ASHRAE Journal - October 2012 - 80

will expand-on and update the materials within the current edition. This project is to be completed in three phases: (1) reviewing literature and collecting data within a wide field, including the studies made by ASHRAE TRG 4 - Sustainable Building Guidance and Metrics (SBGM) - and other committees focused on carbon emissions, building metrics, and sustainability, and making a re-collection of all such materials, complete with proper links and associative algorithms, (2) revising the manuscript and incorporating the comments from the voting members of the participating TCs and other experts in the field, and (3) reporting the results to the ASHRAE membership.

The tests are to be conducted in compliance with ANSI/ASHRAE Standard 120-2008, “Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings”, except (1) the flow measuring station velocity shall not exceed 1.5 m/s (300 fpm), and (2) the entrance duct length to the test fitting shall be increased from 10 hydraulic diameters to 12 diameters. Update Climatic 1613-RP of Fundamentals Design Data in Chapter 14 of the 2013 Handbook
June 2011 – May 2013; Numerical Logics Inc.; Principal Investigator, Didier Thevenard; TC 4.2, Climatic Information; Co-sponsor: TC 4.1, Load Calculation Data and Procedures

1596-RP Ventilation and Indoor Air Quality in Retail Stores

July 2010 – December 2012; University of Texas – Austin; Principal Investigator, Jeffrey Siegel; TC 4.3, Ventilation Requirements and Infiltration

Retail buildings in the United States account for approximately 20 percent of commercial sector energy consumption and represent the fastest growing commercial subsector (DOE, Energy Efficiency and Renewable Energy, Building Technologies Program, 2009). The potential for impact from this project on both indoor air quality and energy efficiency is significant. The primary objective of the proposed investigation is to develop a robust database of indoor air quality, ventilation, occupant surveys, and building measurements for the U.S. retail building stock. This database will be used to determine the relationship between ventilation rate and indoor air quality and occupant satisfaction with the goal of recommending appropriate minimum ventilation rates for different categories and locations of retail establishments. The primary user of these results within ASHRAE will be ASHRAE SSPC 62.1 and TC 4.3. Building designers will also be provided with data that will allow improved application of the Standard 62.1 IAQ Procedure. Funding for the project and ASHRAE administrative costs is provided through a $1.5 million dollar grant from the NIST Measurement Science and Engineering Research Grants program.

The climatic design conditions in the HOF Chapter 14 are fundamental for the sizing and design of building energy systems to allow for optimal energy efficiency measures and ensure that the design conditions are related to the energy system capacity to meet the climatic loads in a probabilistic sense. Regular updating of the climatic conditions is critical in this respect for many practical reasons and to show due diligence in a world of changing climate.

1616-RP

Revise Load Calculation Application Manual (2009)

April 2012 – March 2013; Oklahoma State University; Principal Investigator, Jeff Spitler; TC 4.1, Load Calculation Data and Procedures

The objective of the project is to revise the Load Calculations Application Manual, 1st edition to produce a second edition. The second edition will: Incorporate results from recently completed ASHRAE research projects RP-1453, RP-1363, RP-1311 and RP-1362. Consider incorporating results from ASHRAE research projects RP-1482 and RP-1416, due to be completed in 2010 and 2011 respectively, if completed in time and if they provide relevant data for the Manual. Update the example problems to utilize floor plan and construction data for the renovated ASHRAE HQ building. Update the software spreadsheets included with the manual to incorporate the new load calculation procedures. Produce separate IP units and SI Units versions of the manual. Data and 1633-RP Operation Interfaces for Advanced Building Maintenance and
July 2011 – June 2013; KGS Buildings LLC; Principal Investigator, Stephen Samouhos; TC 1.4, Control Theory and Application; Co-sponsors: TC 7.5, Smart Building Systems; TC 7.6, Building Energy Performance; TC 7.9, Building Commissioning

1597-RP Stochastic Control Optimization of Mixed-Mode Buildings

April 2010 – March 2013; University of Colorado – Boulder; Principal Investigator, Gregor Henze; TC 1.4, Control Theory and Application

The primary purpose of heating, ventilating, and air-conditioning systems is to provide acceptable indoor air quality and thermal comfort. Mixed-mode ventilation systems provide good indoor air quality and thermal climate using natural ventilation whenever the outdoor weather conditions are favorable, but revert to mechanical systems for HVAC whenever external conditions are too harsh. A mixed-mode building should switch between these two modes of operation according to seasonal and diurnal variations in the indoor thermal conditions and the outdoor environment. Such a building requires an intelligent control system that can switch automatically between natural and mechanical modes in such a way that minimizes energy consumption without compromising indoor air quality or the thermal comfort of its occupants.

