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

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  • Energy management in Energy management in building and industry building and industry

    Refrigeration and Air conditioning SystemRefrigeration and Air conditioning System

    Room 413 E-mail: cchainar@engr.tu.ac.th

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 2

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 3

    -

    -

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 4

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 5

    1. (Pump)

    2.

    (Pump)

    4. (Pump)

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    (Pump)

    (Low Pressure head) (High

    Pressure Head)

    2

    -

    -

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 7

    Centrifugal

    - Roto-dynamic

    Rotary

    -

    Reciprocating

    -

    Special

    - 3

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 8

    Canned Pump, Magnetic Drive Pump, Intermediate

    Temperature Pump, Turbo Pump, Cantilevered Pump, Trash

    Pump, Vertical Turbine Pump

    (Specialized Pumps)

    Direct Acting Pump, Diaphragm Pump, Rotary Piston Pump,

    Power Pump

    (Reciprocating Pumps)

    Gear Pump, Vane Pump, Com and Piston Pump, Screw Pump,

    Lope Pump

    (Rotary Pumps)

    Volute Pump, Diffuser Pump, Regenerative Turbine Pump,

    Vertical Turbine Pump, Mixed Flow Pump, Axial Flow

    (Propeller) Pump

    (Centrifugal Pumps)

  • 7.2

    7.1

    7.

    6.2

    6.1

    6.

    5.

    4.

    3.

    6.5 6.56.54.5 4.52. ()

    1.

    Reciprocating Pumps

    Direct Acting : Double Acting

    Rotary Pumps

    Screw, Gear

    Centrifugal Pumps

    Volute, Diffuser : Axial Flow

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 10

    (Centrifugal Pumps)

    90%

    Centrifugal Pump

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 11

    Volute

    30

    Volute

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 12

    Diffuser

    Volute

    (Guide Vane)

    Volute

    Diffuser

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 13

    Axial Flow

    Axial Flow

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 14

    (Rotary Pumps)

    2

  • (Rotary lobe) (Rotary gear)

    (Rotary Pumps)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 17

    Centrifugal pump

    Volume =

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 19

    Vertical Turbine

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 20

    2

    (Axial Flow Fans)

    (Centrifugal Flow or Radial Fans)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 21

    (Centrifugal Flow or Radial Fans)

    3

    (Straight Blade Radial Fans)

    (Forward Curved Blade Fans)

    (Backward Curved Blade Fans)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 22

    6 20

    500 3000 /

    (Straight Blade Radial Fans)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 23

    20 60

    (Forward Curved Blade Fans)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 24

    10 50

    (Backward Curved Blade Fans)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 25

    (Axial Flow Fans)

    (Tube Axial Fans)

    Tube axial fans

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 26

    (Vane Axial Fans)

    Tube axial fans

    (Axial Flow Fans)

    Vane axial fans

  • (capacity) () [m3/min]

    () [mmHq]

    multiblade (sirocco)

    0.5 - 20,000 0.5 - 7.5 [kPa]

    -

    fan ~ 40,000

    ~ 15 [kPa] backward curved wheel (turbo)

    blower ~ 5,000

    ~ 0.1 [kPa]

    ce

    ntrif

    ugal

    airfoil ~ 40,000 ~ 10 [kPa]

    -

    propeller ~ 500 ~ 0.1 [kPa]

    unit heater, unit cooler

    tube ~ 40,000 ~ 10 [kPa]

    ax

    ial f

    low

    vane ~ 60,000 ~ 0.1 [kPa]

    -

    cross flow ~ 500 ~ 1 [kPa]

    fan coil unit

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 28

    (Ns, [rpm])

    ( axial flow pump) Ns

    ( turbine pump) Ns

    Q :

    H : [m]

    N : [RPM]

    43

    H

    QNN s =

    Ns

    Q N 2H N 3P N

  • radial flow mixed flow diagonal flow axial flow

    centrifugal pump mixed flow pump axial flow pump

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 31

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 32

    (axial flow, radial flow, turbo)

    (roots blower) 9.8-98 kPa

    (axial flow, sirocco, radial

    flow, turbo) 9.8 kPafan

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 33

    = ()=

    =

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 34

    = /

    = /

    =

    : [kPa] : [m3/s] : [kW]

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 35

    = / = 9.8

    /

    : m3/s

    : kW

    : m

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 36

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 37

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 38

    1 1

    2 2

    Q NQ N

    =

    2

    1 1

    2 2

    H NH N

    =

    3

    1 1 1 1

    2 2 2 2

    P Q H NP Q H N

    = =

    Q

    N

    H

    P

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 39

    (D) (N) (Q) (H)

    (P) 3

    1 1 1

    2 2 2

    Q N DQ N D

    =

    2 2

    1 1 1

    2 2 2

    H N DH N D

    =

    3 5

    1 1 1

    2 2 2

    P N DP N D

    =

    ()

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 40

    (1) a

    V

    V'

    a

    b

    (1)

    (2)

    (3)

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 41

    2

    2

    1

    1

    1

    2

    2 1

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 42

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 43

    -

    -

    -

    -

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 44

    ( )

    (capacity)

    (impeller)

    ( )

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 46

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 47

    Cooling tower

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 48

    Cooling tower

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 49

    Cooling tower

    Cooling tower -

    -

    -

    -

    Cooling tower

    -

    -

    - Cooling tower

    Cooling tower-

  • ,approach out water wet bulbT T T =

    , ,range in water out waterT T T =

    Approach

    Range

    - Cooling

    tower

    -

    approach

    5.56oC.

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 51

    Cooling tower

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 52

    (Evaporating loss)

    %7TE =

    E% = %

    T = [OC]

    (Drift loss)

    -

    -

    - 20%

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 53

    () ()

    (Blow down loss)

    % % %% %

    E D BCD B+ +

    =+

    C = (

    3 4)

    B% = %

    D% = %

    E% = %

    -

    -

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 55

    Cooling tower

    ; 1 = 3900 kcal/hr 27OC

    (1 Btu = 0.25199 kcal)

    37OC 32 OC

    13 27 OC

    =

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 56

    Cooling tower Cooling tower

    1.

    2.

    3.

    4.

    5.

    6.

  • Chainarong Chaktranond, Mechanical Engineering, Thammasat University 57

    Cooling tower Cooling tower

    Cooling tower

  • :

    (2535)

    () ()

  • CT-1

    CT-2

    CT-3

    S

    S

    S12

    S D>

    CT-1 CT-2 CT-3

    13

    S D>

    D

  • -

    -

    -

    -

    -

    -

    -

    - Cooling tower Cooling tower

    -

    -

    1.

  • -

    - Cooling tower

    Cooling tower

    -

    -

    -

    - Cooling tower

    -

    2.

  • -

    -

    -

    -

    -

    -

    -

    -

    -

    4.

    -

    -

    -

    -

    -

    -

    3.