Engineered Systems articles from January 2007

Engineered Systems archives from January 2007

Don't be flip about this trip.(editor's note)(Editorial)
January 1, 2007... When you're trying to get back in gear after the holidays, one of the rudest traditional hurdles to face is The Dreaded Calendar Flip (TDCF). You've just finished being swamped with end-of-year projects, reports, and miscellaneous seasonal...

Calendar of events January 2007.(Calendar)
January 1, 2007... For more events and details, visit ESOnline at www.esmagazine.com. JANUARY 27-31 ASHRAE 2007 Winter Meeting Dallas. For info, visit www.ashrae.org. JANUARY 29-31 AHR Expo Dallas. For more info, visit www.ahrexpo.com.

The fuel of the future.(letters to the editor)(Letter to the editor)
January 1, 2007... I feel Lindsay Audin did not fully explain the use of vegetable oil to replace diesel fuel in his October 2006 "Energy Wiz" column titled, "Alternative Heating Oil Arrives" (page 22). He may have given some readers the mistaken impression that...

In the mix.(letters to the editor)(Letter to the editor)
January 1, 2007... In Lindsay Audin's "Energy Wiz" column on alternative heating oil, there was a misleading statement that needs to be addressed. There is all ready a lot of bad information out on biodiesel, and we need to stop the misinformation whenever we...

New filtration technology keeps cooling tower water clean.(FILTRATION TRENDS)
January 1, 2007... Every cooling tower has its unique dirt conditions, space constraints and other special characteristics. Filtration systems must take these into account in order to maintain particle free water. Orival filters are versatile enough to meet...

Building the building community.(LETTERS TO THE EDITOR)(Letter to the editor)
January 1, 2007... This letter refers to Robert Beverly's "Editor's Note" from the October 2006 issue of Engineered Systems (page 6). You asked in your recent article if there is any simpatico between HVAC and IT professionals. In this small firm that I work...

Putting the authority in CA.(LETTERS TO THE EDITOR)(Letter to the editor)
January 1, 2007... This letter refers to Paul Ehrlich's article in the November 2006 issue of Intelligent Buildings Today, a supplement to Engineered Systems, titled, "Help Wanted: Building Systems Architect" (page 4B). In my opinion, these jobs do exist and...

Whither the women?(LETTERS TO THE EDITOR)(Letter to the editor)
January 1, 2007... This letter refers to Robert Beverly's "Editor's Note" that appeared in the November issue (page 6). Loved the headline for your column. I fit into the marketing category of your list of women at HVAC events. You said "dozens" of women are...

Combining ATC with FTP.(LETTERS TO THE EDITOR)(Letter to the editor)
January 1, 2007... I just re-discovered Howard McKew's "Tomorrow's Engineer" column published in the July 2006 issue of Engineered Systems (page 82, "Combining The ATC With The FTP"), and finally read it in-depth. His reasoning and conclusions have intrigued...

Staying profitable.(LETTERS TO THE EDITOR)(Letter to the editor)
January 1, 2007... I finally got around to reading Howard McKew's "Tomorrow's Engineer" column (July 2006, page 82) and found some merit in his design approach. We're all faced with the dilemma of having enough fee to produce what we really "want to" and/or...

Back to Basics.
January 1, 2007... The replacement and retrofit of a 400-bph hot water boiler with a 400-bhp firetube unit will be the focus of this month's "Back to Basics" test and "HVACR Designer Tips" column. In February, both columns will continue the ATC/FPT narrative for...

AHUs contribute to a case of alchemy at Dallas service center.(case in point)
January 1, 2007... The City of Dallas's fleet of over 1,200 service vehicles is the largest in the nation to run primarily on compressed natural gas (CNG) as part of an effort to make the city greener. In addition, the new maintenance and operations facility that...

Desiccant system sews up savings and IAQ for Oklahoma City surgical suites.(CASE IN POINT)
January 1, 2007... St. Anthony Hospital in Oklahoma City was founded in 1898, and is a private, not-for-profit, multi-campus hospital and regional referral center. The 615-bed tertiary care facility provides general and acute care services including cardiology,...

Tofurky plant gobbles steam, cooks up savings.(CASE IN POINT)
January 1, 2007... For industries that rely on steam as an integral part of their processes, more hp is not always needed to meet increased demand--even when existing boiler capacity just can't keep up. A perfect example is Turtle Island Foods, Inc. of Hood...

