1、 If youve put off improving your building control system because you already have one in place, scrap that excuse. Now you can have a MetasYs Facility Management System from Johnson Controls without the added costs of rip- ping out your current system. With software from Centaurus Systems, Metasys c
2、an now con- ml equipment hm Honeyweli, Robertshaw, Barber-Colman and Ian Selim R. Suntur; and Merk Sapci Linking HVAC System Design and Operation Through Integrated Controls By William J. Landman, P.E. Going Green: The Advent of Better Buildings By S. Richard Fedrizzi Subsurface Ground Temperature:
3、Implications for a District Cooling System By Robert E. McCabe, P.E.; Joel J. Bender; and Kenneth R. Potter Special Sections Trends and Issues Section ASHRAE Winter Meeting Preview ASHRAE Technical Program Valves and Pumps A roundup of available products 1995 Author/Subject Index ASHRAE“ Journal (SS
4、N-0001-2491) PUBLISHED MONTHLY, Copyright 1995 by the American Society of Heating Refrigerating and Air Conditioning Engineers Inc 1791 Tullie Circle N E Atlanta GA 30329 Second class postage paid at Atlanta Georgia and additional mailing offices CHANGE OF ADDRESS must be received at subscription of
5、tice eight weeks before effective date Send both old and new addresses for the change MISSION STATEMENT-ASHRAE Journal reviews current HVAC L. William mer, frst vice president, Kansas City, Mo.; James M. Boone, second vice president, Fresno, Calif.; and Gerald T. Parks Jr., secretary-treasurer, Seat
6、tle, Wash. and extemai examination and a test by interioi hydrostatic pressure. Maureen Beatty of NRI said the program meets federal standards which require that recovery cylinders be hydrostatically recertified every five years. McQuay Adds Sales Reps MINNEAPOLIS-McQuay International has announced
7、that Denver-based Haynes Mechanical Systems has joined its network of sales representatives. Haynes, which has a staff of about 100 sales associates, will sell McQuay, AAF and BarryBlower products in Colorado and parts of Wyoming. Belimo Joins Exchange WETZIKON, Switzerland-The Belimo group, a 20-ye
8、ar-old manfacturer of damper control devices, is going public and will be listed on the Zurich Stock Exchange. Anton H. Hutte, board chairman, said the move is intended to assure the companys indepen- dence and to guarantee continuity in the groups management. Belimo recorded a 22% increase in sales
9、 in 1994, and an 8% increase in sales during the first five months of 1995. The companys main product is damper actuators which use Belimos innovative direct-coupled motors. According to Euro- pean industry analyst Jean-Michel Gurret, the move further establishes Belimo in the conti- nents HVAC mark
10、etplace. “Belimo is a small company known for high product quality” he said. “Coing public is a sign of managements confidence in its ability to continue posting sales increases! Donation Helps Students KNOXVILLE, Tenn.-Students in the Col- lege of Engineering at the University of Ten- nessee used a
11、 donated refrigerant recovery system to help them win the 1995 Hybrid Electric Vehicle Challenge. The system, donated by Carrier and its east Tennessee distributor, Andrews Distributing Company, helped the students stay within their $30,000 budget. It also helped them meter the refrig- erant for the
12、 cars heat pump cooling and heating system, and comply with legislation prohibiting the venting of CFCs to the atmosphere. The winning car, a converted Chrysler Neon, won $7,500 and seven trophies. ARW-NHRAW Still Talking LAS VEGAS-Members of the Air- conditioning and Refrigeration Wholesalers (ARW)
