Solar Absorption ◽  
Plate Heat ◽  
Proportional Integral ◽  
Absorption Cooling ◽  
Proportional Integral Derivative Control ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System ◽  
Derivative Control

Automatic proportional integral derivative control techniques are applied in a single-stage solar absorption cooling system, showing 3.8 kW (~1 ton) cooling capacity, with a coefficient of performance of 0.6 and −4.1 °C evaporator cooling temperature. It is built with plate heat exchangers as main components, using ammonia–water as the working mixture fluid and solar collectors as the main source of hot water. Control tuning was verified with a dynamical simulation model for a solution regarding mass flow stability and temperature control in the solar absorption cooling system. The controller improved steady thermodynamic state and time response. According to experimental cooling temperatures, the system could work in ranges of refrigeration or air-conditioning end-uses, whose operation makes this control technique an attractive option to be implemented in the solar absorption cooling system.

scholarly journals Modelling and simulation of a solar absorption cooling system for India

2006 ◽  
Vol 17 (3) ◽  
pp. 65-70 ◽  
Author(s):  
V Mittal ◽  
K S Kasana ◽  
N S Thakur
Keyword(s):  
Surface Area ◽  
Cooling System ◽  
Hot Water ◽  
Coefficient Of Performance ◽  
Reference Temperature ◽  
Inlet Temperature ◽  
Solar Absorption ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

This paper presents modelling and simulation of a solar absorption cooling system. In this paper, the modelling of a solar-powered, single stage, absorption cooling system, using a flat plate collector and water–lithium bromide solution, is done. A computer program has been developed for the absorption system to simulate various cycle configurations with the help of various weather data for the village Bahal, District Bhiwani, Haryana, India. The effects of hot water inlet temperatures on the coefficient of performance (COP) and the surface area of the absorption cooling component are studied. The hot water inlet temperature is found to affect the surface area of some of the system components. Moreover the effect of the reference temperature which is the minimum allowable hot water inlet temperature on the fraction of total load met by non-purchased energy (FNP) and coefficient of performance (COP) is studied and it is found that high reference temperature increases the system COP and decreases the surface area of system components but lower reference temperature gives better results for FNP than high reference temperatures.

Optimum operational strategies for a solar absorption cooling system in an isolated school of Mexico

2020 ◽  
Vol 112 ◽  
pp. 1-13 ◽  
Author(s):  
J.A. Aguilar-Jiménez ◽  
N. Velázquez-Limón ◽  
R. López-Zavala ◽  
L.A. González-Uribe ◽  
S. Islas ◽  
...  
Keyword(s):  
Cooling System ◽  
Solar Absorption ◽  
Operational Strategies ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

Modelling and simulation of a solar absorption cooling system

1985 ◽  
Vol 19 (3) ◽  
pp. 209-229 ◽  
Author(s):  
T. Muneer ◽  
A.H. Uppal
Keyword(s):  
Cooling System ◽  
Modelling And Simulation ◽  
Solar Absorption ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

Design of a solar absorption cooling system in a Greek hospital

2010 ◽  
Vol 42 (2) ◽  
pp. 265-272 ◽  
Author(s):  
T. Tsoutsos ◽  
E. Aloumpi ◽  
Z. Gkouskos ◽  
M. Karagiorgas
Keyword(s):  
Cooling System ◽  
Solar Absorption ◽  
Absorption Cooling ◽  
Greek Hospital ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

Experimental based energy performance analysis and life cycle assessment for solar absorption cooling system at University of Californian, Merced

2014 ◽  
Vol 82 ◽  
pp. 746-757 ◽  
Author(s):  
Yin Hang ◽  
Ming Qu ◽  
Roland Winston ◽  
Lun Jiang ◽  
Bennett Widyolar ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Performance Analysis ◽  
Cooling System ◽  
Energy Performance ◽  
Solar Absorption ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

scholarly journals Transient simulation of a solar absorption cooling system

2013 ◽  
pp. ctt060 ◽  
Author(s):  
Akshaya Budania ◽  
Suhail Ahmad ◽  
Sanjeev Jain
Keyword(s):  
Cooling System ◽  
Transient Simulation ◽  
Solar Absorption ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System

Acetone - Zinc Bromide as Working Fluids in Solar Absorption Cooling System

2020 ◽  
Vol 20 (1) ◽  
pp. 23-29
Author(s):  
Nabeel A. Ghyadh ◽  
Salman H. Hammadi ◽  
Haroun A. K. Shahad
Keyword(s):  
Cooling System ◽  
Zinc Bromide ◽  
Solar Absorption ◽  
Working Fluids ◽  
Absorption Cooling ◽  
Solar Absorption Cooling ◽  
Absorption Cooling System
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