Project Readiness Package Rev 5/22/12
Administrative Information:
· Project Name (tentative): / Ritter Arena: Using Ice to Reduce Temperature in Cooling Tower Loop· Project Number, if known: / P12420
· Preferred Start/End Quarter in Senior Design:
Fall/Winter / Fall/Spring / Winter/Spring· Faculty Champion: (technical mentor: supports proposal development, anticipated technical mentor during project execution; may also be Sponsor)
Name / Dept. / Email / PhoneDr. Mario Gomes / ME / / 585-475-2148
For assistance identifying a Champion: B. Debartolo (ME), G. Slack (EE), J. Kaemmerlen (ISE), R. Melton (CE)
· Other Support, if known: (faculty or others willing to provide expertise in areas outside the domain of the Faculty Champion)
Name / Dept. / Email / Phone· Project “Guide” if known:
Dr. Mario Gomes (ME)
· Primary Customer, if known (name, phone, email): (actual or representative user of project output; articulates needs/requirements)
Richard Stein, HVAC System Engineering Support Manager, 585.475.4351,
· Sponsor(s): (provider(s) of financial support)
Name/Organization / Contact Info. / Type & Amount of Support CommittedProject Overview:
Currently RIT consumes large amounts of energy, and 20% - 30% of the total energy usage is due to poor behavior. To scope down this, the focus of the project is the Ritter Ice Arena, which is one of the buildings that consume most of the energy on campus, and at the same time it can be considered a very inefficient building.
The Ice Arena consist on three different water loops; cold water to make the ice, warm loop to prevent freezing of the underslab, and warm loop to cool down the pumps (Cooling towers loop). The goal is to reduce the energy consumption in the Cooling Towers by reducing the temperature of the water in the loop by using the ice dumped by the Zamboni. To do so, a heat exchanger will be incorporated to the loop.
The following PRP will present the information gathered, and a brief analysis of it.
Detailed Project Description:
· Customer Needs and Objectives:
Customer Need # / Importance / DescriptionCN1 / 3 / Reduce energy consumption
CN2 / 1 / Easy and intuitive to use
CN3 / 2 / Safe for human operation
CN4 / 1 / Easy to maintain
CN5 / 3 / Low operating costs
CN6 / 2 / Little downtime
CN7 / 2 / Resistant to working conditions
CN8 / 2 / Only one initial investment
CN9 / 1 / Sufficient capacity for game-day ice volume
CN10 / 3 / Automatic temperature monitoring and system adjustment
CN11 / 3 / Easy input of raw material (ice)
CN12 / 1 / Feasible size
CN13 / 1 / Low maintenance costs
CN14 / 2 / Realistic payback period
CN15 / 1 / Able to use together with cooling tower
CN16 / 1 / Provide support to cooling tower
· System Overview:
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Project Readiness Package Rev 5/22/12
· Functional Decomposition:
· Function Interface:
BLUE: Interface 1 – Elaborate system that will effectively output water at the desired temperature.
GREEN: Interface 2 – Plan that will provide ice pile to interface 1 given the transport constraints.
RED: Interface 3 – Use of by product of interface 1 in current cooling tower loop system.
Specifications (or Engineering/Functional Requirements):
S1 / CN2, CN5, CN7, CN9, CN11 / Input / Ice Input from Zamboni / Cubic Feet / 180
S2 / CN15, CN16 / Analysis / Warm Water Input Flow / Gal/min / Related to water pump flow rate and specifications
S3 / CN15 / Monitoring / Warm Water Input Temperature / Degrees F / 65-95 / 65 / Data obtained from current system
S4 / CN1, CN15, CN16 / Monitoring / Cold Water Output Temperature / Degrees F / 45-55 / 55 / Data obtained from current system
S5 / CN5, CN9, CN12 / Installation / Tank (Heat Exchanger) Size / Cubic Feet / >150 / 180
S6 / CN10, CN15 / Monitoring / Pump Flow Rate / Gal/min / 810 / Depends on heat exchange capacity and rate. It relates to the maximum and minimum heat transfer rate of the system
S7 / CN10 / Monitoring / Pump Flow Adjustment Time / Seconds / <120s / 60s / Is the time from when temperature readings are taken and water flow is adjusted to get desired outflow water temperature
S8 / CN10 / Monitoring / Melted Ice Temperature / Degrees F / When the heat exchanger begins to be inefficient because the heat transfer has become to small due to warming of melted water
S9 / CN10 / Analysis / Melted Ice Output Flow / Gal/Min
S10 / CN1, CN5, CN14 / Installation / Electrical Power / KJ / Required for the pumps and the electrical system
S11 / CN8, CN13 / Installation / Sensor + Electrical Lifetime / Years
S12 / CN8, CN13 / Installation / Heat Exchanger Lifetime / Years
S13 / CN4, CN7, CN9, CN12 / System / Dimensions / Cubic Meters / 4.00 / 4.86 / Based on daily input ice from Zamboni on a regular day (non-game day)
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Project Readiness Package Rev 5/22/12
· Constraints:
- Must determine an effective way to get the ice from Zamboni into the system.
- During winter the system can be restricted due to the possibility of freezing.
- The water table under the Ice Arena might limit the possibility of digging to implement the system.
- Scaling the model to proof concept might encounter problems due to complexity of system.
- Integrating proposed system to existing one can be challenging due to lack of space.
· Project Deliverables:
- 3D scaled model
- Temperature model for tested data
- Temperature interface specifications and control system
- Bill of materials
- Estimate costs for large scale model
· Budget Estimate (Scale Model);
$700
· Intellectual Property (IP) considerations:
As a federally funded project, any IP generated as a result of this project will belong to RIT
Student Staffing:
· Anticipated Staffing Levels by Discipline:
Discipline / How Many? / Anticipated Skills NeededEE / 1 / EE 1: Design the temperature reading system and integrate to the project working together with the CE 1.
ME / 3 / ME 1: Determine heat exchange rates between ice and water, water flow rates and the requirements the system needs do have to fulfill the specifications in water temperature.
ME 2: Design the ice container and the heat exchanger, according to the specifications working together with ME 1 to validate theoretical calculations.
ME 3: Model the system using computer-based software. Collaborate with ME 1 and ME 2. Determine and acquire the components needed in the system.
CE / 1 / CE 1: Elaborate system that will command water flow according to the temperature readings, and the water flow specifications determined by the team. Work together with the EE 1.
ISE / 1 / ISE 1: Elaborate design according to the requirements so the design fits the designated space. Work on ergonomic and human factors for the system and focus on system integration.
Other Resources Anticipated:
Category / Description / Resource Available?Faculty / EE, CE consultants
ME consultant
Environment / MSD Design Center
EE Senior Design lab
Machine Shop & Brinkman lab
Equipment / 2010-11 tactile interface device
Materials / RFID reader, antenna, tags
2010-11 tactile interface team documentation
Other / 2010-11 navigation team documentation
Prepared by: / DIEGO GUINEA / Date: / 5/22/12
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