All Outputs (34)

Enhancing the detection performance of a vision-based window opening detector (2022)
Journal Article

In favourable climates and building types, employing natural ventilation can lead to significant energy savings and health benefits. However, in cold climates or conditions, the use of natural ventilation could result in significant heat loss and, co... Read More about Enhancing the detection performance of a vision-based window opening detector.

Machine Learning and Deep Learning Methods for Enhancing Building Energy Efficiency and Indoor Environmental Quality – A Review (2022)
Journal Article

The built environment sector is responsible for almost one-third of the world's final energy consumption. Hence, seeking plausible solutions to minimise building energy demands and mitigate adverse environmental impacts is necessary. Artificial intel... Read More about Machine Learning and Deep Learning Methods for Enhancing Building Energy Efficiency and Indoor Environmental Quality – A Review.

Enhancing the detection performance of a vision-based occupancy detector for buildings (2022)
Journal Article

Occupant behaviour is one of the key parameters that significantly impact the operation of heating, ventilation and air-conditioning (HVAC) systems and the energy performance of buildings. Detailed occupancy information can improve HVAC operation and... Read More about Enhancing the detection performance of a vision-based occupancy detector for buildings.

The impact of wind upon the pulse technique measured airtightness of a detached dwelling (2022)
Journal Article

The novel Pulse technique measures the building airtightness in a dynamic approach, involving a low-pressure pressurisation process, typically in 1–10Pa. It is known that the wind effect is one of the main sources of uncertainty for airtightness test... Read More about The impact of wind upon the pulse technique measured airtightness of a detached dwelling.

Real-time monitoring of occupancy activities and window opening within buildings using an integrated deep learning-based approach for reducing energy demand (2021)
Journal Article

Occupancy behaviour in buildings can impact the energy performance and operation of heating, ventilation and air-conditioning (HVAC) systems. HVAC, which uses conventional control strategies or “fixed” setpoint schedules, could not adjust to the cond... Read More about Real-time monitoring of occupancy activities and window opening within buildings using an integrated deep learning-based approach for reducing energy demand.

Evaluation of the precision and accuracy of the QUB/e method for assessing the as-built thermal performance of a low-energy detached house in UK (2021)
Journal Article

In this paper, the findings from a field study of the thermal performance of a low-energy dwelling are presented and discussed. The study aimed at evaluating the precision and accuracy of the QUB/e method in the field under UK climatic conditions. A... Read More about Evaluation of the precision and accuracy of the QUB/e method for assessing the as-built thermal performance of a low-energy detached house in UK.

A deep learning approach towards the detection and recognition of opening of windows for effective management of building ventilation heat losses and reducing space heating demand (2021)
Journal Article

Building ventilation accounts for up to 30% of the heat loss in commercial buildings and 25% in industrial buildings. To effectively aid the reduction of energy consumption in the building sector, the development of demand-driven control systems for... Read More about A deep learning approach towards the detection and recognition of opening of windows for effective management of building ventilation heat losses and reducing space heating demand.

Evaluation of the indoor pressure distribution during building airtightness tests using the pulse and blower door methods (2021)
Journal Article

Building airtightness is a critical aspect for energy-efficient buildings as the energy performance of a building can be significantly reduced by poor airtightness. The Pulse technique has been regarded as a promising technology, measuring building a... Read More about Evaluation of the indoor pressure distribution during building airtightness tests using the pulse and blower door methods.

Numerical and experimental validations of the theoretical basis for a nozzle based pulse technique for determining building airtightness (2020)
Journal Article

Motivated by intentions of avoiding large net fluid flow and enabling a more practical airtightness test for large buildings, a low-pressure Pulse pressurisation technique was developed for measuring building airtightness at pressures that are consid... Read More about Numerical and experimental validations of the theoretical basis for a nozzle based pulse technique for determining building airtightness.

Field testing of the QUB method for assessing the thermal performance of dwellings: In situ measurements of the heat transfer coefficient of a circa 1950s detached house in UK (2020)
Journal Article

In this paper the findings from a long-term field study of the thermal performance of a circa 1950s dwelling are presented and discussed. The study aimed at evaluating the robustness of the QUB method in the field under UK climatic conditions. A seri... Read More about Field testing of the QUB method for assessing the thermal performance of dwellings: In situ measurements of the heat transfer coefficient of a circa 1950s detached house in UK.

