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Article

ON-SITE THERMAL DIAGNOSTICS OF COOLING SOURCES FOR AIR CONDITIONING SYSTEMS IN OFFICE BUILDINGS

electric power consumed by the cooling sources were measured in two air-conditioned office buildings. The measurement results were used to calculate the cooling energy generated during the measurement period and the operational Energy Efficiency Ratio EERo of the chillers. Electric energy consumed in the measuring period by the auxiliary equipment of the cooling system, i.e.: coolant pumps and fan coil fans, was estimated. The possibility of significant reduction of the energy consumption for air

Maria HURNIK, Monika BLASZCZOK, Małgorzata KRÓL

Architecture, Civil Engineering, Environment , ISSUE 2, 157–163

Article

COMPREHENSIVE ON SITE THERMAL DIAGNOSTICS OF BUILDINGS - POLISH PRACTICAL EXPERIENCE

University of Technology in Gliwice was a leader of the scientific-industrial consortium implementing the task. The main objectives of Task 4 and achieved relevant results are presented in the paper. A new method for the rapid on-site thermal diagnosis of a building envelope and systems of heating, ventilation, air conditioning and domestic hot water preparation and the diagnosis of indoor environment quality, as well as a method for drawing up energy performance certificates based on the measurements

Zbigniew POPIOLEK, Przemysław KATEUSZ

Architecture, Civil Engineering, Environment , ISSUE 2, 125–132

Article

PERFORMANCE ASSESSMENT OF AIR CONDITIONING INSTALLATION IN MULTIFUNCTIONAL SPORTS HALL USING CFD SIMULATIONS

Piotr KOPER

Architecture, Civil Engineering, Environment , ISSUE 4, 123–134

Article

Design Heat Exchanger: Optimization and Efficiency

Haifa El-Sadi, Joe Aitken, Jason Ganley, David Ruyffelaert, Cam Sweeney

International Journal of Advanced Network, Monitoring and Controls , ISSUE 3, 30–35

Article

COOLING DEMAND IN MUSEUM PREMISES – NUMERICAL PREDICTION AND MEASUREMENT VALIDATION

weather station. The results of the study indicate the necessity to use cooling in the museum premises. Presented analysis of the heat loads, which can occur in the exhibition rooms, can be helpful in making the decision about the installation of air conditioning systems in the museum, especially when thermal renovation of the building is planned. Such system can guarantee proper protection of the exhibits as well as thermal comfort for visitors.

Joanna FERDYN-GRYGIEREK, Andrzej BARANOWSKI

Architecture, Civil Engineering, Environment , ISSUE 2, 125–135

research-article

MODELLING OF THE AIRFLOW IN THE PASSENGER COACH

– heat transfer coefficient, wm2·K RH – relative humidity, % w – velocity, m/s wmax – maximum velocity, m/s wmin – minimal velocity, m/s 1. INTRODUCTION Every day people spend a lot of time in public transport, for example buses, trams, trains or subways. To make their journey comfortable, appropriate thermal conditions must be provided by HVAC (Heating, Ventilation, Air Conditioning) systems. Thermal comfort is achieved when passengers perceive the air temperature, humidity, air movement, and

Izabela SARNA, Agnieszka PALMOWSKA

Architecture, Civil Engineering, Environment , ISSUE 4, 125–133

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