heating and cooling systems cost

Ngày tải lên: 27/06/2014, 05:20

... 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 demand is 27.34 kWh/m 2 . ... temperature estimations (average deviation ±2.5 K) when annual heating and cooling demand values are close and approximately equal to 30 kWh/m 2 and it is assumed heat pump absence. 5. Conclusion...

Ngày tải lên: 05/09/2013, 16:10

Ngày tải lên: 05/09/2013, 16:10

Ngày tải lên: 27/06/2014, 17:20

Ngày tải lên: 27/06/2014, 17:20

Ngày tải lên: 08/08/2013, 14:22

... SHU: Short-term and Heavy rainy, SDG: S hort-term and Drainage, LSD: Long-term and Stagnant, LHT: Long-term and Heavy rainy, LMK: L ong-term and Monsoon flood, PDL: Persistent and Drainage, PHS: ... supply and (c) sanitation systems and attitudes for (d) water treatment at home, (e) children’s defecation habits and (f) hygiene practices Note: Communities code name, SRM: Short-term and Rainy, ... no latrine at all Hand washing with soap before eating Hand washi ng without s oap before eating No hand washing before eating Hand washing after defecation with soap Hand washing after defecation...

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 05/09/2013, 15:28

Ngày tải lên: 04/10/2013, 19:10

... rotational, and hybrid actuators and sensors can be synthesized, and a motion classifier is { } ℵ∈=ℵ nn: . Therefore, we have ( ){ } ℵ∈∈∈∈=ℵ××× nTtGgMmntgmTGM and, ,:,,, . Winding and cooling, power and ... for their efficiency and fitness. Performance (regret) functionals can be designed to integrate weighted cost integrands (terms), and linear and nonlinear optimization (linear and nonlinear programming) ... excitation, air gap and winding configurations, cooling and other important quantities. All possible actuator and sensor configurations can be classified using endless (closed) and open-ended (open)...

Ngày tải lên: 17/10/2013, 11:15

... require 104 Kbps extra bandwidth in the busiest hour at HQ and six lines at each remote site require 62.4 Kbps extra bandwidth. Bandwidth at HQ and the remote sites is sufficient and no increase is ... courses and enhanced, hands-on labs offer practical skills and tips that you can immediately put to use. Our expert instructors draw upon their experiences to help you understand key concepts and ... for voice and data integration using voice over IP (VoIP) are catching the attention of CFOs, CIOs and others involved on the cost side of any business. This white paper will show the cost justifica- tion...

Ngày tải lên: 18/10/2013, 18:15

... NANO- AND MICROELECTROMECHANICAL SYSTEMS 4.1. FUNDAMENTALS OF ELECTROMAGNETIC RADIATION AND ANTENNAS IN NANO- AND MICROSCALE ELECTROMECHANICAL SYSTEMS The electromagnetic power is generated and ... fields, electric and magnetic field vectors form separate and independent pairs. That is, E and D are not related to H and B, and vice versa. However, for time- varying electric and magnetic fields, ... closed-loop systems use the data from different sensors, feedback commands (controls) are generated and executed, and intelligent updates and evolution are performed. The feedback for sensor and control...

Ngày tải lên: 19/10/2013, 18:15

... the stator and rotor circuitry dynamics. As the control and state variables we use the voltages applied to the stator (as and bs) and rotor (ar and br) windings, as well as the stator and rotor ... bs , and i cs are the phase currents in the stator windings as, bs and cs; i i qs ds , and i os are the quadrature-, direct-, and zero-axis components of stator currents; ψ ψ as bs , and ... ds , and ψ os are the quadrature-, direct-, and zero-axis components of stator flux linkages; u u ar br , and u cr are the voltages in the rotor windings ar, br and cr; u u qr dr , and u or ...

Ngày tải lên: 19/10/2013, 18:15

... changing standards for APIs, gateways, security methods, screens, operating systems, and browsers. There are also variable computing powers on the handheld devices and different bandwidth requirements. Wireless ... wireless coverage, cost reduction in networking, and improvement in handheld devices, and bandwidth efficiency. Today, we can accomplish far more in wireless services, where it was not cost justifiable ... install, configure and add new services: • The client application must be easy to install, customize, and add new handheld devices. • Easy to Integrate with other servers and Back-End systems: • Integration...