13、 have voted to continue talks on a joint convention and merger with the North- american Heating, Refrigeration in 1995, that percentage has grown to 82%. This reflects the declining contribution by the federal government which has dropped by 16% in current dollars. Industrial R the members represent
14、 80% of US industrial R telephone(713)583-4087. fax(713) 537-1721 AAAS ANNUAL MEETING February 8-13 The American Association for the Advancement of Sciences Annual Meeting. Baltimore, Maryland. Contact: AAAS MeetingsOffice. 1333 H Street, NW, Washington, DC 20005; telephone (202) 326-6450, e-mail: a
15、msie96aaas.org. INDUSTRIAL VENTILATION CONFERENCE February 11-16 The 45th Annual Industrial Ventilation Conference. Michigan State University, East Lansing, Mich. Spon- sored by the Michigan Department of Public Health. Contact: Christine Hundt, Michigan Department of Public Health, Division of Occu
16、pational Health, PO Box 30195, Lansing, MI 48909; telephone (517) 335-8230. ACCA ANNUAL MEETING February 14-1 7 The 28th Annual Meeting of the Air Conditioning Contractors of America. Stouffer Waverly Hotel, Atlanta, Ga. Contact: ACCA, 1712 New Hampshire Ave., NW, Washington, DC 20009. ASHRAE WINTER
17、 MEETING February 17-21 The American Society of Heating, Refrigerating and Air Conditioning Engineers Annual Winter Meeting. Georgia World Congress Center. Atlanta, Georgia. Contact: ASHRAE Meetings Department, 1791 Tullie Circle, NE, Atlanta, GA 30329; telephone (404) 6368400, fax (404) 321-5478. A
18、SHRAE/ARI INTERNATIONAL AIR-CONDITION- ING, HEATING, REFRIGERATING EXPOSITION February 7g21 The ASHRAEIARI Exposition. Georgia World Con- gress Center, Atlanta, Georgia. The exposition, co- sponsored by ASHRAE and the Air-Conditioning and Refrigeration Institute, is held during the Societys Winter M
19、eeting. Contact: International Exposition Co., 15 Franklin Street, Westport, CT 06880; telephone (203) 221-9232. fax (203) 221-9260. March COMFORT CONFERENCE March 17-22 The 1996 Affordable Comfort Conference. The Palmer House Hilton. Chicago, Illinois. Contact: Helen Perrine, AC1 Executive Director
20、, Airport Cor- porate Center, 894 Beaver Grade Road, Coraopolis. PA 15108; telephone (412) 299-1136, fax (412) 299-1 137 April SOLAR 96 April 13-18 National Solar Energy Conference, featuring the 25th ASES Annual Conference and the 21st National Passive Solar Conference. The Grove Park Inn Resort. A
21、sheville, N.C. Sponsored by the American Solar Energy Society. Contact: ASES, 2400 Central Ave., Suite G-l. Boulder. CO 80301 CLEANROOMS 96 EAST Apri/ 22-25 Cleanrooms 96 East Conference. John B. Hynes Veterans Memorial Convention Center, Boston. Mass. Contact: Witter Expositions, 84 Park Avenue, Fl
22、emington, NJ 08822; telephone (908) 788-8868, fax (908) 788-9381. May BUILDING SYSTEMS SYMPOSIUM May 13-14 The 10th Symposium on Improved Building Systems in Hot and Humid Climates. Radisson Plaza Hotel, Ft. Worth, Tx. Co-sponsored by ASHRAE. Contact: Liz Trahan, Energy Systems LablWERC 053, College
23、 Station. TX 77843-3123; telephone (409) 8622291. fax (409) 862-2457. APPLIANCE CONFERENCE May 13-15 The 1996 International Appliance Technical Con- ference. Purdue University, West Lafayette Indiana. Sponsored by the Appliance Industry Committee. and co-sponsored by ASHRAE, ARI, ASME and more Conta
24、ct: IATC, 15906 Benton Court, Tampa, FL 33647; telephone (813) 979-0364; fax (813) 979-0415 Upcoming conferences outside the US March 22-24,1996. CEX 96. The 13th Biennial Trade Exhibition for the Canadian Environmen- tal Industries. Metro Toronto Convention Center, Toronto, Ontario, Canada. Sponsor
25、ed by the Heating, Refrigerating and Air-Conditioning Association (HRAI), and the Canadian Institute of Plumbing and Heating (CIPH). Contact: CEX 96,25 Bradgate Rd., Don Mills, Ontario, Canada M3B 1 J6; telephone (416) 444-5225: fax (416) September 29-October 1, 1996. ASHRAEI CIBSE 1996 JOINT CONFER
