Heat Transfer and Energy Consumption of Passive House in a Severely Cold Area: Simulation Analyses

Wang, Fang; Yang, Wen‐Jia; Sun, Weifeng

doi:10.3390/en13030626

Cited by 16 publications

(11 citation statements)

References 31 publications

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“…are also taken into account. A lot of building energy simulations tools like IDE ICE, EnergyPlus, OpenStudio, eQUEST and DesignBuilder are available and mentioned in the studies which promise high accuracy level for a comprehensive simulation of building design [20][21][22][23][24][25][26]. In this study, the EnergyPlus engine and open-studio is used to compare the results with WUFI, which is a Passive House planning tool.…”

Section: Modelling Methodology and Boundary Conditionsmentioning

confidence: 99%

“…Furthermore, optimized results can be calculated using simulation analysis [20], with the desired glazing characteristics or specifying known specific heat and conductivity of glazing windows installed and wall insulation specifications. It has been verified that the high-performance windows make a considerable difference in the heat loss or gain for the envelope [21].…”

Section: Building Envelop Descriptionmentioning

confidence: 99%

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Building performance modelling for the First House in Newfoundland built on PHIUS+2015 standards and design of Renewable energy system

Manzoor

Iqbal²,

Goodyear³

2020

IJRER

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This paper present the building performance of a house in Newfoundland, Canada. This house is built under the guidelines of the Passive House Institute United States (PHIUS+2015) standards. This is an important step took towards sustainable living in Newfoundland and Canada in general. Detailed energy consumption modelling of the house has been performed along with the steps involved in the simulation process of Passive House planning and renewable energy system sizing. A significant part of the study presents the majority of the construction details of the house and the components involved. In this study, we present actual energy consumption data acquired from the house and the simulation performed in both preconstruction and post-construction phases. Additionally, steps followed during the planning and construction phase have been discussed in detail, and both static and dynamic energy modelling has been compared. Moreover, a cost comparison has been performed to calculate all the additional costs spent on the resources to build the house according to the Passive House (PHIUS+2015) standards; the analysis indicated a cost of 12% extra when compared with the house built under local regulations. Finally, a renewable energy system is proposed for the house to meet the electricity needs of the house.

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Section: Modelling Methodology and Boundary Conditionsmentioning

confidence: 99%

Section: Building Envelop Descriptionmentioning

confidence: 99%

Building performance modelling for the First House in Newfoundland built on PHIUS+2015 standards and design of Renewable energy system

Manzoor

Iqbal²,

Goodyear³

2020

IJRER

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“…Wang et al [30] presented the passive ultra-low energy office building adopting ventilation heat recovery system with rotary heat exchanger. Thermal recovery rate of more than 75% was given, but no detailed analysis was presented.…”

Section: Introductionmentioning

confidence: 99%

Annual Energy Performance of an Air Handling Unit with a Cross-Flow Heat Exchanger

Michalak¹

2021

Energies

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Heat recovery from ventilation air is proven technology resulting in significant energy savings in modern buildings. The article presents an energy analysis of an air handling unit with a cross-flow heat exchanger in an office building in Poland. Measurements were taken during one year of operation, from 1 August 15 to 31 July 16, covering both heating and cooling periods. Calculated annual temperature efficiency of heat and cold recovery amounted to 65.2% and 64.6%, respectively, compared to the value of 59.5% quoted by the manufacturer. Monthly efficiency of heat recovery was from 37.6% in August to 68.7% in November, with 63.9% on average compared to 59.5% declared by the manufacturer. Cold recovery was from 63.3% in April to 72.8% in September, with 68.1% annually. Calculated recovered heat and cold amounted 25.6 MWh and 0.26 MWh, respectively. Net energy savings varied from −0.46 kWh/m2 in August, when consumption by fans exceeded savings, to 5.60 kWh/m2 in January.

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“…Building energy use is affected by several factors, in addition to the environmental factors, such as the climatic conditions; the predominant elements of external heat gains are building geometry and the thermophysical properties of the building envelope [11]. Passive design strategies have been extensively implemented to reduce energy consumption and carbon emissions [12,13,14]. The reduction of external heat gain transfer by minimizing conductive heat flow in the building envelope is recommended in hot arid climates, where there is a significant difference in temperatures between the indoor and outdoor environments, as La Roche [15] points out.…”

Section: Introductionmentioning

confidence: 99%

Economic feasibility of passive strate gies for energy efficient envelopes of mass-built housing in hot-dry climate

Reyes-Barajas¹,

Romero-Moreno²,

Luna-León³

et al. 2021

Int. J. EQ

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The building and construction industry represents 36% of the world's final energy use and 39% of carbon emissions, while the residential sector is responsible for 22% of total energy consumption and 17% of carbon emissions. Therefore, energy consumption reduction measures are required by this sector, without affecting the living conditions of its occupants. In Baja California, Mexico, the more commonly used construction systems in mass-built housing are concrete block walls and cast in place insulated reinforced concrete roof deck. These systems negatively affect comfort conditions, especially in hot summer periods, and therefore increase energy consumption, particularly in areas with an hot-dry climate, such as Mexicali, Baja California. The objective of this article is to determine the cost-benefit of two passive design strategies applied in the housing envelope, which are thermal insulation and ventilated facade. A commercial model of mass-built housing was taken as a benchmark case. Building energy simulations were carried out with the Design Builder® program, whereby the performance of the house was evaluated without passive design strategies (benchmark case) and with applied strategies, that is, variations in thickness and position of the materials that make up the layers of the walls and roof. Additionally, the net present value (NPV) criterion was used to obtain the costs and benefits of the design strategies. The results show the differences in cooling demand, indoor operative temperature, and the total costs, in Mexican pesos, of the application of the strategies; the results show that there are significant energy savings, which contribute to reducing carbon emissions to the environment and provide economic savings for the user.

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Heat Transfer and Energy Consumption of Passive House in a Severely Cold Area: Simulation Analyses

Cited by 16 publications

References 31 publications

Building performance modelling for the First House in Newfoundland built on PHIUS+2015 standards and design of Renewable energy system

Building performance modelling for the First House in Newfoundland built on PHIUS+2015 standards and design of Renewable energy system

Annual Energy Performance of an Air Handling Unit with a Cross-Flow Heat Exchanger

Economic feasibility of passive strate gies for energy efficient envelopes of mass-built housing in hot-dry climate

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