Energy management in building and industry and 439... · Energy management in building and industry…

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<ul><li><p>Energy management in Energy management in building and industry building and industry </p><p>Refrigeration and Air conditioning SystemRefrigeration and Air conditioning System</p><p> Room 413 E-mail: cchainar@engr.tu.ac.th</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 2</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 3</p><p>- </p><p>- </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 4</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 5</p><p>1. (Pump) </p><p>2. </p><p>(Pump) </p><p>4. (Pump) </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 6</p><p> (Pump) </p><p>(Low Pressure head) (High</p><p>Pressure Head) </p><p> 2 </p><p>- </p><p>- </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 7</p><p>Centrifugal</p><p>- Roto-dynamic</p><p>Rotary</p><p>- </p><p>Reciprocating </p><p>- </p><p>Special</p><p>- 3 </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 8</p><p>Canned Pump, Magnetic Drive Pump, Intermediate</p><p>Temperature Pump, Turbo Pump, Cantilevered Pump, Trash</p><p>Pump, Vertical Turbine Pump</p><p>(Specialized Pumps)</p><p>Direct Acting Pump, Diaphragm Pump, Rotary Piston Pump,</p><p>Power Pump</p><p>(Reciprocating Pumps)</p><p>Gear Pump, Vane Pump, Com and Piston Pump, Screw Pump,</p><p>Lope Pump</p><p>(Rotary Pumps)</p><p>Volute Pump, Diffuser Pump, Regenerative Turbine Pump,</p><p>Vertical Turbine Pump, Mixed Flow Pump, Axial Flow</p><p>(Propeller) Pump</p><p>(Centrifugal Pumps)</p></li><li><p> 7.2 </p><p> 7.1 </p><p>7. </p><p> 6.2 </p><p> 6.1 </p><p>6. </p><p>5. </p><p>4. </p><p>3. </p><p>6.5 6.56.54.5 4.52. ()</p><p> 1. </p><p>Reciprocating Pumps</p><p>Direct Acting : Double Acting</p><p>Rotary Pumps</p><p>Screw, Gear</p><p>Centrifugal Pumps</p><p>Volute, Diffuser : Axial Flow</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 10</p><p> (Centrifugal Pumps)</p><p>90% </p><p> Centrifugal Pump</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 11</p><p> Volute</p><p> 30 </p><p> Volute</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 12</p><p> Diffuser</p><p> Volute </p><p> (Guide Vane) </p><p> Volute</p><p> Diffuser </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 13</p><p> Axial Flow</p><p> Axial Flow</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 14</p><p> (Rotary Pumps)</p><p> 2 </p></li><li><p> (Rotary lobe) (Rotary gear)</p><p> (Rotary Pumps)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 17</p><p>Centrifugal pump</p><p>Volume = </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 19</p><p> Vertical Turbine</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 20</p><p> 2 </p><p> (Axial Flow Fans)</p><p> (Centrifugal Flow or Radial Fans)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 21</p><p> (Centrifugal Flow or Radial Fans)</p><p> 3 </p><p> (Straight Blade Radial Fans)</p><p> (Forward Curved Blade Fans)</p><p> (Backward Curved Blade Fans)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 22</p><p> 6 20 </p><p> 500 3000 / </p><p> (Straight Blade Radial Fans)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 23</p><p> 20 60 </p><p> (Forward Curved Blade Fans)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 24</p><p> 10 50 </p><p> (Backward Curved Blade Fans)</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 25</p><p> (Axial Flow Fans)</p><p> (Tube Axial Fans)</p><p> Tube axial fans</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 26</p><p> (Vane Axial Fans) </p><p> Tube axial fans</p><p> (Axial Flow Fans)</p><p> Vane axial fans </p></li><li><p> (capacity) () [m3/min] </p><p>() [mmHq] </p><p> multiblade (sirocco) </p><p> 0.5 - 20,000 0.5 - 7.5 [kPa] </p><p>- </p><p>fan ~ 40,000 </p><p>~ 15 [kPa] backward curved wheel (turbo) </p><p>blower ~ 5,000 </p><p>~ 0.1 [kPa] </p><p> ce</p><p>ntrif</p><p>ugal</p><p> airfoil ~ 40,000 ~ 10 [kPa] </p><p> - </p><p> propeller ~ 500 ~ 0.1 [kPa] </p><p> unit heater, unit cooler </p><p> tube ~ 40,000 ~ 10 [kPa] </p><p> ax</p><p>ial f</p><p>low</p><p> vane ~ 60,000 ~ 0.1 [kPa] </p><p>- </p><p> cross flow ~ 500 ~ 1 [kPa] </p><p>fan coil unit </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 28</p><p> (Ns, [rpm]) </p><p> ( axial flow pump) Ns </p><p> ( turbine pump) Ns </p><p>Q : </p><p>H : [m] </p><p>N : [RPM]</p><p>43</p><p>H</p><p>QNN s =</p><p> Ns </p><p>Q N 2H N 3P N</p></li><li><p> radial flow mixed flow diagonal flow axial flow </p><p>centrifugal pump mixed flow pump axial flow pump </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 31</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 32</p><p> (axial flow, radial flow, turbo)</p><p> (roots blower) 9.8-98 kPa</p><p> (axial flow, sirocco, radial </p><p>flow, turbo) 9.8 kPafan</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 33</p><p> = ()= </p><p>= </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 34</p><p> = / </p><p> = / </p><p> = </p><p>: [kPa] : [m3/s] : [kW]</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 35</p><p> = / = 9.8 </p><p> / </p><p> : m3/s</p><p>: kW</p><p>: m</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 36</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 37</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 38</p><p>1 1</p><p>2 2</p><p>Q NQ N</p><p>=</p><p>2</p><p>1 1</p><p>2 2</p><p>H NH N</p><p> = </p><p>3</p><p>1 1 1 1</p><p>2 2 2 2</p><p>P Q H NP Q H N</p><p> = = </p><p>Q </p><p>N </p><p>H </p><p>P </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 39</p><p> (D) (N) (Q) (H) </p><p>(P) 3</p><p>1 1 1</p><p>2 2 2</p><p>Q N DQ N D</p><p> = </p><p> 2 2</p><p>1 1 1</p><p>2 2 2</p><p>H N DH N D</p><p> = </p><p>3 5</p><p>1 1 1</p><p>2 2 2</p><p>P N DP N D</p><p> = </p><p> () </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 40</p><p> (1) a </p><p>V </p><p>V' </p><p>a </p><p>b </p><p>(1) </p><p>(2) </p><p>(3) </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 41</p><p> 2 </p><p> 2 </p><p> 1 </p><p> 1 </p><p> 1 </p><p> 2 </p><p> 2 1 </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 42</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 43</p><p>- </p><p>- </p><p>- </p><p>- </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 44</p><p> ( )</p><p> (capacity) </p><p> (impeller) </p><p> ( )</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 46</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 47</p><p> Cooling tower</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 48</p><p> Cooling tower</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 49</p><p> Cooling tower</p><p> Cooling tower - </p><p>- </p><p>- </p><p>- </p><p> Cooling tower </p><p> - </p><p>- </p><p>- Cooling tower</p><p> Cooling tower- </p></li><li><p>,approach out water wet bulbT T T = </p><p>, ,range in water out waterT T T = </p><p>Approach </p><p>Range </p><p>- Cooling </p><p>tower </p><p>- </p><p> approach </p><p>5.56oC.</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 51</p><p> Cooling tower</p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 52</p><p> (Evaporating loss)</p><p>%7TE =</p><p>E% = % </p><p>T = [OC]</p><p> (Drift loss)</p><p>- </p><p>- </p><p>- 20% </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 53</p><p> () ()</p><p> (Blow down loss)</p><p>% % %% %</p><p>E D BCD B+ +</p><p>=+</p><p>C = ( </p><p> 3 4)</p><p>B% = % </p><p>D% = % </p><p>E% = % </p><p>- </p><p>- </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 55</p><p> Cooling tower</p><p>; 1 = 3900 kcal/hr 27OC</p><p>(1 Btu = 0.25199 kcal)</p><p> 37OC 32 OC </p><p> 13 27 OC</p><p> = </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 56</p><p> Cooling tower Cooling tower</p><p>1. </p><p>2. </p><p>3. </p><p>4. </p><p>5. </p><p>6. </p></li><li><p>Chainarong Chaktranond, Mechanical Engineering, Thammasat University 57</p><p> Cooling tower Cooling tower</p><p> Cooling tower</p></li><li><p> : </p><p> (2535)</p><p>() ()</p></li><li><p>CT-1</p><p>CT-2</p><p>CT-3</p><p>S</p><p>S</p><p>S12</p><p>S D&gt;</p><p>CT-1 CT-2 CT-3</p><p>13</p><p>S D&gt;</p><p>D</p></li><li><p>-</p><p>- </p><p>- </p><p>-</p><p>- </p><p>- </p><p>- </p><p>- Cooling tower Cooling tower</p><p>- </p><p>- </p><p>1. </p></li><li><p>- </p><p>- Cooling tower </p><p> Cooling tower </p><p>- </p><p>- </p><p>- </p><p>- Cooling tower </p><p>- </p><p>2. </p></li><li><p>- </p><p>- </p><p>- </p><p>-</p><p>-</p><p>-</p><p>-</p><p>-</p><p>-</p><p>4.</p><p>- </p><p>- </p><p>- </p><p>-</p><p>-</p><p>-</p><p>3. </p></li><li><p>- </p><p>- </p><p>- </p><p>- </p><p>-</p><p>-</p><p>-</p><p>-</p><p>7. </p><p>- </p><p>- </p><p>-</p><p>-</p><p>5. </p><p>- </p><p>- </p><p>- </p><p>- </p><p>- </p><p>- </p><p>8. </p></li><li><p>Maintenance</p></li></ul>

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