26、ENCE. Future Buildings: The evolving role of the services engi- neer. Harrogate International Center, Harrogate, North Yorkshire, England. Co-sponsored by ASHRAE and CIBSE. Contact: ASHRAE, 1791 Tullie Circle, NE, Atlanta, GA 30329: telephone (404) 636-8400; fax (404) 321-5478. 444-8268. Call for pa
27、pers ASHRAE JOURNAL ASHRAE Journal has issued a call for papers for upcoming issues of the magazine ASHRAE Journal publishes manuscripts that are 10 to 12 doublespaced pages in length with a maximum of four illustrations (ligures, tables or photographs) All manuscripts are subject to editorial board
28、 and peer reviews Authors should submit detailed abstracts before sending manuscripts Abstracts and manuscripts should be sent to William R Coke6 Editor, ASHRAE Journal 1791 Tullie Circle NE, Atlanta, GA 30329, telephone (404) 636-8400, fax (404) 321-5478. e mail bcoker ashrae org HVAC (404) 636-840
29、0. fax (404) 321 -5478, e-mail ebowenashrae.org INTELLIGENT BUILDINGS CONGRESS A call for papers has been issued for the 2nd Interna- tional Congress on Intelligent Buildings, to be held March 4-6. 1997 in Tel-Aviv, Israel Presentation should be based on new material on any topic related to Intellig
30、ent Buildings and will be giveninEnglish. Abstracts(a maximum of 200 words) are due by March 25, 1996. Final manuscripts will be due September 25, 1996. Send papers to: Dr. Hillel Arkin. National Building Research Institute, Technion, Haifa 32000, Israel; telephone 972 429-3039. fax 972 432-4534. PU
31、RDUE CONFERENCES The International Compressor Engineering Con- ference and the International Refrigeration Con- ference, both scheduled to held at Purdue University, West Lafayette, Ind., July 22-26, 1996. Abstracts should be no more than 500 words for each paper. The abstract- including title. auth
32、ors affiliation, address, fax, e-mail and phone numbers- should be typewritten, single-spaced thoughout, in Englishand nomorethantwosheetsof 8-1/2x 11 inch paper, A sketch or figure can be included on a third page if necessary Abstracts are due by January 2, 1996. Notification of acceptance will be
33、sent byFebruary9,1996 and final manuscripts will be due by May 1. 1996 Send abstracts to: Cynthia Quillen. Herrick Laboratories Technical Pro- gram Secretariat, Purdue University, 1077 Ray W. Her- rick Laboratories, West Lafayette, IN 47907-1077; telephone (317) 4946078, fax (317) 494-0787. e-mail h
34、erlconfecn.purdue.edu. CLIMA 2000 A call for papers has been issued for the sixth edition of Clima 2000 to be held in Brussels, Belgium, August 29-September 2, 1997. Technical topics include: IAQ, controls and building automation, energyand environ- ment, refrigeration, building physics and general
35、applications. All papers should be submitted in English, and a one-page abstract noting the scope of the topic, scope of the paper, what is new in the work presented and the completeness or practical aspects of the topics. Abstracts are due April 1, 1996, and selected by September 1, 1996. Final pap
36、ersare due December 31, 1996 and selected February 28, 1997. For more information, contact: W. Stephen Comstock, ASHRAE Headquarters, 1791 Tullie Circle, NE, Atlanta, GA 30329; fax (404) 321-5478 ASHRAE Journal December 1995 20 ASHRAE TITLE*JOURN 37-L2*HHSGG 95 m 0757650 0538672 577 m For everyone w
37、ho works to promote well-being a o r everyon es well-being Designers, consultants, engineers, in- stallers, interior designers, and the tra- de are getting set - thirtieth time a- round - for a five-day event that comes every two years, each and every time offering a second-to-none opportunity for g
