Correlation analysis of occupancy and air-conditioning
Dec 1, 2024 · This study explores occupancy and air-conditioning behaviors through descriptive, statistical, cluster, and correlation analyses of 1189 samples from six office building types in
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Solar Conditioning Field Occupancy
Solar adsorption air conditioning system
Oct 1, 2021 · One of the most attractive alternative solutions is the incorporation of solar energy into air conditioning and refrigeration unit, which is known as a ''solar-driven air conditioning''
Performance evaluation of a solar absorption air
Aug 18, 2025 · Reported results indicated that the annual cooling load and maximum instantaneous cooling load are 463 Wh/m2and 173 W/m2. Also, the results revealed that solar
Flexible energy utilization potential of demand response
Nov 15, 2024 · The surge in air conditioning electricity consumption exacerbates grid peak load. To counteract grid peaking pressures and accommodate a high penetration rate of renewable
Economic analysis of a novel solar-assisted air conditioning system
Apr 1, 2021 · The existing vapour-compression air conditioning system operating alone consumes more energy compared to that when supplemented with the solar-driven absorption chiller with
A review of research on intelligent technology in building air
Aug 1, 2025 · The main innovation of this article is that it provides a relatively comprehensive and systematic review of the application of intelligent technology in the field of dynamic multi
The impact of bus passenger occupancy, heating ventilation and air
Jun 1, 2023 · 4) The validated simulation model was used for developing different test cases based on climatic and passenger occupancy data. The climatic data was based on the annual
Performance Analysis of Solar-Integrated Vapour Compression Air
May 27, 2025 · Numerical simulations were conducted to evaluate various configurations of solar collector areas, thermal storage tank volumes, and collector mass flow rate, aiming to identify
Measured Field Performance and Energy Savings of
Jun 19, 2018 · Also, several case studies of occupancy sensor installations show savings of 25 to 75% in variety of spaces (EPRI 1994). Finally, a detailed study of occupancy sensors used in a
Experimental investigation of a solar-assisted air conditioning
Aug 1, 2023 · In this study, the effect of air conditioners (ACs) on reducing energy consumption in the case of supporting AC systems used in residential air conditioning with solar energy from
Environmental Assessment on Hybrid Solar Air
Abstract. Vapour compression systems are widely used in large scale of cooling application in industrial, commercial and institutional buildings. This conventional system did contribute to
Cooling Load Calculations and Principles
Mar 15, 2023 · The sol-air temperature represents the equivalent outdoor design air temperature that combines convection to the outdoor air, radiation to the ground and sky, and solar
Performance Analysis of Solar-Integrated Vapour Compression Air
May 27, 2025 · Performance Analysis of Solar-Integrated Vapour Compression Air Conditioning System for Multi-Story Residential Buildings in Hot Climates: Energy, Exergy, Economic, and
Performance Analysis of Solar-Integrated Vapour Compression Air
May 27, 2025 · In Iraq, air conditioning accounts for 60% of residential electricity use during peak summer months, contributing 30% of the country''s annual CO 2 emissions , underscoring
Solar Air Conditioning System Market Size & Growth 2025
Feb 7, 2025 · Solar Air Conditioner is a cooling system which uses solar energy as the primary source to operate. It is designed to reduce the dependency on traditional electricity grids and
Reducing a solar-assisted air-conditioning system''s energy
Dec 1, 2013 · This study describes an innovative occupancy and chilled-water storage-based operation sequence implemented in a solar-assisted air-conditioning system. The core
An experimental comparative study of energy saving based on occupancy
Jan 15, 2025 · Buildings account for approximately one-third of global energy consumption and greenhouse gas emissions. Accurate occupancy data is critical for enabl
Energy and comfort performance of occupant-centric air
Jan 27, 2022 · Third, air conditioning energy under different scenarios, including low occupancy rate and high occupancy rate, and PCS combinations were simulated to determine the energy-
Flexible energy utilization potential of demand response
Nov 15, 2024 · To counteract grid peaking pressures and accommodate a high penetration rate of renewable energy, a photovoltaic direct-driven air-conditioning system (PVACS) integrated
A Smith predictive based MPC in a solar air conditioning plant
Feb 1, 2005 · Abstract This paper presents the application of a Model Predictive Controller to the temperature control in a solar air conditioning plant. The controller uses a Smith Predictor and
Transient analysis of an efficient solar assisted air-conditioning
Jul 1, 2024 · The air conditioning demand of the world is largely fulfilled by vapor compression systems; however, these systems are also responsible for depleting ozone layer due to the
A study on occupant behaviour related to air-conditioning
Nov 15, 2019 · This problem is more pronounced with the split-type air-conditioner that is popular in South China. This study identified three representative patterns related to occupancy and
Solar adsorption air conditioning system
Oct 1, 2021 · From the simulation we found that the solar fraction of the SADCS system is as high as 63 %, with the temperature and the relative humidity of an office space can reach an
Development and energy analysis of a solar-assisted air conditioning
Jul 1, 2023 · This paper proposes and analyzes a novel solar-assisted air conditioning system integrating a parabolic trough concentrator coupled to a vapor compres
Modeling and optimal control of an energy-efficient hybrid solar air
Jan 1, 2015 · The paper addresses the modeling and optimal control problem of a new hybrid solar-assisted air conditioning system developed for performance enhancement and energy
Reducing a solar-assisted air-conditioning system''s energy
Results highlight wide discrepancies in the implementation approach of OCC case studies and identify common challenges facing OCC in actual buildings. We propose future directions for
Field Measurements of Building Air
Jan 17, 2025 · In recent years, the surge in air-conditioning ownership and usage has led to significant heat rejection, impacting the surrounding atmosphere.