Simulation helps Finnish office workers stay warm in winter, cool in summer.(CASE IN POINT)
January 1, 2007... Olof Granlund Oy is the largest building services design and consulting company in Finland, employing about 270 people. The company was asked to evaluate and, if necessary, improve the comfort level of a new office building in Helsinki,...

Divide and conquer: high-velocity A/C and energy recovery solve office dilemma.(CASE IN POINT)(Oasis Mechanical)
January 1, 2007... Reducing cooling equipment size and cost, while still providing sufficient A/C to all the tenants in a building was the dilemma facing Oasis Mechanical of Lanham, MD. The company was being asked to meet the needs of the Greenbriar Community...

Deferred or phased testing.(commissioning)
January 1, 2007... When does it help to put it off? Deferred testing is performing FPT after substantial completion. Whereas systems performance testing should occur prior to the owner accepting the systems from the contractors, there are some instances...

Sustainable green connectivity: will our industry suffer continental drift or forge a momumental shift?(building automation)
January 1, 2007... Sustainable green connectivity is what building owners want now from BAS. The need is urgent, and if we are not willing to provide it, there are those that will. As I look over the subject matter and events covered on AutomatedBuildings.com for...

A powerful parable: faith alone will not protect you from needlessly high delivery charges.(the energy wiz)
January 1, 2007... When power customers look at their costs for electricity, they tend to lump the price of the commodity (i.e., the raw cost without delivery) with the rest of the electric bill (e.g., distribution). Doing so, however, may miss the boat on...

Equipment startup checklist: boiler replacement/retrofit.(hvacr designer tips)
January 1, 2007... Equipment type: Boiler Equipment designation: B-1 Bar code designation: 111111 REPLACEMENT PHASING CONSIDERATIONS YES NO * Is the boiler equipment room up to current code relative to combustion air...

Determined in Dallas: from a new 50% glass-walled terminal at one of the world's busiest passenger airports to an innovative approach to providing cooling for huge water supply pumps, and finally to an unusual method of cooling and ventilating a new performing arts school, Dallas-Fort Worth design firms have their hands full. Read on to see how these three projects have driven innovation in the heart of the Lone Star state.(Dallas/Fort Worth International Airport )
January 1, 2007... Now Boarding In Terminal D... Based on 2004 data from the Airports Council International, Dallas/Fort Worth International Airport (DFWIA) is among the busiest passenger airports in the world, having transported 59,064,360 passengers in...

Ruskin Validator System.(Show Product Guide)
January 1, 2007... Ruskin announces an even better validator system. The Ruskin Validator System automates and simplifies required fire/smoke damper testing for significant cost savings over the life of the building. And, now the Ruskin Smart Damper Controller...

Ruskin commercial air doors.(Show Product Guide)
January 1, 2007... Ruskin Air Doors, ranging from 32-80 inches wide and up to eight feet high, are designed to keep dirt, dust, fumes, insects, pollen and odors from entering your facility; making it easier to maintain a cleaner and healthier environment....

Tjernlund draft, combustion air & ventilation resource CD.(Show Product Guide)
January 1, 2007... Tjernlund's new resource CD contains thousands of pages of useful information including: brochures, spec sheets, performance curves, installation/service instructions, wiring diagrams, parts breakdown/cross reference, product photos and more....

3E plus[R] insulation thickness computer program.(Show Product Guide)
January 1, 2007... Download NEW Version for FREE at www. PipeInsulation.org Quantifies energy, environmental and cost savings from increasing pipe, duct and vessel insulation levels in commercial buildings and industrial facilities. Improved user interface,...

Rheem-Ruud Eclipse[TM] electric commercial water heaters.(Show Product Guide)
January 1, 2007... Discover the commercial heavy-duty electric line that features: * Longer life--carries an unprecedented 10-year limited tank warranty * Lighter weight--less than half of conventional products * More durable and more efficient than...

Fantech commercial HRV.(Show Product Guide)
January 1, 2007... The SHR6904 provides an energy efficient way to improve indoor air quality in schools and businesses. Unit is designed with access doors on two sides for simplified installation. The fixed plate aluminum heat recovery core and two ebm-papst...

