View
216
Download
0
Category
Tags:
Preview:
Citation preview
Local Absorption Chiller Plant with Parametric Energy
Studies
Bellevue Ambulatory Care PavilionNew York, NY
AE 882 Senior ThesisThe Pennsylvania State University
Department of Architectural Engineering
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation Overview
Existing Building ConditionsFocus of Mechanical Redesign
Integration of Local Absorption Chiller PlantParametric Energy Studies
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
-Building Overview-Existing Mechanical Systems
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Building Overview
Located in New York, NY between 1st Avenue and FDR Drive
Total Building Cost = $73,354,301
Outpatient Care Facility
213,161 SF – 5 Stories with Basement and Mechanical Penthouse
Supplement to Bellevue Hospital Center
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
-Building Overview-Existing Mechanical Systems
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Building Overview
New Grand Entrance
Connecting Atrium with Modified Facade
Skylight Truss System
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
-Building Overview-Existing Mechanical Systems
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Existing Mechanical Systems - Cooling
Previously Installed Chiller Plant
Off-Site Cooling Tower Modules – (8) Axial Fan, 3250 GPM Towers
Off-Site Chiller Plant – (4) 2500 ton Electric Centrifugal Chillers
Primary/Secondary Pumping to Both Buildings
(6) 40,000 CFM, Dual Axial-Fan AHU’s in Mechanical Penthouse
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
-Building Overview-Existing Mechanical Systems
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Existing Mechanical Systems - Heating
Utilization of Municipal Steam – Con Ed
Steam Pressure Reduction Station
(2) 450 GPM Shell and Tube Heat Exchangers for Fin-Tube Radiation
Low Pressure Steam for AHU Heating Coils
Duplex Condensate Pump Return System
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign -Local Absorption Chiller Plant
-Parametric Energy Studies
Integration of Local Absorption Chiller PlantParametric Energy Studies
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Focus of Mechanical Redesign
Local Absorption Chiller Plant
• Reduction in Utility Consumption and Cost?
• Suitable Payback Period?
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign -Local Absorption Cooling Plant
-Parametric Energy Studies
Integration of Local Absorption Chiller PlantParametric Energy Studies
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Focus of Mechanical Redesign
Parametric Energy Studies
• Comparison of Chiller Performances
• Existing Pump System (P/S) vs. Redesigned System (VPF)
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Two-Stage Steam-Fired Absorption Chillers
• Absorber, Solution Pump, Heat Exchangers, Generators
• High Pressure Steam Supply for High Stage Generator
• More Cooling Production through Higher Temperature
• Supplemental Cooling Production through Second Generator
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• New Equipment Location
• Steam Supply and Return
• Standards and Codes
• Other Considerations
Penthouse Level
Roof Level
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• New Equipment Location
• Steam Supply and Return
• Standards and Codes
• Other Considerations
Additional Pressure Reduction Valves
Condensate Return to Duplex Pump System
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• New Equipment Location
• Steam Supply and Return
• Standards and Codes
• Other Considerations
ASHRAE Standard 15-2007:Safety Standards for Refrigeration Systems
Reference Standard 13:Mechanical Ventilation, Air Conditioning, and Refrigeration
Systems
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• New Equipment Location
• Steam Supply and Return
• Standards and Codes
• Other Considerations
Noise and Vibration
Structural Integrity
Future Maintenance
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• Existing Chilled Water Loop
• Redesigned Chilled Water Loop
Existing Redesigned
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Design Criteria and Methodology
• Two-Stage Steam-Fired Absorption Chiller Selection
• Axial-Fan Cooling Tower Selection
Manufacturer: TraneModel: ABTF-850
Capacity: 915 tonsRated COP: 1.24
Manufacturer: TraneModel: TQ8311KL-1Capacity: 1016 tons