Solar air conditioning field occupancy rate
How much energy does a solar air-conditioning office building consume? Moreover, another study analyzed the energy performance of a solar air-conditioning office building that maximum
Performance evaluation of a solar absorption air
Aug 18, 2025 · The proposed system consists of three sub-systems: a commercial building, absorption air conditioning system and solar field, as shown in Fig. 1. The specific objectives of
Solar-powered smart monitoring system for occupancy and
Jun 15, 2025 · However, inefficient air conditioner usage, especially when rooms are unoccupied, leads to excessive energy consumption and high electricity costs. To address this issue, this
Dynamic simulation of a complete solar assisted air
Oct 25, 2013 · Initially it was made of 12 identical floors (see figure 2), 15000 m2 with average 1000 persons occupancy. Previous work (Thomas et al., 2008) has showed that a three floor
Research on typical occupant air-conditioning behavior of
May 15, 2025 · College dormitories, characterized by high occupancy and energy density, have huge potential for energy savings. However, most existing energy efficiency studies of college
Exergy analysis of a solar-assisted air-conditioning system:
Feb 5, 2019 · These systems are gaining attention due to the concurrence of available solar radiation and cooling demand . During the solar-assisted air-conditioning system''s design
Optimizing building energy consumption through
Mar 15, 2025 · The research reveals air conditioning usage often exceeds actual occupancy time between 13:00 and 14:00, while during non-occupancy periods, air conditioning continues to
(PDF) SOLAR AIR CONDITIONING
Jan 1, 2004 · To increase the rate of heat transfer in solar air heater fins, obstacles, ribs and roughness materials on the absorber plate could extend the surface of solar air heaters area .
Numerical simulation and performance assessment of an
Aug 25, 2017 · This study concerns a common solar air-conditioning system. A solar collector field provides hot water to a storage tank. Hot water then can be used for heating the building or
Fuzzy logic controller implementation for a solar air-conditioning
Dec 1, 2007 · The implementation of a variable structure fuzzy logic controller for a solar powered air conditioning system and its advantages are investigated in this paper. Two DC motors are
6 Frequently Asked Questions about “Solar air conditioning field occupancy rate”
How much cooling power does a solar system have?
The results from their experiment showed that, when driven by the solar panels at average and maximum solar radiation of 570 and 880 W/m 2 respectively, the specific cooling power of the system (SCP) was as high as 208.2 W/kg.
Can solar-driven air-conditioning systems reduce energy consumption?
This paper has discussed different types of solar-driven air-conditioning systems that can serve as an alternative to reduce the energy consumption of conventional electrical driven air-conditioning systems. There are commercially available systems and systems that are limited to lab scale.
Are solar panels suitable for air-conditioning systems?
There are two different types of processes namely electric process and thermal process . The electric process will power the vapour compression cycle air-conditioning system. However, due to the large area required for the solar panel to generate electricity, it is not suitable for air-conditioning systems.
What is the solar fraction of a sadcs system?
From our simulation in TRNSYS, we found that the solar fraction of the SADCS system is as high as 63 %, with the average temperature and the relative humidity of an office space can reach down to an average of 20 °C and 60 % respectively, within the range of the thermal comfort level for the occupants.
Can solar energy be used in air conditioning?
One of the most attractive alternative solutions is the incorporation of solar energy into air conditioning and refrigeration unit, which is known as a 'solar-driven air conditioning' system, such system can promote green cooling technologies and many researchers have worked on in recent years .
What is solar adsorption air conditioning system (sadcs)?
Solar adsorption air conditioning system (SADCS) is an excellent alternative to the conventional vapour compression system (VCS).