Quantifying airtightness in Brazilian residential buildings with focus on its contribution to thermal comfort (2020)
Journal Article

© 2020 Informa UK Limited, trading as Taylor & Francis Group. Airtightness refers to the amount of air leakage through a building’s envelope. This uncontrolled exchange of air between inside and outside, either infiltration or exfiltration, may lea... Read More about Quantifying airtightness in Brazilian residential buildings with focus on its contribution to thermal comfort.

Estimation of the infiltration rate of UK homes with the divide-by-20 rule and its comparison with site measurements (2020)
Journal Article

Buildings are responsible for 40% of the global energy usage to which infiltration-caused heat losses are responsible for 30%. Air infiltration is the unintended flow of air through leakage paths and fundamentally determined by the airtightness of a... Read More about Estimation of the infiltration rate of UK homes with the divide-by-20 rule and its comparison with site measurements.

On the power law and quadratic forms for representing the leakage-pressure relationship- Case studies of sheltered chambers (2020)
Journal Article

The leakage characteristics of a building can be described by a leakage-pressure relationship, which sometimes is referred to as flow-pressure relationship. This relationship provides the leakage rate through the building envelope when it is subject... Read More about On the power law and quadratic forms for representing the leakage-pressure relationship- Case studies of sheltered chambers.

A practical review of alternatives to the steady pressurisation method for determining building airtightness (2020)
Journal Article

As an important indicator of construction quality and envelope integrity of buildings, airtightness is responsible for a considerable amount of energy losses associated with infiltration. It is crucial to understand building airtightness during const... Read More about A practical review of alternatives to the steady pressurisation method for determining building airtightness.

Airtightness measurement of an outdoor chamber using the Pulse and blower door methods under various wind and leakage scenarios (2020)
Journal Article

As a continued investigation following the previous testing of a house-sized chamber in a sheltered environment, this paper introduces an experimental study of airtightness measurement of an outdoor chamber using both the novel Pulse technique and th... Read More about Airtightness measurement of an outdoor chamber using the Pulse and blower door methods under various wind and leakage scenarios.

Refined assessment and comparison of airtightness measurement of an indoor chamber using the blower door and Pulse methods (2019)
Conference Proceeding

Previous studies have compared the airtightness measurement of test enclosures utilising both the novel Pulse technique and the conventional blower door method. Discrepancies between results of the two test methods were observed and it was concluded... Read More about Refined assessment and comparison of airtightness measurement of an indoor chamber using the blower door and Pulse methods.

Experimental insights into the airtightness measurement of a house-sized chamber in a sheltered environment using blower door and pulse methods (2019)
Journal Article

This paper introduces a comparison study of measuring the airtightness of a house-sized test chamber using the novel pulse technique and a low range blower door method in a sheltered environment. Eight different testing plates were prepared and appli... Read More about Experimental insights into the airtightness measurement of a house-sized chamber in a sheltered environment using blower door and pulse methods.

Experimental Studies of a Pulse Pressurisation Technique for Measuring Building Airtightness (2019)
Journal Article

A pulse pressurisation technique is developed and utilised for determining building leakage at low pressure, based on a "quasi-steady pulse" concept. The underlying principle of the technique is to subject the building envelope to a known volume chan... Read More about Experimental Studies of a Pulse Pressurisation Technique for Measuring Building Airtightness.

Development of a 1000 W organic Rankine cycle micro-turbine-generator using polymeric structural materials and its performance test with compressed air (2019)
Journal Article

This paper presents the experimental advances on the implementation of structural polymeric materials in a micro-turbine-generator for an organic Rankine cycle (ORC) and through testing provides an insight of its performance. The aim is to create awa... Read More about Development of a 1000 W organic Rankine cycle micro-turbine-generator using polymeric structural materials and its performance test with compressed air.

An extended pressure range comparison of the blower door and novel pulse method for measuring the airtightness of two outdoor chambers with different levels of airtightness (2018)
Conference Proceeding

The steady pressurisation method measures the building leakage in a range of high pressures, typically 10-60 Pa. It is implemented by creating a steady pressure difference across the building envelope and measuring the corresponding airflow exchange... Read More about An extended pressure range comparison of the blower door and novel pulse method for measuring the airtightness of two outdoor chambers with different levels of airtightness.