heating and cooling system

Ngày tải lên: 27/06/2014, 05:20

... 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 . 3. GSHP system ... 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, ... 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: 25/01/2014, 15:20

Ngày tải lên: 25/01/2014, 15:20

Ngày tải lên: 13/04/2013, 11:10

... Command from PC to phone, request send an SMS message to 3.2.4 Structure of ACK command from phone to PC Type: type command of command needed to ack IV. Details of the links in the system ... some PC to connect to remote PC and send device control command. To do that, we open a chat window from YM and send a message which contains standard control commands (ex: D01: ON#, Reload# ) ... 1221) and IP for each PC. The program on center PC is designed to send control commands (messages) to remote PC after connecting successfully. The program on remote PC will receive commands and...

Ngày tải lên: 25/04/2013, 11:25

... 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, 14:58

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 ... or characteristic. Let A stands for actuators, B stands for sensors, and C stands for translational motion microstructure. Then, the region ABC represents actuators and sensors which are synthesized ... 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

... the assigned command and events r i (t) and system outputs y i (t), and the end-to- end error vector is e t r t y t( ) ( ) ( ) = − ; • ∑ = j i i tx 0 )( is the state, event, and decision variable ... 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,...

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

... institute’s system must be reliable, and secure. Open System: The application server also must be an open system, using standard protocol to make it easier to add or change services, devices, and apply ... financial system in a short time. The WebSphere application server will handle the data dynamically and adapt it to the handheld device. Also it can run multiple applications and requests, and can ... 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...

Ngày tải lên: 26/10/2013, 16:15

... functional whole and then to remove and replace less reliable subsystems. Challet and Johnson estimate that one-half of the components could be significantly imperfect and yet the system as a whole ... 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 ... plausible and reflect the essence, if not the minute detail, of energetic and molecular properties and propensities of the natural system – or at least that they reflect the consequences of such systems...

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

Ngày tải lên: 21/11/2013, 13:49