What the basic Net Zero Energy Building Terms used in Design
The main Net Zero Energy Building Terms used in Designs are :
1,) Net Zero Energy Building Energy Models are virtual e models of the building which is based on building physics and it uses a baseline model and compares the energy savings with the proposed model. Interpreting the results will make the difference. Read the 10 types of energy saving model in this blog
The Energy performances are to be controlled through-out the delivery process tracking for net zero energy performance?The entire design team should interface with the energy model for energy modeling to be successfully achieved as an end to the energy model.
Inputs such as OTTV, RTTV, air con loads, temperature set points , outside ambient temperatures, and details about systems will help the energy model to be accurate.A white box model/shoe box model helps to analyze the daylight and energy performances. A white box model is a simple 3 d electronic model of a building without much details of the building.merely showing the overall shape of the building, and the insulation material will be shown.
These Net Zero Energy Building Energy Models can be created by Sketch up plug in such as IES Virtual Environment and Energy Plus and Open Studio.This model study is possible with VE( mass, window/wall ratios).In the future, the Thermal comfort models may be designed for designing purposes.Other Tools box that can be useful are–Weather Maker, sketch up, eQuest, IES Virtual Environment(VE), TRNSYS and THERM
The basic Net Zero Energy Building Terms used in Designs
2.) Energy-energy is a property of objects which can be transferred to other objects or converted into different forms, but cannot be created or destroyed.
The types of Energy are – Kinetic Energy, Potential Energy, Mechanical Energy,Gravitational Energy, Nuclear Energy, Chemical Energy, Electricity Energy, Motion Energy, Thermal Energy, Radiant Energy and Sound Energy.
3.) Law of Thermodynamics states that:
a)Energy cannot be created or destroyed, the sum energy of the universe is constant.
b)Law of Entropy, that energy flow from hot to cold
4.) Power is the rate of doing work or transfer of energy, P=W/t, SI for power is Joules per sec(Watt), a LED using 1watt diode uses 1-watt energy for 1hour
5.) Horse Power is to measure mechanical power,
6.) Btu is heat used to raise the temperature by 1 pound of water by 1 degree F.MBtu is the power to cool and heat water for air con.
Megawatt hour is electrical energy
7.) Photo-voltaic Solar panels convert radiant energy to electrical energy and thermal energy.
8.) pls read here Super Insulation,
9) pls read here Solar Path
10) pls read here Renewable Energy
11) pls read here BAS Systems
12) pls read here Shading
13) pls read here Orientation of Building
14) pls read here LED lighting
15.) pls read here Energy Bill
16,) pls read here Peak Loads
17.) pls read here Conductance,Conductivity,Resistivity, Resistance
check out our Net Zero Energy House Plans
check out our Seminar for Net Zero Energy and Net Zero Emission Building Seminar
Prepared by Green Architect Architect Perumal Nagapushnam, http://www.sda-architect.com/
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Models for Net Zero Energy Buildings are used by Net Zero Architects to calculate the amount of energy saving in the schematic stages of the design, which then are used as a basis of energy design control through out the design implementation stages.The model is a 3-D electronic model of a building, it is also a simplified model without much details of the building, which will help calculate the calculation intentions. It is refereed as a shoe box model. There are many types of models used in designing a Net Zero Energy Building design.There are 11 types of Energy Model, which are:
1.) Heat Transfer model for Net Zero Energy Buildings in House Floor Plans
Model show that show how the heat is transferred from the outside to the interiors of the building architectural floor plans.
2.) Lighting model for Net Zero Energy Buildings in House Floor Plans
Model showing how the day light penetrates top the interiors of the building and it helps Architect to design the light fittings in the building architectural layout outs.
The study of a the lighting levels through out the day would show the amount of light derived from the sun into the building and it helps the Net Zero Energy Buildings Architects to design the additional lighting need ed to make the building sufficiently lighted up.
The amount of light that can be daylight harvested can also be studied, note the amount of light lux derived from the sun is about 100,000-140,000 lux in comparison to what is needed in the office space is only a merger 400lux, the potentials of day light harvesting has to be considered seriously in the light of the current worldwide needs.
3.) BIM Model-Building Information Model for Net Zero Energy Buildings in House Floor Plans
A digital computerized model, which has information about clashes of the architectural and engineering elements, it provides information about costing, and when plug-in with time project management time line program, we are able to produce the physical model developing over the time line of the builder. The model can be used to study the thermal heat, energy model and total embodied energy of the building architectural plans. This is a great tool for architects and project management consultants.
4.) Energy Model for Net Zero Energy Buildings in House Floor Plans
–A simple model used for computerized computation of the energy usage in the building for every month or per year based on the climate conditions, and the building insulation and orientation for buildings. A designing tool, which is helpful to Net Zero Energy Buildings Architects in choosing the mass proportion and selection of materials.
5.) Wind Model for Net Zero Energy Buildings in House Floor Plans
– A simple model used for computerized computation of the direction of the wind into the building based on the openings of the buildings. It will help Net Zero Energy Buildings Architects to decide where openings shall be created to enable wind to be harvested.
6.) CFD-for Net Zero Energy Buildings in House Floor Plans
Computerized Fluid Dynamics is a study of the flow of air in a building, where the direction is established and the comfort is designed and it is a tool for Net Zero Energy Buildings Architects to remove impediments to comfort. It helps the architects to design buildings of how the heated air flows, how the ventilation of air flows throughout the building.
7.) Massing and Study Model for Net Zero Energy Buildings in House Floor Plans
-a model used by Net Zero Energy Buildings Architects to evaluate the proportion, the shape , bulk , form aesthetics and how the form affects the environment.
8.) Thermal Model for Net Zero Energy Buildings in House Floor Plans
– a model which reveal the sides of the building, where is heated up during the day. With the Thermal model the building designer may be able to decide how the building may be treated or insulated to keep the thermal heat from entering in to the building.
9.) Solar Path Model– for Net Zero Energy Buildings in House Floor Plans
The path of the sun through out the year, and how it affects the building’s shadow and how it affects the sun’s rays into the window openings and show how the sun’s ray falls on the building and the building’s shadows is cast and how the neighboring building’s shadow affect the building that is being designed.
10.) Ventilation Model– for Net Zero Energy Buildings in House Floor Plans
The study of wind and movement of air within the building
Contact us for your NZEB designs..we will be able to help you in the interest to secure the building in being less independent to the energy utility companies.check out our house floor plans.
Prepared by Net Energy Architect Perumal Nagapushnam, Green Architect of http://www.sda-architect.com/
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