Floor-Supply Air-Conditioning System in a Theater Hall

Floor-supply air-conditioning system with Coanda effect is introduced to a theater hall. This system supplies air from floor diffusers set beneath the seat backrest in front of occupants. Supplied air moves upward along the backrest board inducing the circumambient air resulted in airflow temperature difference reduction. Thermal environment was measured under various heat load conditions in the theater hall. Supply air flow along and radiation effect from the seat backrest in front were confirmed using the floor-supply system.

Development and application of an indoor air quality audit to an air-conditioned tertiary institutional building in the tropics

This paper is the presentation of the development and application of an IAQ audit methodology applied in tertiary institutional buildings in the tropics. For that study, a staff room and a typical lecture theatre have been selected.The IAQ audit consisted in monitoring thermal comfort parameters. In parallel the staff and students have answered a questionnaire to give a subjective assessment of the indoor air quality.The IAQ results will be then used to develop an IAQ database for institutional buildings in Singapore.

Thermal comfort study of an air-conditioned lecture theatre in the tropics

Objective measurement, CFD modelling and subjective assessment have been used in that study to evaluate the thermal comfort of an air-conditoned lecture theatre in the tropics. The simulated parameters are temperature, airflow rate and relative humidity.The parameters were found in the limits of the comfort standard. Occupants' vote show that they were uncomfotable and dissatisfied.

Numerical simulation of air distribution in chair ventilated rooms by simplified methodology

A simplified methodology for numerical simulation of air flows around and above ventilated chairs in a theater or auditorium has been developed. It uses a simplified method for describing the air diffuser geometry (N-point momentum model), a simplified turbulence model (zero-equation turbulence model) and an error pretreatment method. It has been applied to a room ventilated through air supply openings in the chair bases. Simulation results (air temperature and velocity distributions) show good agreement with experimental data.

The design of assisted naturally ventilated theatres.

As experience with assisted naturally ventilated buildings has increased designers have extended the approach to larger and more demanding building types. This paper looks at two very different theatre projects where assisted natural ventilation systems have been designed, examines the design tools used, illustrates the solutions and shows how the built form was influenced.

Natural ventilation of the contact theatre.

This paper describes the design and development of the natural ventilation system of the new Contact Theatre Complex Manchester, UK, designed by A Goldrick of Short Ford Associates. The ventilation design is based on a stack dominant system using an "H-Pot" chimney configuration. The paper describes the development of the ventilation design of both the studio theatre and main auditorium ventilation systems.