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===Types of solar hot water heaters=== | ===Types of solar hot water heaters=== | ||
All solar hot water heaters use collectors, which are the panel like components of the system, and storage tanks, which hold the water itself. However, only active systems use circulating pumps, while passive systems do not use any pumping mechanisms or controls. <ref name= | All solar hot water heaters use collectors, which are the panel like components of the system, and storage tanks, which hold the water itself. However, only active systems use circulating pumps, while passive systems do not use any pumping mechanisms or controls. <ref name=http://energy.gov/energysaver/articles/solar-water-heaters.</ref> | ||
====Type 1: Active==== | ====Type 1: Active==== | ||
Revision as of 01:54, 9 February 2014
Background
Bayside Park Farm is a local CSA, (Community-Supported Agriculture establishment) which is supported by the community and provides fresh organic produce to members and shareholders. Bayside was formed by Humboldt State Professors, started farming in 1993 and was the first CSA in Arcata. It is also a community park and demonstration site for permaculture farming and appropriate technology. Bayside Park Farm is located on 930 Old Arcata Road.
Our ENGR305 team (Trevor, John, and Annika) chooses to help the farm rebuild their solar hot water heater for the outdoor sink and vegetable washing station. It was disassembled and never rebuilt; we will determine what parts are in working order and possibly improve the system if it is easy to get back in working condition.
Problem statement
The objective of this project is to reassemble the Bayside Park Farm solar hot water heater and connect it to the sink in the new wash station in a way that it will be easy to maintain and will be effective to the farm's needs.
Criteria
The following criteria are based off of a scale from 1 to 5, 5 being the most crucial and 1 being the least.
| Criteria | Constraint | Weight |
|---|---|---|
| Water temperature | Warm enough to wash vegetables with, not hot enough to scald hands | 5 |
| Hot water duration /
Total heat capacity |
At least 30 minutes of continual usage | 5 |
| Washing station
efficiency |
Must be more efficient than the current kitchen sink | 2 |
| Maintenance /
documentation |
Must be easy to understand by farm staff with no prior solar hot water experience and provide some trouble shooting information | 5 |
| Educational physical infrastructure | Should provide signs and additional information on the project that the farmers can reference when giving tours. | 4 |
| Cost | Should remain within budget. | 3 |
Literature Review
This is a review of the available literature pertinent to the solar hot water heater at the Bayside Park Farm.
Solar hot water basics
Paragraph on the basics. [1]
Solar hot water concerns
Short paragraph on the concerns.[2]
Types of solar hot water heaters
All solar hot water heaters use collectors, which are the panel like components of the system, and storage tanks, which hold the water itself. However, only active systems use circulating pumps, while passive systems do not use any pumping mechanisms or controls. <ref name=http://energy.gov/energysaver/articles/solar-water-heaters.</ref>
Type 1: Active
Type 2: Passive
[3]
Designing interpretive materials
According to ______ interpretive materials for composting should include....