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Master in Engineering Design

ACADS - Cinema Case Study. Milestone 3. José Gaspar. 29 April 2005. Cinema Specifications:. Standard type: Commercial Cinema Type of Film: 35 mm Number of Seats: 308 Floor area: 266 m2 Height: 7m; Width: 14m; Depth: 19m. Master in Engineering Design. PT 103232.

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Master in Engineering Design

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  1. ACADS - Cinema Case Study Milestone 3 José Gaspar 29 April 2005 Cinema Specifications: Standard type: Commercial Cinema Type of Film: 35 mm Number of Seats: 308 Floor area: 266 m2 Height: 7m; Width: 14m; Depth: 19m Master in Engineering Design PT 103232 Milestone3

  2. Questionnaire(40 spectators) Cinema Statistics (Social & Economic Problems) • Public tolerable to spectator: • Some public (4.6) • Few public (4.4) • Room almost empty (3.6; 1,6) • A lot of public (3.6; 1) • Full Room (2.0) INE, 4T/2004 Room activity / total rooms ratio in the 4 T/04: 23% for cinema auditorium (medium dimension) 35% for cinema on shopping center (175 per session) 44% for polyvalent room (313 seat per session) Increase on room with minor dimension Mean room dimension: 216 seat Increase on number of screens: + 11% Increase on number of seat: + 8,1% Increase on film sessions: + 19,8% Decrease on number of spectators: - 11,1 % Decrease on ticket revenues: - 8,8% Ticket Mean Price: 4,1 euros • Ticket Reservation Aspects: • Room Area (4.2) • Specific Localization (4.4) • Corridor proximity (2.7) • Occupancy (2) • Exit proximity (2) Very Bad (1); Bad (2); Sufficient (3) Good (4); Very Good (5); Excellent (6) Milestone3

  3. Running costs (Efficiency Problem) Annual Fuel Consumption = (cte * Annual Load) / (cte2 *HCE* UE) [litre/annum] Annual Load= cte3 * (Degree-days) * FBC* FMO * FPO[MWh] (*) Building Standard Weights (or Weight/unit of floor area): 146,5 kg/m2 (Light); 341,8 kg/m2 (medium); 634,7 kg/m2 (Heavy) Milestone3

  4. ACADS Technical Solutions 266 m2 x 634,7 Kg/m2 > Σ Ai x 634,7 kg/m2 Prior Art - Single Zone Control: ACADS - MultiZone Control: • Large Control Volume • High Thermal Capacity • High Room Preheat energy • 8 Control Volume – “thermal isles” • 8 Low isle thermal capacities • 8 Low isle preheat energy • Room heated by isles Milestone3

  5. ACADS Impact on the Room Acclimatization 1. Operate only at total space (occupancy independent) 2. Big reaction time 3. Thermal steady state across time 4. Thermal unnatural and neutral world 5. Low performance and efficiency (part occupancy) 1. Operate on localized spaces (occupancy dependent); 2. Low reaction time; 3. Excellent performance and efficiency (part occupancy); 4. Richer space thermal experience; 5. Symbolic and cultural role; 6. Better sustainability; Milestone3

  6. ASD ASP AHU2 Ductwork sizing data • Max Airflow: 3960 m3/h • Insufflation ductwork: • Ø560, Ø400, Ø355 mm • Suction ductwork: • Ø710, Ø560 • Exhaust ductwork: • Ø710, Ø560 mm Equipment required to test different control alternatives: AHU1 CC RS • 8 zones to control, each one with a thermocouple; • 8 zones to control, each one with a modulating damper; • 2 PLC & instrumentation to control two VAV Air Handling Units; • Communication between PLC and the ticket management PC; • PLC expandable to experiment more alternatives or concepts during the development phase. CRP Rear MultiZone Air Supply (RS) AE Air Seat Diffuser (ASD) Front MultiZone Air Supply (FS) Air Handling Units (AHU) Air Handling Unit (AHU1) SP FS Ventilation Network (VN) Air Supply Plenum (ASP) AHU2 ASD AHU1 FRP SP AHU1 Ductwork sizing data: ASP VN FAS AHU1 AHU • Max Airflow: 5280 m3/h • Insufflation ductwork: • Ø630, Ø355, Ø280 mm • Suction ductwork: • Ø710, Ø560, Ø630, Ø560 mm • Exhaust ductwork: • Ø710, Ø630 mm AHU1 – Rear Half Room Air Floor Return Plenum (FRP) AHU2 – Front Half Room Ceiling Return Plenum (CRP) Fresh Air Supply (FAS) Eight Air Supply Plenums (SP) Air Exhaust (AE) Connecting Chamber (CC) Air MultiZone Supply System Milestone3

  7. ED closed CC TE RD opened TE Air Reclaim Damper (RD) Air Exhaust Damper (ED) Thermal Energy (TE) Connecting Chamber (CC) Ventilation Reclaim – Winter Operation From the Room To the Room Exhaust Air Fresh Air Milestone3

  8. HGSol HGSp W W TE Vent. Reclaim Plus – Winter Operation From the Room To the Room Solar Energy Exhaust Air Fresh Air • Window (W) opened before/after film session: • Natural light; • Artificial light reduction; • - A new experience. Heat gained from spectator energy (HGSp) Heat gained from solar energy (HGSol) Heat reclaim from HGSp & HGSol balance Milestone3

  9. Heat Exhaust/Free Cooling – Summer Op. From the Room To the Room Exhaust Air Fresh Air Milestone3

  10. System Sizing & Energy Simulations • Hourly Analysis Program, version 4.22a, Carrier • FlexAir, Carrier • …. ACADS ACADS as a “MultiZone system without internal walls“ Milestone3

  11. Collaborative Product Development Cinema Owners HVAC Designers & Experts Sponsors HVAC Control Services Milestone3

  12. Milestone3

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