GPM: 3498
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
$0.00
$20,000.00
$40,000.00
$60,000.00
$80,000.00
$100,000.00
$120,000.00
$140,000.00
Steam (Existing)Steam (Re-designed)
Integration of Local Absorption Chiller Plant
Energy and Cost Analyses
• Steam Consumption and Utility Cost
• Electric Consumption and Utility Cost
• Yearly Savings
• Initial Cost Additions and Reductions
• Simple Payback Period
Monthly Steam Consumption Cost
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
$0
$20,000
$40,000
$60,000
$80,000
$100,000
$120,000
$140,000
$160,000
Redesigned
Existing
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Energy and Cost Analyses
• Steam Consumption and Utility Cost
• Electric Consumption and Utility Cost
• Yearly Savings
• Initial Cost Additions and Reductions
• Simple Payback Period
Monthly Electric Consumption - kWh
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Energy and Cost Analyses
• Steam Consumption and Utility Cost
• Electric Consumption and Utility Cost
• Yearly Savings
• Initial Cost Additions and Reductions
• Simple Payback Period
$167,299.21 per year
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Initi
al $
Year
ly $
Reduc
ed $
$0
$200,000
$400,000
$600,000
$800,000
$1,000,000
$1,200,000
$1,400,000
$1,600,000
$1,800,000
$2,000,000Piping
Centrifugal Chiller
Maintenance
Supervision
New Construc-tion
(2) Cooling Towers
Start-Up
Installation
(2) Chillers
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Energy and Cost Analyses
• Steam Consumption and Utility Cost
• Electric Consumption and Utility Cost
• Yearly Savings
• Initial Cost Additions and Reductions
• Simple Payback Period
Reductions
Yearly
Initial
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical Redesign
Integration of Local Absorption Chiller Plant -Two-Stage Steam-Fired Absorption Chillers
-Design Criteria and Methodology-Energy and Cost Analyses
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Integration of Local Absorption Chiller Plant
Energy and Cost Analyses
• Steam Consumption and Utility Cost
• Electric Consumption and Utility Cost
• Yearly Savings
• Initial Cost Additions and Reductions
• Simple Payback Period
$167,299.21 per year
$12,299.21 per year
4.15 years 56.41 years
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
$10.83/SF $10.04/SF $62.66/SF $65.92/SF
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Centrifugal Chiller vs Absorption Chiller Performance
• Two-Stage Steam-Fired Absorption Chiller Schematic
• Specified Conditions
• Kilowatt per Ton Comparisons
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Centrifugal Chiller vs Absorption Chiller Performance
• Two-Stage Steam-Fired Absorption Chiller Schematic
• Specified Conditions
• Kilowatt per Ton Comparisons
Refrigerant Phase and Associated Enthalpies
Refrigerant Pressures
High-Stage and Low-Stage Generator Temperatures
Absorber, Condenser and Evaporator Pressures
Lithium Bromide (LiBr) Solution Concentrations
Mass Flow RatesDavid Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Centrifugal Chiller vs Absorption Chiller Performance
• Two-Stage Steam-Fired Absorption Chiller Schematic
• Specified Conditions
• Kilowatt per Ton Comparisons
00.250.5
0.751
1.251.5
1.752
kW/ton (Redesign)kW/ton (Existing)
GPM
KW/ton as a Function of Evaporator Flow
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Primary/Secondary Flow vs. Variable Primary Flow
• Pump Selection
• Developed Equations
• Total Efficiency and Total Power Comparisons
Bell and Gossett
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Primary/Secondary Flow vs. Variable Primary Flow
• Pump Selection
• Developed Equations
• Total Efficiency and Total Power Comparisons
Pump Head
HPUMP = 132∙(N/1750)4 + 0.005547∙(N/1750)3∙QP – 0.00004533∙(N/1750)2∙QP2 + (4.178E-
08)∙(N/1750)∙QP3 – (2.5E-11)∙QP
4
Pump Efficiency
η PUMP = 0.21∙(N/1750)4 + 0.001755∙(N/1750)3∙QP – (2.143E-06)∙(N/1750)2∙QP2 + (1.475E-
09)∙(N/1750)∙QP3 – (4.89E-15) ∙QP
4
Drive Efficiency
η DRIVE = 0.52 + 1.763∙(N/NDES) – 6.021∙(N/NDES)2 + 13.8∙(N/NDES)3 – 15.1∙(N/NDES)4
Motor Efficiency
η MOTOR = 0.3101 + 3.241∙(PSHAFT/PNAME) – 6.735∙(PSHAFT/PNAME)2 + 6.372∙(PSHAFT/PNAME)3 – 2.293∙(PSHAFT/PNAME)4
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies -Centrifugal vs. Absorption Chiller
-P/S Flow vs. VPF System
