The pipelines have been listed in the Table 1 along with the flow rate and head loss in each pipe, air handler, and control valve in the circuit: In calculating the head loss for each pipeline notice that the main supply pipeline has the entire 800 gpm going through it. This is a piping schematic of the example project showing only the pipelines going to the most hydraulically remote circuit. Since all 16 circuits in our system are identical we will use this total in all future circuit calculations. This process is streamlined by using the various copy and paste features available in the software. Do Not Promote Your Business or Your Website Here. This is the size of pipe needed. "Learned a lot with Protective Grounding.

CED is an approved provider in the states of FL, IN, MD, NC, NJ and NY. This drawing can be developed as a sketch, or done using a CAD program. The spreadsheet can be set up to calculate the head loss for the design flow rate in each pipeline based on the pipe diameter and losses due to the valves and fittings. For example, when the system is balanced the difference in head loss between the control valve in circuit B1-F1 and circuit B1-F4 will be 4.94 feet of fluid, which is equal to the difference in head loss in the pipelines between the circuits.

The Darcy Weisbach equation [ hL = f (L/D)(V2/2g) ] gives a relationship among pipe length and diameter (L and D); average velocity in the pipe (V); frictional head loss (hL); and friction factor (f), where the friction factor is, in general, a function of Reynolds number (Re) an… All pipe material in the circuit is 2 inch steel schedule 40. 11-09-20 - How to Implement a Successful Sustainability

Pipesize Water temperature °C (typically 10°C for Chilled, 75°C for LTHW) Mass flow kg/s : or ... or Heating/Cooling load kW : Delta T °C: Pipe Material / Diameter: Steel - Medium black BS EN 10255.

After looking at the remaining branches in the system, we can assume the head loss in circuit B4-F4 would be the greatest for the entire system because it has the longest pipe run. As shown in Table 1, the total head loss to pass 50 gpm through circuit B1-F1 is 68.14 feet. From this point, read left and stop at the first pipe size selection line. Both S.I.

When asked why they did not use PIPE-FLO on new systems, the most common response was they did not want to enter the entire piping system only to find the most hydraulically remote circuit needed for pump sizing.

Equations displayed for easy reference. Determine a design factor for the additional pump head required based on the assumptions made in the above calculations. One can determine how the piping system model operates under a diverse set of operating conditions using PIPE-FLO's lineup feature. Not only can PIPE-FLO perform the operating cost calculation but the total system simulation can be used to optimize the system design, determine how changes in system operation can minimize power consumption, and increase system efficiency. Unlike a spreadsheet model that has limited value after the most hydraulically remote circuit is performed, the PIPE-FLO model can be added to as the design progresses.

The course was easy to follow.

Complete the main supply header by entering the supply header pipelines MS2, MS3, and MS4.

Eliminating the need to know how to program an electronic spreadsheet. This provides the lengths of the pipelines along with the design flow rate through each pipeline in the system. The pipelines for the remaining circuits in the system need to be sized and this can be done easily using the PIPE-FLO program. 11-09-20 - Construction of Hoover Dam This content cannot be displayed without JavaScript.Please enable JavaScript and reload the page. Now that the system skeleton is complete the calculations can be performed to determine the head loss around the most hydraulically remote circuit. By having a very symmetric system we are able to greatly simplify the calculations needed to determine the most hydraulically remote circuit in a system of multiple loads.

", "The process is direct, no nonsense. The supply header and return headers are mirror images of each other.

After the pumps are selected and the performance information added to the piping system model, that model can be used for further analysis.

Tel: (877) 322-5800 | Fax: (877) 322-4774. BTU/hr. After performing a diversity analysis the next step is to determine the best method of reducing pumping costs. Excel's ubiquitous spreadsheet interface has its roots as an accounting and business application.

"This was a very pleasant experience. This involves calculating the head loss in every circuit in the system; which can be a very tedious process. Each riser feeds cooling water to the air handler located on the four floors within the building.

Complete the routing of pipelines in the system.

