Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 163 views

    Heatload Calculation HVAC

    Uploaded by

    Ashitosh Singh
    This document is a formulated heatload sheet for an account section of an office. All the factors has been selected from ISHRAE Handbook.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd

    Heatload Calculation HVAC

    Uploaded by

    Ashitosh Singh
    163 views4 pages
    This document is a formulated heatload sheet for an account section of an office. All the factors has been selected from ISHRAE Handbook.

    Copyright

    © © All Rights Reserved

    Available Formats

    XLSX, PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    This document is a formulated heatload sheet for an account section of an office. All the factors has been selected from ISHRAE Handbook.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    163 views4 pages

    Heatload Calculation HVAC

    Uploaded by

    Ashitosh Singh
    This document is a formulated heatload sheet for an account section of an office. All the factors has been selected from ISHRAE Handbook.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    You are on page 1of 4
    At a glance
    Powered by AI
    The document contains calculations for heat gain and load for an accounting section located on the ground floor of a building.

    The different sections covered include sensible heat gain from glasses, walls and roof, transmission gain from other elements, internal and latent heat gains, and outdoor conditions.

    The factors considered for calculating the sensible heat gain include sun gain factor, equivalent temperature difference factor and area for different glasses, walls, roof and other elements.

    Job Name : NSDC Chennai

    Floor : Ground Floor


    Space : Account Section

    SENSIBLE HEAT
    SOLAR GAIN GLASS HEAT GAIN
    Item Area Sun Gain Factor Btu/hr
    (Sq ft) (Btu/h.sq ft)
    N-Glass 0 0
    NE-Glass 0 0
    E-Glass 0 0
    SE-Glass 0 0
    S-Glass 0 0
    SW-Glass 0 0
    W-Glass 0 0
    NW-Glass 0 0
    Skylight 0 0
    SOLAR & TRANS. GAI WALLS & ROOF
    Item Area Eq. Temp. Diff. Factor
    (Sq ft) (°F)
    N-Wall 0 0
    NE-Wall 0 0
    E-Wall 0 0
    SE-Wall 0 0
    S-Wall 0 0
    SW-Wall 0 0
    W-Wall 0 0
    NW-Wall 0 0
    Room Sun 0 0
    Roof Shaded 0.00 0
    TRANS. GAIN EXCEPT WALLS & ROOF
    Item Area Eq. Temp. Diff. Factor
    (Sq ft) (°F)
    All Glasses 0 25.9 0
    Partition Wall 0 20.9 0
    Ceiling 0.00 20.9 0
    Floor 875.90 20.9 0.44 8054.7764
    INTERNAL HEAT GAIN
    People 15 Heat Gain 276 4140
    Light 1.38 Area 875.90 4109.7228
    Eq. Load 1313.85 W 3.4 4467.09
    OUTSIDE & INFILTRATION AIR
    CFM Δ°F BF FACTOR
    127.55 25.9 0.1 1.08 356.7940488
    SAFETY FACTOR
    Supply Duct heat Supply Duct leak
    Heat Gain From fan HP (%) 1690.270659904
    gain + loss +

    8% 5.00% 1056.41916244
    EFFECTIVE ROOM SENSIBLE HEAT (ERSH ) 23875.073071144
    LATENT HEAT
    People 15 Heat Gain 231 3465
    OUTSIDE & INFILTRATION AIR
    CFM Δ Grains BF FACTOR
    127.55 79.1 0.1 0.68 686.0874552
    ROOM LATENT HEAT
    Supply Duct leakage loss + Safety Factor (%) 207.55437276
    5.00%
    EFFECTIVE ROOM LATENT HEAT (ERLH) 4358.64182796
    EFFECTIVE ROOM TOTAL HEAT (ERTH) 28233.714899104

    OUTDOOR HEAT
    CFM Δ°F / Grains CF=1-BF FACTOR
    SENSIBLE 127.554 25.9 0.9 1.08 3211.1464392
    LATENT 127.554 79.1 0.9 0.68 6174.7870968
    HEAT SUB TOTAL
    Return Duct
    Heat Gain & HP Pump + 5% 1880.9824217552
    Leak Loss +

    GRAND TOTAL HEAT 39500.630856859


    Area ft² 875.90
    Volume ft³ 10481.8953
    Height ft 11.967

    AIR QUANTITY
    Condition DB (°F) WB (°F) % RH GR / LB
    Outside 97.9 82.4 143.7
    Room 72 55 64.6
    Difference 25.9 79.1

    OUTSIDE AIR (VENTILATION)


    (cfm/person × No. of persons) + (0.06 × Area sq ft)
    Fresh Air 5 15 52.554 127.55

    Effective Room Sensible Heat Factor


    ESHF 23875.07 28233.71 0.845622800841616

    ADP
    Selected ADP 52

    Dehumidifide Rise
    Dehumidifide Rise 18

    Dehumidifide Air Flow


    Dehumidifide Air Flow 1228.14161888601

    Tonnage
    TR 3.2917192380716

    CORRECTION FACTOR
    BYPASS FACTOR 0.1
    75 CFM
    25.9 S.TEMP

    19.44 deno
    N-Wall 0
    NE-Wall 0
    E-Wall 0
    SE-Wall 0
    S-Wall 0
    SW-Wall 0
    W-Wall 0
    NW-Wall 0
    Room Sun 0
    Roof Shaded 0

    Add 21128.38
    Room -72

    -52 ADP
    20

    -0.1
    `

    You might also like