UNIFIED FACILITIES CRITERIA (UFC): HEATING AND COOLING DISTRIBUTION SYSTEMS ppt

... INFORMATION 1-1. PURPOSE AND SCOPE. This document provides criteria and guidance for the design and construction of heating and cooling distribution systems and supplements information in ... These distribution systems include Heat Distribution Systems in Concrete Trenches, Pre-engineered Underground Heat Distribution Systems, Prefabricated Underground H...

Ngày tải lên: 27/06/2014, 05:20

... class="bi xc y41 w4 ha" alt="" UFC 3-410-05N 16 January 2004 UNIFIED FACILITIES CRITERIA (UFC) HEATING SYSTEMS OPERATION AND MAINTENANCE Any copyrighted material included in this UFC ... permission of the copyright holder. U.S. ARMY CORPS OF ENGINEERS NAVAL FACILITIES ENGINEERING COMMAND (Preparing Activity) AIR FORCE CIVIL ENGINEER SUPPORT AGENCY...

Ngày tải lên: 27/06/2014, 05:20

... offices and work spaces, for community housing facilities on and off the base, and for per- sonnel involved with the operation and mainte- nance of the engines and plants. 2-4. Vibration criteria. Reciprocating ... 3–1 and 3–2 of the N&V manual summarize the octive- band sound pressure levels and the suggested ap- plications of the NC and PNC curves. Also, in the N&am...

Ngày tải lên: 27/06/2014, 05:20

... OF MANUAL 1-1. Purpose and scope. This manual provides noise control data and analy- sis procedures for design and construction of die- sel, gas, and gas turbine engine facilities at mili- tary ... new construction and to major alterations of existing structures. U.S. military facilities that require higher standards because of special functions or missions are not covered in th...

Ngày tải lên: 13/02/2014, 23:20

... \1\ The Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies ... Specification 9-4 B-1. Bandwidth and Geometric Mean Frequency of Standard Octave and 1/3 Octave Bands B-6 TM 5-805-4/AFJMAN 32-1090 Table 4-7. Transmission Loss (in dB) of Plywood,...

Ngày tải lên: 28/03/2014, 18:20

... reads the annual TRNSYS heating and cooling load profile so as to determine the values of the peak heating and cooling loads for each month of the year (see Table 2) and their durations. Moreover, ... geometrical attributes and inf H the factor of opening’s position and air force exposure. Annual heating demand of the building is 33.78 kWh/m 2 whereas cooling dema...

Ngày tải lên: 05/09/2013, 16:10

... systems analysis, thermal and physical processes and equipment, internal combustion engines, utilization of renewable energy sources and de- pollution systems and technology for industrial and ... Labs Building Energy Consumption [kWh/m 2 /a] IWEC -Heating IWEC -Cooling TMY-2 -Heating TMY-2 -Cooling Figure 6. Energy Consumption per heating/ cooling area of the buildin...

Ngày tải lên: 05/09/2013, 16:10

... indoors and outdoors), and knowledge and use of sound (and vi- bration) treatments to bring the equipment into conformance with the criteria conditions applicable to the work spaces and neighboring ... addition. ” b. Step Z, criteria. (1) Applicable criteria are discussed in the N&V manual (chap. 3 for sound and chap. 4 for vi- bration) and are summarized in paragraphs...

Ngày tải lên: 27/06/2014, 08:20

... CRC Press LLC 6 Distribution Systems William H. Kersting New Mexico State University 6.1Power System LoadsRaymond R. Shoults and Larry D. Swift 6. 2Distribution System Modeling and AnalysisWilliam ... the exponents α and β and the power factor (pf) relate directly to Eqs. (6.3) and (6.5). The first six parameters relate to general load models, some of which include motors, and...

Ngày tải lên: 05/03/2014, 16:20