When using an electronic spreadsheet pipelines must be manually determined in each circuit from the information displayed on the piping schematic. Finally PIPE-FLO's calculation engine automatically uses the connection information to calculate the total losses for each circuit, and will warn users if the most hydraulically remote circuit was not selected. PIPE-FLO calculates the total head required for the pump to meet the requirements of the most hydraulically remote circuit. = Gallons per hr x 8.33 x ?T°F; Calculate tons of cooling capacity Tons = BTU/hr. Both electronic spreadsheets and the PIPE-FLO program can provide the results to determine the most hydraulically remote circuit in a cooling water system. Download McQuay Duct Sizer for HVAC Duct Sizing, Download AutoCAD Fonts Library - Free SHX Fonts, Download ASHRAE Heat Load Calculation Excel Sheet XLS, Download Free AutoCAD Blocks for HVAC Design, Download Free Arabic and Kufi SHX AutoCAD Fonts, HVAC Duct Size Calculator Excel - Free Ductulator, Carrier HAP 5.1 - Hourly Analysis Program. With a spreadsheet, they only enter the pipelines going to and returning from the most hydraulically remote circuit, eliminating the need to enter all the pipelines in the system. 11-13-20 - Project Execution for Engineers Figure 1. The piping schematic is typically the first drawing created. These circuit calculations can be easily performed using an electronic spreadsheet program. This completes the skeleton of what we believe to be our most hydraulically remote circuit. The pipelines, flow rates, and head losses for circuit B4-F4 are listed in Table 3. Sizing and selecting the volume of expansion tanks is based on mathematical formulas which are complicated, so using calculation excel sheets reduce time and effort. Figure 2 shows the various items found in each circuit from where it leaves the supply to the return riser:Figure 2. To simplify the example we will be concentrating on the secondary loop only. ", "Very easy to register, access the course, take the test, and print the PDH, "Positive experience.

The piping schematic shows all the items in the piping system, in addition the pipeline connections on the drawing are used by the program to set up the various equations needed to perform all the head loss calculations. In this section we will discuss how to determine the head loss for the most hydraulically remote circuit using the PIPE-FLO program.

"The reference material was excellent, and the course was very illuminating especially since I thought I was already familiar, "I really like your business model. The major disadvantage with the spreadsheet method is that information must still be read from the piping connection drawing, and manually entered for all of the pipelines, components, and controls data onto the spreadsheet for the calculations to be performed.

The head loss for each item in the circuit is calculated and totaled.

The system consists of four branches supplying cooling water to four risers. The strainer on the inlet of the air handler has a 2 psi drop at 50 gpm. ", "I had a great experience taking the Coastal Construction – Designing, "Very clear, well organized website. The next step is to set up for the calculations.

In addition, the program uses engineering data tables to look up properties for pipes, fluids, valves, and fittings used in the project. PIPE-FLO was designed specifically from the ground up as a fluid piping design and analysis tool.

I will use your service in the future. Download McQuay Duct Sizer for HVAC Duct Sizing, Download AutoCAD Fonts Library - Free SHX Fonts, Download ASHRAE Heat Load Calculation Excel Sheet XLS, Download Free AutoCAD Blocks for HVAC Design, Download Free Arabic and Kufi SHX AutoCAD Fonts, HVAC Duct Size Calculator Excel - Free Ductulator, Carrier HAP 5.1 - Hourly Analysis Program. When there is a leakage within the network and there is less water , the Nitrogen balloon expands and, It is also used in water supply systems to protect pipes from, Expansion Tank Calculations with Tables [. ", "The questions on the exam were probing and demonstrated understanding, "This is my second course and I liked what the course offered to me that, "Very quick and easy to navigate. HVAC - Chilled Water System Pipe Sizing Excel Calculator (For Free) Chilled water air conditioning systems are commonly used in applications that need large cooling capacity such as hypermarket, industrial process and commercial air conditioning such as offices and factories. Spam Comments Will Be Deleted. Remember that each circuit will have a total head loss needed to pass the circuits design flow rate. 11-12-13 - Flow Measurement in Pipes and Ducts 11-13-20 - Project Execution for Engineers 11-16-20 - Engineering Laws, Rules and Ethics for FL PE's 11-16-20 - Cast Metals Technology 11-18-20 - Developing Defensible Project Work Performance Metrics 11-19-20 - Open Channel Hydraulics II - Sharp-Crested Weirs .

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