Structural Breadth – Brief OverviewArchitectural Breadth
Conclusions and Reflections
Parametric Energy Studies
Primary/Secondary Flow vs. Variable Primary Flow
• Pump Selection
• Developed Equations
• Total Efficiency and Total Power Comparisons
Q (16
032
048
064
080
096
011
2012
8014
4016
0017
6019
200
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
eta_totaleta_total,new
Q (16
032
048
064
080
096
011
2012
8014
4016
0017
6019
200
10
20
30
40
50
60
Total Power (kW)New Total Power (kW)
η
KW
Total Efficiency as a Function of GPM
Total Power as a Function of GPM
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy Studies
Structural Breadth – Brief Overview
Architectural BreadthConclusions and Reflections
Structural Breadth
Brief Overview
New Equipment = Structural Redesign
Existing and New Loads into RAM Structural Model
Additional Steel Volume, Members and Costs
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Existing Entrance Lobby Layout and CFD Model
• The Problem
• CFD Simulation (Pheonics)
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Existing Entrance Lobby Layout and CFD Model
• The Problem
• CFD Simulation (Pheonics)
CFD Simulation in Existing Entrance Lobby – Velocity Profile
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Redesigned Entrance Lobby Layout and CFD Model
• The Solution
• Large Diameter Revolving Door
• CFD Simulation (Pheonics)
• Results and Architectural Significance
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Redesigned Entrance Lobby Layout and CFD Model
• The Solution
• Large Diameter Revolving Door
• CFD Simulation (Pheonics)
• Results and Architectural Significance
Manufacturer: DORMA Entrance Systems
Model: KTC-4 (18’-0” diameter)
Traffic Capacity: 4320 and 2880 (1 and 2 way)
Clear Escape Passage Width: 11’-8”
Continuous Speed: 1 rpm
Occupied Speed: 3 rpm
Handicapped Speed: 2 rpm
Standard Compliance: ADA, ANSI 156.27
Cost: $127,200David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Redesigned Entrance Lobby Layout and CFD Model
• The Solution
• Large Diameter Revolving Door
• CFD Simulation (Pheonics)
• Results and Architectural SignificanceCFD Simulation in Existing Entrance Lobby – Velocity Profile
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth-Existing Entrance Lobby Layout and CFD Model
-Redesigned Entrance Lobby Layout and CFD Model
Conclusions and Reflections
Architectural Breadth
Redesigned Entrance Lobby Layout and CFD Model
• The Solution
• Large Diameter Revolving Door
• CFD Simulation (Pheonics)
• Results and Architectural Significance
Reduction in Excess Air Flow: 71.43%
Reduction in Energy Costs: $23,754 yearly
Simple Payback Period: 5.35 years
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Presentation OutlineExisting Building Conditions
Focus of Mechanical RedesignIntegration of Local Absorption Chiller Plant
Parametric Energy StudiesStructural Breadth – Brief Overview
Architectural Breadth
Conclusions and Reflections
Conclusionsand
Reflections
Local Absorption Chiller PlantVery Energy Efficient but Economically Impractical
Energy Savings Kilowatts per Ton used by Chillers, Pumping Efficiency and
Power main sources of energy efficiency
New Lobby LayoutDraws more attention and reduces wasted energy and utility
costs
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
AcknowledgementsProject Sponsor – Cosentini Associates (New York, NY)
Dominick DeRobertis, P.E. – Senior Vice PresidentMarvin Mass, P.E. – Chairman
Douglas C. Mass, P.E. – President
Bellevue Hospital CenterFara Tabaei – Senior Associate Executive Director
Patrick O’Brien – Facilities Manager
Trane Commercial SystemsJames Kusick – Engineering Account Manager
DORMA Entrance Systems
Jack Pederson – Inside Sales Representative: Sales Leader
AE FacultyJelena Srebric, PhD
William P. Bahnfleth, PhD, P.E.
StudentsStephen Lumpp and Jamison Morse
Most of all, I acknowledge my parents and sister, who have given me immeasurable love and support.
Questions?
Bellevue Ambulatory Care Pavilion Project Teams:• MEP – Cosentini Associates:
Consulting Engineers• Structural – Leslie E.
Robertson Associates, RLLP• CM – Turner Construction• Owner – Dormitory Authority
State of New York• Client – Health and Hospitals
Corporation
David Sivin – Mechanical
Bellevue Ambulatory Care Pavilion AE 882 Senior Thesis Faculty
Advisor: Dr. Jelena Srebric
The Pennsylvania State University
Recommended