Products for corrosive air exhaust.(Show Product Guide)
January 1, 2007... New brochures feature polypropylene blowers and fans. Quality systems installed worldwide providing reliable performance for over 35 years. Flexible configurations achieved through the Plastec Utility Blower, JET Fans, STORM Series products and...

5-bladed EC fan line.(Show Product Guide)
January 1, 2007... ebm-papst Inc., the leading manufacturer of motors and fans, introduces the new 5-bladed EC fan line. The new design features optimized winglets to reduce noise emissions, as well as, adjustable speed controls which allow for efficient energy...

Cooling tower efficiency of the Energy Recovery unit is a breakthrough for the low wet bulb temperature regions.(Show Product Guide)
January 1, 2007... Cooling tower efficiency of the Energy Recovery Unit is a breakthrough for the low wet bulb temperature regions. The ERU[TM] evaporative cooler can be manufactured in configurations of 2,000 to 80,000 CFM and be provided with options like...

Gastite--the system is the solution.(Show Product Guide)
January 1, 2007... Gastite, the leader in flexible gas piping, develops innovative, top-secret product to be revealed at the International Builder's Show. IBS Booth #W5684 XR2@gastite.com * 800-662-0208 CIRCLE NO. 852 / BOOTH NO. 4907 ...

Strut-mount.(Show Product Guide)
January 1, 2007... HVAC/R lines are vastly improved with Klo-Shure's new clampless, self-locking insulation coupling. The new, all plastic, one-piece design eliminates metal clamp brackets while supporting and securing pipe/tube runs. The patented, self-locking...

Clevis hanger.(Show Product Guide)
January 1, 2007... Klo-Shure, Inc. has introduced a new method of securing copper tube insulation in HVAC/R and plumbing systems. The system provides a superior vapor barrier, reduces installation time, and dramatically improves the finished appearance. The...

Boiler Book.(Show Product Guide)
January 1, 2007... Design a boiler room with a click of a button. The Cleaver-Brooks Boiler Book contains specifications, dimension and ratings and complete boiler room product information. Go to www.cbboilers.com to view the on-line Boiler Book or contact...

Hawk ICS integrated control system.(Show Product Guide)
January 1, 2007... The Hawk ICS is a fully-integrated boiler control solution. Using advanced Programmable Logic Controller (PLC) technology, this control is pre-programmed to quickly and easily provide monitoring, communications, added safety, and cost...

Mestex, Ltd., a Mestek company, located in Dallas, TX announces a new unit for delivering 100 percent outside air.(Show Product Guide)
January 1, 2007... The new IFL product line is designed to provide the ASHRAE 62.1 ventilation air requirements for most types of buildings. In addition the IFL has a number of unique design features that might allow a designer to earn as many as four LEED NC-2.2...

New humidity transmitter from Vaisala.(Show Product Guide)
January 1, 2007... The new Vaisala HUMICAP[R] Humidity and Temperature Transmitter Series HMT330 is designed for most demanding industrial applications. The series offers a unique graphical trend display with one year of historical data. It continues the Vaisala...

Condensate return, boiler feed, vacuum return systems.(Show Product Guide)
January 1, 2007... Bulletin HP-1 covers custom-built condensate return, as well as complete boiler feed systems. Several 2' NPSHR pumps available as standard selections. Three series of vacuum return or boiler feed can accommodate special space requirements. Our...

Mold resistant Armaflex insulation.(Show Product Guide)
January 1, 2007... AP Armaflex is the original IAQ insulation for air ducts and mechanical systems. It's fiber free and low VOC, and utilizes MICROBAN[R] antimicrobial product protection. Microban technology provides a higher level of proven protection against...

Gateway from FieldServer Technologies.(Show Product Guide)
January 1, 2007... The new FS-B3510 gateway from FieldServer Technologies brings together the proven, powerful FieldServer driver library with the latest in gateway design packed with features demanded by our customers into a compact user friendly package: *...

Electronic FlowHood CFM-88.(Show Product Guide)
January 1, 2007... Air Balance and energy audit are faster and easier with the new CFM-88 electronic Flow-Hood. The unit offers unequaled accuracy and direct digital readout of density and corrected air flow measurement. No Ak correction factors are ever needed....

Industrial water filter: conserves rinse water.(Show Product Guide)
January 1, 2007... * Automatic Self-Cleaning * Line Pressure Powered * Screens down to 10 microns * 1 inch to 20 inch line sizes * Single Unit flow rates to 12,000 gpm Orival, Inc. 201-568-3311 * FAX 201-568-1916 800-567-9767...