38、etting the low-down on whats up At the last outing, in 1994, the world- class status of Mostra Convegno Ex- pocomfort was confirmed by the pre- sence of 2,300 exhibitors from a total of 35 countries, who displayed their wares to over 186,000 visitors, from some 99 countries. Mostra ConveEno in the s
39、ector, seeing the most innovative ideas, and ex- changing news and views at the conferences and semi- nars that complement the main trade fair proper. Expocomfort presents the latest in quality, efficiency and safety in all areas of this sphere, while respecting environmental resources. Igl 30th mos
40、tra convegno expocomforV27-31 march 1996 milan F2:D fairgrounds heating, air conditioning, refrigeration, plumbing ilSHRAE Journal December 1995 21 ASHRAE TITLE*JOURN 37-12WHHSGG 95 0759b50 0518b73 403 = Cet Connected To Your #l HVAC aam Plug Into dozens of new computer 1 - - I 1 I I 1 1 YES, please
41、 send me two discount registration tickets. 0 Please send details about exhibiting. Name Title Company I I I I I 1 (Circle No. 11 on Reader Service Card) 22 ASHRAE Journal December 1995 ASHRAE TITLEUJOURN 37-L2*HHSGG 95 m 0759b50 O538674 34T m ASHRAEJOURNAL Hybrid WAC Systems When should the sensibl
42、e, latent, and other functions of an HMC system be decoupled? By ibrahim B. Kilkis, Ph.D.; Selim R. Suntur; and Meric Sapci Member ASHRAE Life Member ASHRAE D uring the technological evolu- tion for human comfort, indoor heating was identified first. An important late 19th century development was th
43、e widespread use of central heating systems. These systems had only one function; to transfer sensible heat to indoor spaces. Industrial necessity, rather than a desire to improve human comfort, prompted the early recognition of other indoor require- ments. Willis Carrier developed a humidity contro
44、l device in 1902 for a lithographic and publishing plant to preserve paper from,the effects of excess humidity. Later, indoor humidity control and comfort cooling were determined to improve the factory produc- tivity by about 51% in a factory. Soon after, new HVAC components such as cooling, ventila
45、tion, humidity con- trol and indoor air quality assurance were defined. In the meantime, buildings became function specific, and their special indoor requirements were also identified. Radiant Temperature Asymmetry, Vertical Air Tem- perature Profile, Operative Temperature (OT), Mean Radiant Tempera
46、ture (MRT), Effective Radiant Flux (ERF), air velocity, and Turbulence Intensity (Tu); are especially important for spaces with special functions like offices, schools, hospitals, museums and libraries. As a consequence of new comfort vec- tors and indoor air quality requirements, new functions were
47、 superimposed on the sensible heat transfer. In other words, while The Ankara Museum of Ethnography in Ankara, Turkey diverse functions were identified and assigned, the central forced-air system even- tudy became a multi-function system. This concept of coupling the HVAC functions at the plant, dis
48、tribution, and delivery levels dominated the industry until recently. Diver- sity of HVAC functions, and the precise control requirements now call for the relief of a single and “overloaded” central system from performing too many tasks simul- taneously. When the sensible, latent, and other function
49、s are decoupled; it becomes possi- ble to employ more function-specialized, dedicated and alternative distribution and delivery systems. Increase in efficiency, system agiiity, and response flexibility are the benefits which are indicated by the follow- ing factors. Human thermal comfort Recent studies have indicated a stronger relationship between thermal com- fort, and Mean Radiant Temperature, Operative Temperature and Radiant Asym- metry. While an air system cannot directly control the Mean Radiant T
