EDA, Incorporated

Equipment Sizing Calculations

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Equipment Data Sheets

The data sheets below can be filled out and then printed out for traditional submittal to suppliers (, or they can be sent directly to the suppliers electronically in order to receive a quote. Use the data sheets below if you have already calculated the parameters determining your equipment specification. If you need help making these initial calculations click on the "application" links for each data sheet noted below to go to a program to assist you in this.

Generate Data Sheets and/or Request Quotes Support Calculations

References

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The following links have been reviewed and approved to be the best engineering information available on the internet, so please enjoy and if you have a better link of engineering information, email it to SiteManager@edasolutions.com .

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Heat Exchanger Data Sheet

Use the above data sheet to specify a heat exchanger that you have already determined the operating conditions for. 

If you would like interactive help in determining these conditions see 

On-Line Heat Exchanger Sizing

How to Use the On-line Heat Exchanger Design Program

Use of this program is very simple. Just input the information about your heat transfer application and click the "Calculate Heat Transfered" button at the end of he form. A window will then come up showing you all the results. To change an input simply hit your browser's "Back" button, change the data as needed, and click the "Calculate Heat Transfered" button again.

After the results are shown you can then use the "copy and paste" functions on your browser to transfer this information to other applications, or you can click on the "Would you like a Data Sheet or Quotation on this Exchanger?" button and a data sheet will be generated. You can then print out this data sheet, and/or submit it directly to your choice of vendors listed at the bottom of the form. To submit this data sheet for quotation, check the vendors you want to recieve information from then click the "Submit Heat Exchanger for Quotation" button. Your heat exchanger information will then be forwarded to the vendors you requested. They will then be contacting you with details on a heat exchanger to meet your specific needs.

Technical References and Assumptions

This program is designed to calculate the required heat transfer and required material flow rate or outlet temperature (depending on the type of application).

The basic heat transfer calculations on which these results are based can be found in any heat transfer textbook. One exellent one is:

KernD.Q, Process Heat Transfer, McGraw-Hill, 1990.

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Element/Bag Filter Data Sheet

Use the above data sheet to specify a element or bag filter that you have already determined the operating conditions for.

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Fan and Blower Data Sheet

Use the above data sheet to specify fans or blowers for industrial or commercial applications. If you need help determining the operating properties of a new or existing fan see 

On-Line Fan Calculations and Properties

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On-Line Duct Friction Loss and Velocity Pressure Calculation 

Use of this program is very simple. Just input the information about the flow application you are considering and click the "Calculate Duct Loss and Velocity Pressure" button at the end of he form. A window will then come up showing you all the results. To change an input simple hit your browser's "Back" button, change the data as needed, and click the "Calculate Duct Loss and Velocity Pressure" button again.

After the results are shown you can then use the "copy and paste" functions on your browser to transfer this information to other applications.

If your are you are considering a compressible fluid system that is usually contained in pipes instead of ducts, has pressure drops measured in PSI instead of inches of Water, operates at pressures significantly higher or lower that atmosperic, or needs to consider the compressibility factor of the gas, then you should not use this program. Instead use On-Line Gas Friction Loss for any Pipe Size or On-line Compressible Flow Pressure Loss, both found on this site.

Technical References and Assumptions

This program is designed to allow rigorous calculation of compressible fluid pressure drops in ducting usually found in HVAC and other low pressure systems like scrubbers. This program can be used for any gas or vapor system, and is not restricted to just air systems. As long as the properties of the gas in question are entered into the form, the duct drop calculation should be valid. The major assumption is that the flow in the pipe or tubing being analyzed can be considered to the adiabatic. It is also assumed that the gas obeys the perfect gas law and that it is flowing through a constant-area pipe. If your are you are considering a compressible fluid system that is usually contained in pipes instead of ducts, has pressure drops measured in PSI instead of inches of Water, operates at pressures significantly higher or lower that atmospheric, or needs to consider the compressibility factor of the gas, then you should not use this program. Instead use On-Line Gas Friction Loss for any Pipe Size or On-line Compressible Flow Pressure Loss, both found on this site.

Analysis of pressure drop in straight duct sections based on Flow of fluids through valves, fittings, and pipe, Technical Paper No. 410, 1985, Crane Co. and the theoretical evaluation of adiabatic flow of an ideal gas (outlined in "The Dynamics and Thermodynamics of Compressible Fluid Flow" A.H. Shapiro, The Ronald Press Company, 1953, Chapter 6).

The method of use of velocity pressure to determine the pressure drop in all other components (ie. elbows, duct entry losses, duct exit losses), as well as the loss factors for these components is derived from "Industrial Ventilation, A Manual of Recommended Practice," American Conference of Governmental Industrial Hygienists, 22nd Ed., 1995.

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Fan and Blower Data Sheets

Basic Fan Laws

Use of this program is very simple. Just input the conditions about the application you are considering and click the appropriate "Calculate" button.

After the results are shown you can then use the "copy and paste" functions on your browser to transfer this information to other applications

Technical References and Assumptions

This program is designed to calculate the various properties of fans and blowers

The basic calculations on which these results are based can be found in many publications. One excellent one is:

Engineering Guide Published by Chicago Blower Corporation

 

 

Pump Data Sheet

Use the above data sheet to specify a pump that you have already determined the head and capacity information for. If you would like help in determining these parameters see 

Online Pump System Design

These calculations are based on Beacon Engineering Calculations.