1604-RP Demand Controlled Filtration for Cleanrooms

September 2011 – September 2013; Engsysco, Inc.; Principal Investigator, Wei Sun; TC 9.9, Clean Spaces

Develop a set of standard data-driven metrics, interfaces and dashboards for advanced building operation and management, segmented by building typology and stakeholder needs; prototype those dashboards, document methods of data collection, and test those metrics with real building data. Provide this body of work to help fill the void in standards literature for informing designers and practitioners on how they can use building data to improve building operations, energy efficiency, comfort, and sustainability. Perform fundamental field work by evaluating EMCS data and interfaces in 50+ buildings across the United States including 5 different EMCS platforms and 6 different building types, interview 50+ stakeholders, prototype and test 15+ complete dashboards, and review the pertinent technical literature. The following unsolicited research proposal is a direct adaptation of a previous ASHRAE RFP 1502-TRP, which received no bids when it was circulated for bids in spring 2010.

Very little research has been done on dynamic control of airflow to control particles in cleanrooms - matching airflow to the desired contamination limits. The high energy use and resulting cost for typical systems today and concern over availability of electricity suggests that the ventilation rate should be adjusted in order to achieve the desired cleanliness yet minimizing excess airflow. Up till now, this technology was not applied, as real time particle measurement systems did not have both sufficient precision, reliability, and cost effectiveness, and controls did not have adequate reaction time. Also owners and operators of industrial cleanrooms have been hesitant to make changes to the air exchange rates in cleanrooms due to misconceptions that varying flow rates through cleanroom filters will disrupt the flow and cause particle counts to increase. The main objective of this project is to establish a scientific approach to implement demand controlled filtration (ventilation rate) for cleanrooms for the two cleanroom classes (ISO, 7 and 8, (10 000 and 100 000) that have the broadest application. For example, these two classes comprise 85 to 90% of pharmaceutical class rooms. Based on the results of this research, a future project could well research applying this approach to other more stringent classes.

1646-RP

Measurements of Thermal Conductivity of Pipe Insulations at Below Ambient Temperatures and in Wet Condensing Conditions with Moisture Ingress

June 2012 – December 2013; Oklahoma State University; Principal Investigator, L. Cremaschi; TC 1.8, Mechanical System Insulation

The ASHRAE Fundamentals Chapter 23 - Insulation for Mechanical Systems - emphasizes that the thermal performance of insulation on cold piping systems lacks credible information. Prior to the work performed under the ASHRAE funded research project RP-1356, there was no procedure for determining the thermal performance of pipe insulation systems below ambient conditions. Moisture ingress into piping can lead to degraded service life and lower performance of the systems, corrosion of the pipes, and mold growth on the surfaces inside the buildings. These are major issues that comprise the energy efficiency of chiller water piping, whose industry alone makes-up 15 to 25% of the piping in the United States. The findings from the proposed research could assist in the development of sustainable designs, installation procedures, and moisture condensate management in insulation systems of cold pipes. Development of Technically Achievable 1651-RP for CommercialMaximum (Ultra Low Energy Use Energy Targets Buildings Building Set)
April 2012 – March 2014; GARD Analytics, Inc.; Principal Investigator, Jason Glazer; MTG.ET, Energy Targets

1606-RP Laboratory Testing of Flat Oval Transitions to Determine Loss Coefficients
October 2011 – January 2013; University of Illinois; Principal Investigator, Yuanhui Zhang; TC 5.2, Duct Design

More reliable data and/or a large database of fitting loss coefficients will help ASHRAE members and others to better design ductwork for their clients, enabling more accurate pressure drop calculations and less safety factor. This will allow fans to be sized properly, reducing energy consumption and wasted material. It should also generate an increase in sales for the ASHRAE Duct Fitting Database. The objective of this research is to test flat oval transition fittings to determine their total pressure loss coefficients, and update the ASHRAE Duct Fitting Database (2009).

This research will provide information that can be considered by relevant ASHRAE standard project committees (PCs) in planning advancements to Standard 90.1, Standard 189 and the Advanced Energy Design Guides. ASHRAE Standard 90.1 is referenced in the U.S. Energy Policy Act and sets a minimum efficiency level for state energy codes. Standard 189.1 provides a benchmark for design of high performance green buildings. The Advanced Energy Design Guides enjoy wide distribution and provide a prescriptive path to low energy buildings.

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ASHRAE Journal

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October 2012
ASHRAE Journal - October 2012

Table of Contents for the Digital Edition of ASHRAE Journal - October 2012