2-stage gas infra-red heaters.(Show Product Guide)
January 1, 2007... Solaronics' energy-efficient "True Dual" 2-stage heaters bring unprecedented fuel-cost savings of up to 75% for commercial and industrial buildings. Both air and gas flows of the patented system provide precise air-to-gas ratios at both high-...

humiDisk.(Show Product Guide)
January 1, 2007... The humiDisk atomizing humidifier utilizes centrifugal disk technology, shearing water into small droplets and distributing the droplets into the environment where they are absorbed. With 14.4 lbs/hr output, 13,968 btus of free cooling and an...

Automatic Filters, Inc. Tekleen[R].
January 1, 2007... The Best Engineered Water Filtering Solution Always Cost Less. * Fully automatic self cleaning water filters * No flow interruption. * 2 gallons per backwash. * Single Unit Flow rate to 20,000gpm * 1 inch to 36 inch line...

Flexible I/O control & open protocols built-in.(Show Product Guide)
January 1, 2007... Equipment Manufactures--Why worry about not meeting controls specifications when you don't have to Get all the benefits of factory mounted controls without worrying about being compatible with the BAS front-end. * Graphically programmable...

Insulation Saddle System.(Show Product Guide)
January 1, 2007... Anvil's 260 Insulation Saddle System is a revolutionary product for installing insulation. Used for copper and steel pipe systems, it eliminates the wood block and shield, and costly hanger adjustments. For chilled and hot water systems...

TM Series Cooling Tower CTI certified performance.(Show Product Guide)
January 1, 2007... The TM Series Cooling Tower expands Delta's unit capacity up to 2000 cooling tons. This engineered plastic molded tower provides longer life than traditional metal towers without the high budgeted costs typically associated with those designs....

4900 Series Air separators.(Show Product Guide)
January 1, 2007... Taco's 4900 Series Air and Dirt Removal Systems save money and lengthen the life of system pumps, piping and components. The 4900 Series scrubber system is designed to ASME code, with technology proven in the field, around the world. Built with...

All plastic corrosion resistant fume exhaust products.(Show Product Guide)
January 1, 2007... The 28-page product data brochure covers PLASTINETICS[R] INC.'s line of corrosion resistant Polyvinyl Chloride (PVC), Chlorinated Polyvinyl Chloride (CPVC) and Polypropylene (PPRO) exhaust systems and duct fittings. Brochure includes...

Blender Products, Inc.(Show Product Guide)
January 1, 2007... This CD will aid mechanical designers define the level of mixing required for specific design criteria (i.e. providing freeze protection, minimizing sensor errors, and ensuring IAQ requirements), select products for required level of mixing...

New Parker CD-ROM catalog available.(Show Product Guide)
January 1, 2007... The fourth release of our CD-ROM catalog is now available for distribution to customers and engineers. This CD contains over 600 pages of information, CAD drawings, CSI-type recommended specifications in Microsoft Word[R] format, and all of the...

Everything you need to know about "Solution-based" air conditioning products on one FREE CD.(Show Product Guide)
January 1, 2007... Complete collection includes: * Product submittals * Detailed product profiles * Application ideas * Installation/operation manuals * Product literature and specs Friedrich Air Conditioning Co. TOLL-FREE...

Intelligent exhaust / ventilation systems.(Show Product Guide)
January 1, 2007... Tjernlund's patented CPC-3 technology allows for precise control of exhaust, make-up and combustion air applications. Reduce vent diameters up to 50%, overcome convoluted vent layouts and dramatically shorten stack height above roof line....

Revised SideWall Vent System reference guide.(Show Product Guide)
January 1, 2007... Tjernlund's new SideWall Vent System reference guide includes sizing and dimensional data on their full line of SideWall Power Venters and accessories. An affordable option to conventional chimneys, sidewall venting can increase living space by...

Reclaim Flash Steam--Brochure C-1.(Show Product Guide)
January 1, 2007... Penn Separators newly revised brochure C-1 describes our Flash Separators that can be used in place of larger flash tanks. This new brochure gives examples of uses, savings calculations, suggested specifications, flash steam percentages, and...