Technical References and Assumptions

This program is designed to allow preliminary and detailed pump design with the minimal amount of information. This is particularly valuable in the initial stages of a design. Thus it is also valuable in checking a variety of piping and equipment configurations quickly and easily.

The key element of this ease of use is the fact that the pressure drops that the pump will have to accommodate are easily determined using the program. The heart is the piping line losses. This program estimated this piping pressure loss using just the line size, estimated line length, and estimated piping complexity (or application). This is very useful in early stages of a design when the piping and even some of the equipment locations are not exactly determined. This initial estimation is usually accurate enough especially if a control valve will be used in the application. If this estimate is not accurate enough, or you would like to update the calculation as the design evolves, you can enter the "Actual Line Loss" using this option in the Complexity dialog box, making the calculation that more rigorous.

These line loss calculations are based on the following technical publications:

  1. Flow of fluids through valves, fittings, and pipe, Technical Paper No. 410, 1985, Crane Co.
  2. "How to Predict Pressure Drop Before Designing the Piping," Brown, Chemical Engineering, March 16, 1987.

A note to mention here. The estimate of line loss based on this calculation is for Newtonian fluids in fully turbulent flow. If your application does not meet these conditions then you must enter your line loss in manually using the "Actual Line Loss" option.

The program also has an enhanced option that allows up to three different line sizes on the discharge side of the pump. The program is written assuming that the flow in each line is capacity of the pump. In essence this option allows the discharge line to go through up to three different line sizes as is travels from the pump discharge to the final destination. This option does not allow the discharge flow of the pump to be split into two or more lines, and does not allow any flow to enter the discharge piping except that flowing through the pump.

To ease the estimation of pressure losses in the system other than that from piping, each other potential pressure drop location is noted and typical values for drops through this equipment is available through a convenient pop-down list.

 

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Agitator/Mixer Filter Data Sheet

Use the above data sheet to specify a mixer or agitator that you have already determined the operating conditions for.

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On-Line Duct Friction Loss and Velocity Calculations

Use of this program is very simple. Just input the information about the flow application you are considering and click the "Calculate Duct Loss and Velocity Pressure" button at the end of he form. A window will then come up showing you all the results. To change an input simple hit your browser's "Back" button, change the data as needed, and click the "Calculate Duct Loss and Velocity Pressure" button again.

After the results are shown you can then use the "copy and paste" functions on your browser to transfer this information to other applications.

If your are you are considering a compressible fluid system that is usually contained in pipes instead of ducts, has pressure drops measured in PSI instead of inches of Water, operates at pressures significantly higher or lower that atmosperic, or needs to consider the compressibility factor of the gas, then you should not use this program. Instead use On-Line Gas Friction Loss for any Pipe Size or On-line Compressible Flow Pressure Loss, both found on this site.

Technical References and Assumptions

This program is designed to allow rigorous calculation of compressible fluid pressure drops in ducting usually found in HVAC and other low pressure systems like scrubbers. This program can be used for any gas or vapor system, and is not restricted to just air systems. As long as the properties of the gas in question are entered into the form, the duct drop calculation should be valid. The major assumption is that the flow in the pipe or tubing being analyzed can be considered to the adiabatic. It is also assumed that the gas obeys the perfect gas law and that it is flowing through a constant-area pipe. If your are you are considering a compressible fluid system that is usually contained in pipes instead of ducts, has pressure drops measured in PSI instead of inches of Water, operates at pressures significantly higher or lower that atmosperic, or needs to consider the compressibility factor of the gas, then you should not use this program. Instead use On-Line Gas Friction Loss for any Pipe Size or On-line Compressible Flow Pressure Loss, both found on this site.

Analysis of pressure drop in straight duct sections based on Flow of fluids through valves, fittings, and pipe, Technical Paper No. 410, 1985, Crane Co. and the theoretical evaluation of adiabatic flow of an ideal gas (outlined in "The Dynamics and Thermodynamics of Compressible Fluid Flow" A.H. Shapiro, The Ronald Press Company, 1953, Chapter 6).

The method of use of velocity pressure to determine the pressure drop in all other components (ie. elbows, duct entry losses, duct exit losses), as well as the loss factors for these components is derived from "Industrial Ventilation, A Manual of Recommended Practice," American Conference of Governmental Industrial Hygienists, 22nd Ed., 1995.


Company Profile

EDA, Incorporated provides quality-engineering services on time, on schedule and within budget.  EDA, Inc. is able to do this by performing the work correctly the first time. We accept the most challenging problems and look forward to working with the client as a team member.  EDA believes that the client should be an active participant in the work process to ensure that the product is commensurate with client expectations and is delivered within schedule and budget constraints.

EDA, Inc. belongs to the American Society of Mechanical Engineers (ASME), the National Society of Professional Engineers (NSPE), the Society of Instrument Control Engineers, Society of Professional Engineers (ISA) and the American Nuclear Society (ANS).


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For more information on EDA, Incorporated services, please contact Client Service Manager at:

Client Service Manager

EDA, Inc.

6397 True Lane

Springfield, VA 22150

 

or email  the Client Service Manager at SiteManager@edasolutions.com .

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Contact Information

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Virginia Office (703) 313-9138
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6397 True Lane
          Springfield, Va 22150
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General Information:  Site Manager@i-edainc.com