Ngày tải lên: 26/10/2013, 16:15

... Evolution and the Meanings of Life. New York: Simon and Schuster. Depew, D. J. 1998. Intelligent design and irreducible complexity. A rejoinder. Rhetoric and Public Affairs 1: 571–8. Depew, D. J., and ... Evolutionary Systems: Biological and Epistemological Perspectives on Selection and Self-Organization, ed. G. Van de Vijver, S. N. Salthe, and M. Delpos. Dordrecht: Kluwer, pp. 59–66. Weber, B. H., and ... Brains, Cities, and Software. New York: Scribner. Joyce, G. F., and L. E. Orgel 1993. Prospects for understanding the origin of the RNA world. In The RNA World, ed. R. F. Gesteland and J. F. Atkins....

Ngày tải lên: 01/11/2013, 07:20

... is H 4 = " H 2 H 2 H 2  H 2 # = 2 6 6 6 4 1111 1  11  1 11  1  1 1  1  11 3 7 7 7 5  (1.45) where row 1 and column 1 are Walsh code 0, or w 0 ;row3andcolumn3arew 1 ;row 4and column 4 are w 2 ; and row 2 and column 2 are w 3 . The Walsh code number w j is ... vectors g 1 = 101 ] and g 2 = 111 ] (1.17) and the corresponding code word  c 2  c 1 ] ,where c 1 = 2 6 4 b 2 b 1 b 0 3 7 5 g 1 and c 2 = 2 6 4 b 2 b 1 b 0 3 7 5 g 2  (1.18) and where b 0 , b 1 ,andb 2 are ... polynomials g 1 ( z )= 1 + z 2 and g 2 ( z )= 1 + z + z 2  (1.19) where 1 denotes the present input bit, and z and z 2 represent the previous input bits having one and two clock period delays, respectively, and + is...

Ngày tải lên: 07/11/2013, 16:15

... 19” and 23” LPS-745P-24DC L1 rack mount brackets, license for basic software and documentation 09/06 • 102158AE LoopStar ® 745 and LoopStar ® 745 P LoopStar ® 745 and LoopStar ® 745P Cost- Effective ... managed remotely and new services can be turned up quickly and easily without any truck rolls, providing huge operational savings. The LoopStar 745 and LoopStar 745P also offer two hands-off cable ... 10/100BT, DS3 uplink) *Includes: 1 AC power supply and AC power cord, 19” and 23” LPS-745-AC L1 rack mount brackets, license for basic software and documentation LPS-745-48VDC Package (2 10/100BT,...

Ngày tải lên: 10/12/2013, 19:15

... of the variations in the terrain and the distribution of buildings and streets. We allow for these variations by introducing a random variable λ having zero mean and standard deviation σ. Often λ ... random variable of the error in S 0 (dB) δ 0 random variable of the power control error in the received interference power ε random variable with standard deviation p 2 σ e λ shadow fading random ... variations using a log-normal distribution having a standard deviation of 4 dB and 3.5 dB for LOS and OOS paths, respectively [26]. The effect of path loss and shadow fading on the received signal power...

Ngày tải lên: 14/12/2013, 23:15

... filter pass band extends from 0 to f p and the stop band extends from f s to ∞. Within the pass band the filter response is prescribed within the limits  δ 1 , and within the stop band the filter ... PNI and PNQ codes, baseband filtered and modulated onto two quadrature carriers using the phase mapping described in Table 4.7. The PNI and PNQ codes have the same offset as the pilot channel and ... PNI and PNQ sequences dis- play perfect cross-correlation (see Equation (4.26)) and autocorrelation (see Equations (4.31)– (4.34)) properties. This is not so in the practical cdmaOne systems and...

Ngày tải lên: 14/12/2013, 23:15

... interfering mobile and zeroth BS, is r j = q D 2 j + r 2  2D j r cos ( ϕ ) (5.81) and ζ is the difference between λ ij and λ 0 , the independent random variables with zero mean and standard deviation ... b i ( t ) represents random independent binary data, and as a consequence the intracellular interference is a stationary random process. From the Central Limit Theorem, the summation of N  1 independent random ... random variable with zero mean and variance of σ 2 ζ = 2σ 2 , while D j is the distance between the zeroth BS and the jth co-channel BS. Note that a 2 0 j in Equation (5.80) is the path loss and...

Ngày tải lên: 14/12/2013, 23:15