Low range differential pressure sensors Utilize Compact Design for Airside applications.(Show Product Guide)
January 1, 2007... Pressure ranges of 0-2", 0-5", 0-10" [H.sub.2]O, [+ or -] 1", [+ or -] 2" [+ or -] 5" [H.sub.2]O available, suitable for clean, dry air and dry inert gas pressures. Applications are VAV control systems, filter monitoring, and building...

Cemline storage boiler water fired plate heat exchanger water heaters (SPH Series).(Show Product Guide)
January 1, 2007... The SPH is a perfect solution for producing domestic hot water heated by hydronic boilers. The SPH Packaged Water Heater uses a plate type heat exchanger maximizing heat transfer between the boiler and domestic water returning boiler water to...

More heat, less energy.(Show Product Guide)
January 1, 2007... Genuine Cambridge gas-fired space heaters offer the Lowest Total Heating Cost for large commercial/industrial buildings, including lowest installed cost and lowest operating cost. Patented gas burner and Blow-Thru[TM] heater construction...

Free! New catalog for building automation & HVAC systems.(Show Product Guide)
January 1, 2007... Dwyer Instruments, Inc., has just released a new catalog for the Building Automation & HVAC markets--The Building Automation Catalog. Products are grouped together by application: water-cooling systems, boilers, air quality & control, test...

Revolutionary data center A/C with EC fan.(Show Product Guide)
January 1, 2007... Stulz-ATS's Electronically Commutated (EC) fan technology offers a breeze of fresh air with the new generation of high performance compact CyberAir precision air conditioning units. This new technology increases the efficiency of each CyberAir...

Advanced desiccant dehumidification systems.(Show Product Guide)
January 1, 2007... Stulz-ATS's redesigned DEZ-300-40-E desiccant dehumidification system available from 150 to 600 scfm now offers 100% front accessibility. Features and options available include a desiccant rotor, manometer pressure taps, pressure indicating...

Ultrasonic humidifiers.(Show Product Guide)
January 1, 2007... The STULZ Ultrasonic humidifiers offer clean, virtually contaminant free humidification and use 93% less electrical energy than electrode boilers or infrared humidifiers; a cooling effect that helps reduce compressor run time is achieved...

End suction HVAC pumps.(Show Product Guide)
January 1, 2007... Patterson Pro-Max[R] Frame-mounted End Suction HVAC Pumps are engineered in a high-efficiency design that minimizes energy consumption. They feature a back pullout configuration for easy access and maintenance. Their precision cast, dynamically...

Modulating building exhaust systems[TM].(Show Product Guide)
January 1, 2007... The MBS is a state-of-the-art solution for exhausting kitchen hoods and bathrooms in multi-story buildings. It's a result of expertise acquired over half a century, and participation in scientific and code development of new ventilation...

Laminar & Radial Flow Hepa Filter Diffusers.(Show Product Guide)
January 1, 2007... Designed for Class 10 to Class 100 HVAC Clean Room Systems, our new Laminar Flow Hepa Filter Diffuser (LFHFD) provides clean air performance with a continuous uni-directional flow of large volumes of highly filtered air that washes contaminants...

Bradford White's Ultra High Efficient-eF Series[R] line continues to grow.(Show Product Guide)
January 1, 2007... Bradford White has added the eF Series[R] to its Ultra High Efficiency line of commercial gas water heaters. The unit is available in 100-gal capacities to 399,999 Btu; 60-gal capacities to 125,000, 150,000, and 199,999 Btu; and 100-gal...

Mechanical dryer venting system[TM].(Show Product Guide)
January 1, 2007... The MDVS is developed in cooperation with clothes dryer manufacturers. It's used to exhaust clothes dryers in multi-story buildings, and laundry facilities in hotels, resorts, sports and health care facilities. The "On-demand" controlled...

ONICON Incorporated's System-10 BTU Meter.(Show Product Guide)
January 1, 2007... ONICON Incorporated's System-10 BTU Meter is a highly-accurate microprocessor-based instrument designed to provide full energy, flow and temperature data both at the front panel LCD and over an optional serial interface. Differential...

Data Loggers.(Show Product Guide)
January 1, 2007... SmartParts' new battery-powered USB Data Loggers electronically record data: temperature, relative humidity, current (4-20mA), DC voltage (0-30VDC) and carbon monoxide. Highly portable, these devices can be launched and downloaded from your...

