Air Conditioning Load Calculators for Efficient Planning, Installation and Maintenance of Building Services
Whether
you run a small business or a large corporation, there are numerous activities
that must be coordinated in order for it to function optimally. Building
services software allows you to plan the installation and maintenance
activities of a building in an efficient manner. Building services software, such as an air conditioning load
calculator, assists building engineers and maintenance managers in their daily
operations by centralising many different steps of HVAC facility management,
such as planning, installation and implementation, repair scheduling, cost
management, and compliance standards.
HVAC
engineers should perform numerous complex and advanced engineering
calculations. The air conditioner's cooling output exceeds the heat gain of the
space. The air conditioning load calculator provides building engineers with an
appropriate value of this heat gain to assist them in determining the best
cooling solution. Many other factors, such as window shading, the size of the
space that needs cooling, the number of people who occupy the space, heat from
electrical equipment, machinery, and plant, location of premises, and thermal
properties of the building, are taken into account by the air conditioning load
calculator.
Air
conditioning load calculator provides quick and accurate calculations with
simulations for quick HVAC system installation. Some of the most popular air
conditioning load calculators used by building engineers in Australia and
around the world are listed below:
CAMEL air conditioning load calculator
The
leading building services software company ACADS-computer BSG's program CAMEL
calculates the design heating and cooling loads, as well as the associated
psychrometrics, for air conditioning plants in buildings. The air conditioning
load calculator simulates a variety of system types, including constant volume
heating and cooling, variable volume heating and cooling with and without
reheat, reverse cycle heat pumps, and evaporative coolers. It accommodates
overhangs with drop panels and reveals on both windows and walls. Roof shading
and shading from adjacent buildings can also be modeled in the CAMEL computer
program.
Other
key features of CAMEL air conditioning load calculator include:
- The computer program performs
an hourly cooling load analysis, taking into account thermal storage, on a
design day in each month of the year.
- Specific monthly 3 pm design
dry and wet bulb temperatures are available in CAMEL computer program for over
600 locations in Australia and for many offshore locations.
- It performs a psychrometric analysis of each AHU with the coil performance expressed as a by-pass factor, leaving coil temperature or nominated air quantity including fixed bypass and dump back systems.
- Fresh air quantities can be entered at room temperature in CAMEL air conditioning load calculator at room or zone level as I/s/person with the plant fresh air quantity then determined using the Compartment formula from AS1668-1991 for multiple rooms/zones.
- Precalculated “U values” and
surface densities for a wide range of standard wall and roof constructions are
available in CAMEL computer program.
KOALA for air conditioning load estimation
KOALA
is a computer program that estimates air conditioning loads in small buildings.
The KOALA air conditioning load calculator software generates a load chart for
up to ten zones in a building. This simplified version of the CAMEL air
conditioning load calculator generates a detailed load chart outlining the
input and design data used to generate each individual component of the load.
Other
key features of the KOALA air conditioning load calculator are provided below:
- Monthly critical or comfort,
summer and winter design conditions for over 600 locations in Australia and for
many locations in New Zealand, Papua New Guinea and South East Asia are readily
available in KOALA through a drop-down list.
- raphics are provided on the
windows and external walls and roof screens to assist users with checking their
input data.
- he computer program
calculates internal loads including people, lights and equipment loads, for
both sensible and latent loads.
- he computer program KOALA can
be used to analyse buildings in the Northern and Southern Hemisphere. The users
can enter their own design conditions for locations not provided in the air
conditioning load calculator KOALA.
- he results of KOALA air
conditioning load calculator include a cooling and heating load chart for each
zone.
- Templates are provided in
KOALA for a number of preset result selections.
- Contact sensitive help is
available for all items of input.
· Summary results and tables can
be individually selected using checkboxes in KOALA air conditioning load
calculator to build up a print file. The tables include the summary results for
each zone, and tables of cooling loads and air quantities for each zone and for
the sum of all zones.
PYTHON for the design of water piping systems for air-conditioning, LLAMA for lift design for commercial buildings, WOMBAT for sound transmission in and around buildings, DOLPHIN for sizing and pressure drop calculations for duct runs, and many more are examples of useful building services software from ACADS-BSG
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