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Turning Vanes and Duct Elbows, Part 1 | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2007/10/21/turning-vanes-and-duct-elbows-part-1
A Field Perspective on Engineering. Engineering lessons from the field. Art, Craft, and Engineering – Part 2. Turning Vanes and Duct Elbows, Part 2 →. Turning Vanes and Duct Elbows, Part 1. October 21, 2007. To me, these results indicate that the vanes may be worth something in a high velocity application. Associated with the elbow operating at a higher velocity. In the next post, I’ll continue this discussion and look at what happens when you increase the size of the duct. May 3, 2011 at 7:54 am. Sorry ...
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Developing Retrocommissioning Implementation Budgets; Focusing on Individual Findings | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2015/05/03/developing-retrocommissioning-implementation-budgets-focusing-on-individual-findings
A Field Perspective on Engineering. Engineering lessons from the field. Developing Retrocommissioning Implementation Budgets; Establishing the Big Picture. Retrocommissioning Findings: Scoping a Dental Clinic VAV Reheat System–Part 1 →. Developing Retrocommissioning Implementation Budgets; Focusing on Individual Findings. May 3, 2015. The utility data for a facility along with. The LNBL commissioning cost benefit report, and. The Owner’s financial metrics, and. These links will jump you to a specific top...
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A Field Perspective on Engineering | Engineering lessons from the field | Page 2
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A Field Perspective on Engineering. Engineering lessons from the field. Newer posts →. Economizers–The Physics of Linkage Systems. October 4, 2015. The links below will jump you to major topics in the post that follows. A. Link at the end of each section will bring you back here. A Hands-on Control System Learning Opportunity. Using SketchUp To Work with the Model Used in the Blog Post. Opposed vs. Parallel Blade Action. Damper, Actuator, and Linkage System Nomenclature. Something’s Go To Give. A highlig...
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Index Update: A Current Index to All of my Posts | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2012/09/12/index-update-a-current-index-to-all-of-my-posts
A Field Perspective on Engineering. Engineering lessons from the field. System Diagrams: Key Features of my Air System Diagrams. System Diagrams: An Update on Sources for Symbols →. Index Update: A Current Index to All of my Posts. September 12, 2012. Moving forward, I will try to leverage that feature to make things easier to search for. And I will try to update the index on a regular basis now that I have figured out how to do it. I will start those posts with the words Index Update to make the...I sho...
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Annotating Charts in Excel | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2015/01/30/annotating-charts-in-excel
A Field Perspective on Engineering. Engineering lessons from the field. Setting Time Axis Values in Excel. Developing Retrocommissioning Implementation Budgets; Establishing the Big Picture →. Annotating Charts in Excel. January 30, 2015. When you are presenting data in the form of a graph or chart, it is critical that the people observing the chart understand what the data signifies. Its easy to loose sight of this if you are the developer of the chart, at least it is for me. It Makes Sense to Me. In a ...
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Developing Retrocommissioning Implementation Budgets; Establishing the Big Picture | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2015/05/01/developing-retrocommissioning-implementation-budgets
A Field Perspective on Engineering. Engineering lessons from the field. Annotating Charts in Excel. Developing Retrocommissioning Implementation Budgets; Focusing on Individual Findings →. Developing Retrocommissioning Implementation Budgets; Establishing the Big Picture. May 1, 2015. Through-out, I will be using examples from the facility we are using as a living lab for our current Marriott classwork to demonstrate the concepts I am discussing. These links will jump you to a specific topic of interest ...
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Setting Time Axis Values in Excel | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2015/01/25/setting-time-axis-values-in-excel
A Field Perspective on Engineering. Engineering lessons from the field. Annotating Charts in Excel →. Setting Time Axis Values in Excel. January 25, 2015. If you are involved in the commissioning or retrocommissioning business, it is quite likely that you spend a lot of time working with trend data from data loggers and control systems. One of the questions I am asked frequently with regard to looking at trend data is:. How do you adjust the time axis on a time series graph to a specific date and time?
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System Effect–Dealing with the Point Where the Fan Meets the Duct | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2014/10/02/system-effectdealing-with-the-point-where-the-fan-meets-the-duct
A Field Perspective on Engineering. Engineering lessons from the field. Build Your Own Psych Chart – A Few Fundamental Principles. Updated Resource List →. System Effect–Dealing with the Point Where the Fan Meets the Duct. October 2, 2014. And related pressure drops, I think what follows will be of interest. This is a fairly long post, so the links below will jump you to various topics of interest if you don’t want to have to read the entire thing to find something. An Existing Building Example. Identify...
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Retrocommissioning Findings: Make Up Air Handling System Simultaneous Heating and Cooling – The Clues – #5 – The Utility Patterns Show High Baseline Consumption Patterns | A Field Perspective on Engineering
https://av8rdas.wordpress.com/2012/12/18/retrocommissioning-findings-make-up-air-handling-system-simultaneous-heating-and-cooling-the-clues-5-the-utility-patterns-show-high-baseline-consumption-patterns
A Field Perspective on Engineering. Engineering lessons from the field. Retrocommissioning Findings: Make Up Air Handling System Simultaneous Heating and Cooling – The Clues – #4 – The Facility Operates “Round the Clock”. Retrocommissioning Findings: Make Up Air Handling System Simultaneous Heating and Cooling – The Clues – #6 – Operator Feedback →. December 18, 2012. In the last post. Note that for this Oregon facility (read mild climate ), the minimum gas consumption in the summer on an average day is ...