HVAC insulation.(Show Product Guide)
January 1, 2007... CertainTeed duct wrap, duct board, duct liner and metal building/OEM products are unsurpassed for quality and performance. Our ongoing product development and customer service initiatives make CertainTeed the industry's most customer-focused...

Corporate brochure describes equipment and services offered.(Show Product Guide)
January 1, 2007... A new, 16-page color brochure describing the many different types of equipment and services offered by Nationwide Boiler is available at no charge to qualified companies and individuals. In addition to covering rental boilers, this new brochure...

High efficiency profile turning vanes & rail.(Show Product Guide)
January 1, 2007... * H-E-P Vanes Provides Maximum Turning Efficiency * Superior airfoil contour reduces relative pressure to the lowest level * Aerodynamic design greatly reduces generated sound power levels * Provides velocity distribution of...

Mestex, Ltd., a Mestek company, located in Dallas, TX announces a new type of integral face and bypass coil.(Show Product Guide)
January 1, 2007... LJ Wing invented the integral face and bypass coil and has been the market leader for several decades. The new Wing MV coil allows the controls to completely shut down half of the coil rows, allowing the integral dampers to readjust to a more...

UNILUX boiler corp.(Show Product Guide)
January 1, 2007... The unique UNILUX 5 pass flexible water tube boiler design is simply the finest in its class. With standard operating efficiencies at 85% and a standard 20 year warranty against thermal shock damage, UNILUX provides a built in savings/...

Roberts-Gordon innovates infrared industry with first patent pending, fully modulating unitary heater.(Show Product Guide)
January 1, 2007... The VANTAGE[R] MODULATING infrared unitary heater, in either natural gas or propane, is designed to provide increased fuel efficiency by adjusting both fuel and combustion air, resulting in optimum combustion throughout the full range of burner...

CHEMTROL[R] CT100 controller.(Show Product Guide)
January 1, 2007... SANTA BARBARA CONTROL SYSTEMS introduces the CHEMTROL[R] CT100 controller for Cooling Towers and Boilers. Features include conductivity, with an option for pH, temperature, Watermeter inputs, three additive-feed programs, Langelier Saturation...

CTI certified cross flow cooling towers.(Show Product Guide)
January 1, 2007... Protec FWS Series' single, double and multi-cell configurations are designed for commercial, institutional and industrial loads. All major components of the FWS Series: have been developed to ensure maximum efficiency with low energy...

Top Down[TM] 80 BoilerMate[TM].(Show Product Guide)
January 1, 2007... AMTROL[R] introduces the new Top Down[TM] 80 BoilerMate[TM]. The TD-80 is the only 80-gallon plastic-lined indirect in the industry. All piping and wiring connections are on top for fast installation and easy service, while the increased...

Bard introduces the most innovative wall-mount ever made.(Show Product Guide)
January 1, 2007... Lawrence Berkeley National Laboratory, a leading scientific research group, recently spent a year testing the new Bard Quiet-Climate 2 wall-mount heat pump and found it to be 20 to 35 times quieter, 44% more efficient in cooling, and 38% more...

Design and construction administration for the 21st century.
January 1, 2007... Do the job well--within budget, on time, and for a profit. Sounds simple enough, but where do things get out of sync? Is the staged distribution of the fee in proportion to the amount of work in those stages? What can be done to minimize...

Washington State Capitol: shaken, now chilled.
January 1, 2007... From earthquakes to upgrades, the home of the Washington State Legislature has seen a lot of activity in recent years. The rumblings kickstarted the retrofit process, and the resulting improvements have represented a tectonic shift in the...

UFAD UFOs (Unsubstantiated and/or False Obfuscations).(underfloor air distribution systems)
January 1, 2007... With an unconventional approach and now LEED[R] implications, underfloor air garners a variety of opinions these days. The author considers the sources and examines the alleged pros and cons. What about leakage? Or mold? Or the cold foot...

DOAS and homeland security: in the event of a bioterrorist attack, would having a VAV or DOAS system make a difference? Would one system or another make a difference in the speed of flushing out the contaminant? Or in spreading contaminant through various spaces? Or does filtration selection come into play, too? The correct answer is yes, yes, yes, and yes.(Dedicated Outdoor/Outside Air System)(Variable Air Volume)
January 1, 2007... The central thrust of this article is to present the results of transient concentration response analyses to undesirable contaminant releases in the vicinity of the outdoor air (OA) intake, or directly into occupied zones. In the analyses, it...