Análisis dinámico del confort en edificios con estrategias de control adaptativo en modos deslizantes

Florez, Frank

doi:10.4995/thesis/10251/153803

Cited by 2 publications

(5 citation statements)

References 84 publications

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“…For the case with two thermal zones, the circuit presented in Figure 2 must be extended to include the second thermal zone; Figure 5 shows the new circuit, taking Tw 2 and T 2 as the temperatures for the second zone. Using the circuit for two thermal zones it is possible to derive Equations ( 9) to (12).…”

Section: Case 1: a Single Thermal Zone (M = 1)mentioning

confidence: 99%

“…The energy consumption in buildings depends on different factors, such as occupant activity [9] and heating, ventilation and air conditioning (HVAC) systems [10], among others. However, to understand the causes of energy consumption, buildings must be studied individually, taking into account the minimum spaces and energy requirements to ensure occupant comfort [11,12]. In this sense, mathematical models and simulators play an essential role, allowing researchers to analyze different configurations and situations in buildings, including huge interior spaces in buildings [13] or green roofs [14].…”

Section: Introductionmentioning

confidence: 99%

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Design of an Algorithm for Modeling Multiple Thermal Zones Using a Lumped-Parameter Model

et al. 2023

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The generation of mathematical models for the analysis of buildings with multiple thermal zones is a large and complex task. Furthermore, the order and complexity of the dynamical model are increased by the number of included thermal zones. To overcome this problem, this paper presents an algorithm to define the mathematical model automatically, using the geometric and physics parameters as inputs. Additionally, the spatial position of each thermal zone must be recorded in an arrangement called a contact matrix. The algorithm for modeling systems with multiple thermal zones is the main contribution of this work. This algorithm is presented in pseudocode format and as an annex, an implementation in MATLAB software. One of the advantages of this methodology is that it allows us to work with parallelepipeds and not necessarily cubic thermal zones. The algorithm allows us to generate mathematical models with symbolic variables, starting from the knowledge of how many thermal zones compose the system and its geometric organization. This information must be organized in a matrix arrangement called a contact matrix. Different arrays of thermal zones were constructed with wooden boxes to verify the functionality of the models generated with the algorithm. Each case provided information that allowed us to adjust the mathematical models and their simulations, obtaining a range of errors between experimental and simulated temperatures from 2.08 to 5.6, depending on the number of thermal zones studied.

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Section: Case 1: a Single Thermal Zone (M = 1)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design of an Algorithm for Modeling Multiple Thermal Zones Using a Lumped-Parameter Model

et al. 2023

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“…The model was adjusted using a database recorded for 5 days, from February 9 to 14, 2019, in Santa Marta city (Colombia) [30]. In this database, the internal and external surface temperatures, environmental temperature, and internal air temperature were registered.…”

Section: Tuning and Analysis Of Mathematical Modelmentioning

confidence: 99%

“…2 , using T exp to represent the experimental temperature recorded at the point i, and T for the simulated temperature at this point [30]. The procedure for adjustion consists in separating the studied period in the day and night and calculating the best value to fit the simulation curves to the experimental data.…”

Section: Tuning and Analysis Of Mathematical Modelmentioning

confidence: 99%

“…The investigation presented in [28] studied the thermal response of different structures, such as roofs and decks, which can provide an important heat gain for the solar radiation absorbed. In general, there is plenty of published work on the thermal behavior of buildings, but most are dedicated to traditional structures such as rectangular buildings, which do not consider non-conventional structures and their possible use for low energy consumption [29][30][31].…”

Section: Introductionmentioning

confidence: 99%

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Passive Strategies to Improve the Comfort Conditions in a Geodesic Dome

et al. 2021

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Non-conventional thermal zones are low-cost and ecology friendly alternatives to the housing needs of populations in various situations, such as surviving natural disasters or addressing homelessness. However, it is necessary to guarantee thermal comfort for occupants, while aiming to minimize energy consumption and wastage in refrigeration systems. To reduce the cooling requirements in non-conventional thermal zones it is necessary to model the structure and analyze the principal factors contributing to internal temperature. In this paper, a geodesic dome is modellingusing the lumped parameter technique. This structure is composed of a wooden skeleton and wooden floor, with a canvas surface as its exterior. The mathematical model was tuned using experimental data, and its parameters were classified using Monte Carlo sensitivity analysis. The mathematical model was used to evaluate the impact on internal temperature and occupants’ comfort when two strategies are considered. The results obtained indicatee internal temperature reductions down to a range of 7% to 11%; this result is reflected directly in the energy used to refrigerate the thermal zone, contributing to the objective of providing houses with lower energy consumption.

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Análisis dinámico del confort en edificios con estrategias de control adaptativo en modos deslizantes

Abstract: Palabras clave: Modelado zonas térmicas, control en modos deslizantes, modelos de escala reducida, confort térmico, soluciones termo-aislantes, modelado por parámetros agrupados .

Cited by 2 publications

References 84 publications

Design of an Algorithm for Modeling Multiple Thermal Zones Using a Lumped-Parameter Model

Design of an Algorithm for Modeling Multiple Thermal Zones Using a Lumped-Parameter Model

Passive Strategies to Improve the Comfort Conditions in a Geodesic Dome

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