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aula 15 - 28 06 2021 - PCF_ABRAVA_2021 (1)
João Paulo gamer
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GENERAL Masterplan Engenheiros Associados R-22 R-407C R-410A Dimensionamento de tubulação frigorífica LIQUIDO ΔPmáx = 0.03745 0.04344 0.05895 (MPa] Lecot = 0 0 [m] 0.01026 10.26 Diâmetro calculado Diâmetro normalizado CL máx. = 11.248 14.157 14.249 [kW] Lecrl = 0 0 [m] 0 13.09 Øext = 12.00 [mm] Øext = 12 [mm] CL corr. = 11.248 14.157 14.249 [kW] Levs = 0 0 [m] 0 16.17 Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] CL máx. norm. = 11.248 14.157 14.249 [kW] Levsl = 0 0 [m] 0 19.98 ΔTtub = 0.12 [k] ← Cproj = [KW] Ltotal = 0.00 [m] CL corr. norm. = 11.248 14.157 14.249 [kW] Levl = 0 0 [m] 0 25.83 ΔTH = 0.00 [K] CL máx. = 14.25 [kW] ← ΔTunit = 0,02 [K/m] Fluido: R-410A ΔTunit = 0.02 0.05 [K/m] 0 32.5 ΔTunit = 0.0200 [k/m] ← Cproj = [KW] CL corr. = 14.25 [kW] ← ΔTunit = 0,02 [K/m] Capacidade: [kW] → 0.0 [TR] ρliqu = 1128.50 1067.40 976.20 [kg/m3] ΔTunit = 0.0200 0.0200 [K/m] 0 39.38 ΔPtub = 0.0070 [MPa] ← Cproj = [KW] ΔTtub = 0.12 [k] ← Cproj = [KW] [TR] → 0.00 [kW] hliqu = 249.66 260.43 266.41 [kJ/kg] 0 51.05 ΔPtotal = 0.0070 [MPa] ΔTH = 0.00 [k] ← Hlíquido = [m] ṁ = 0 0 0 [kg/s] ΔTsing = 0.12 [K] 0 63.61 ΔTsub mín = 0.12 [K] ΔTunit = 0.000 [k/m] ← Cproj = [KW] Linha de líquido Q = 0 0 0 [m3/s] ΔPsing = 0.007 [MPa]→ ΔTsing = 0,12 [K] 0 75.1 ΔPtub = 0.0070 [MPa] ← Cproj = [KW] Tcondens = 40.0 [oC] V = 0.00 0.00 0.00 [m/s] ΔPtotal = 0.0070 [MPa] Tevap = -5.0 [oC] ΔTsub mín = 0.12 [K] ΔTmáx = 1.0 [K]→ ΔPmáx = 0.0590 [MPa] ΔTunit = 0.02 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1179 [Pa/m] SUCÇÃO ΔPmáx = 0.018275 0.01839 0.02843 (MPa] Lecot = 0 0 [m] 0.01026 10.26 Diâmetro calculado Diâmetro normalizado Linha de sucção CL máx. = 1.762 2.083 2.829 [kW] Lecrl = 0 0 [m] 0 13.09 Øext = 12.00 [mm] Øext = 12 [mm] Tcondens = 40 [oC] CL corr. = 1.762 2.083 2.829 [kW] Levs = 0 0 [m] 0 16.17 Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] Tevap = 5.0 [oC] CL máx. norm. = 1.762 2.083 2.829 [kW] 0 19.98 ΔTtub = 0.00 [k] ← Cproj = [KW] Ltotal = 0.00 [m] ΔTmáx = 1.0 [K]→ ΔPmáx = 0.0284 [MPa] CL corr. norm. = 1.762 2.083 2.829 [kW] ΔTunit = 0.0400 0.0400 [K/m] 0 25.83 ΔTunit = 0.0400 [k/m] ← Cproj = [KW] CL máx. = 2.83 [kW] ← ΔTunit = 0,04 [K/m] ΔTunit = 0.0400 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1137.2 [Pa/m] ρliqu = 1128.50 1067.40 976.20 [kg/m3] 0 32.5 ΔPtub = 0.0000 [MPa] ← Cproj = [KW] CL corr. = 2.83 [kW] ← ΔTunit = 0,04 [K/m] hliqu = 249.66 260.43 266.41 [kJ/kg] ΔTsing = 0 [K] 0 39.38 ΔTtub = 0.00 [k] ← Cproj = [KW] Linha de descarga ρvap = 24.79 23.3 35.85 [kg/m3] ΔPsing = 0 [MPa]→ ΔTsing = 0 [K] 0 51.05 ΔTunit = 0.000 [k/m] ← Cproj = [KW] Tcondens = 40 [oC] ṁ = 0 0 0 [K/m] 0 63.61 ΔPtub = 0.0000 [MPa] ← Cproj = [KW] Tevap = 5 [oC] Q = 0 0 0 [kg/s] 0 75.1 ΔTmáx = 1.0 [K]→ ΔPmáx = 0.05895 [MPa] V = 0.00 0.00 0.00 [m/s] 0 99.48 ΔTunit = 0.02 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1179 [Pa/m] DESCARGA ΔPmáx = 0.03741 0.04096 0.05895 (MPa] Lecot = 0 0 [m] 0.01026 10.26 Diâmetro calculado Diâmetro normalizado CL máx. = 2.601 3.288 4.062 [kW] Lecrl = 0 0 [m] 0 13.09 Øext = 12.00 [mm] Øext = 12 [mm] Observação: célula B9 preenchimento obrigatório CL corr. = 2.601 3.288 4.062 [kW] Levs = 0 0 [m] 0 16.17 Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] CL máx. norm. = 2.601 3.288 4.062 [kW] 0 19.98 ΔTtub = 0.00 [k] ← Cproj = [KW] Ltotal = 0.00 [m] CL corr. norm. = 2.601 3.288 4.062 [kW] ΔTunit = 0.0200 0.0200 [K/m] 0 25.83 ΔTunit = 0.020 [k/m] ← Cproj = [KW] CL máx. = 4.06 [kW] ← ΔTunit = 0,02 [K/m] ρvap = 46.70 56.52 70.25 [kg/m3] 0 32.5 ΔPtub = 0.0000 [MPa] ← Cproj = [KW] CL corr. = 4.06 [kW] ← ΔTunit = 0,02 [K/m] ṁ = 0 0 0 [K/m] ΔTsing = 0 [K] 0 39.38 ΔTtub = 0.00 [k] ← Cproj = 0 [KW] Q = 0 0 0 [kg/s] ΔPsing = 0 [MPa]→ ΔTsing = 0 [K] 0 51.05 ΔTunit = 0.0000 [k/m] ← Cproj = 0 [KW] V = 0.00 0.00 0.00 [m/s] 0 63.61 ΔPtub = 0.0000 [MPa] ← Cproj = 0 [KW] 0 75.1 LIQUID Masterplan Engenheiros Associados Dimensionamento de tubulação frigorífica - Linha de líquido Fluido: R-410A ΔTmáx = 1 [K]→ ΔPmáx = 0.05895 [MPa] ΔTunit = 0.02 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1179 [Pa/m] Tcondens = 40 [oC] Tevap = -5 [oC] Cproj = 0.00 [kW] Øext = 12.00 [mm] ← Célula variável TUBO DE COBRE Ltubo = [m] Øcalc Ønorm Øext[in] Øext[mm] Ncot = →Lecot = 0.00 0.00 [m] 1/2 12 Ncrl = →Lecrl = 0.00 0.00 [m] 5/8 15 Nvál serv = →Levs = 0.00 0.00 [m] 3/4 18 Nvál sol = →Lequiv = 0.00 0.00 [m] 7/8 22 Nvisor = →Lequiv = 0.00 0.00 [m] 1 1/8 28 ΔPsing = 0.007 [MPa]→ ΔTsing = 0,12 [K] 1 3/8 35 Hlíquido = [m]→ ΔPgeo = 0.0000 [MPa] 1 5/8 42 2 1/8 54 Ltotal = 0.00 [m] 2 5/8 67 CL máx. = 14.25 [kW] ← ΔPunit = 0,02 [K/m] 3 1/8 79 CL corr. = 14.25 [kW] ← ΔPunit = 0,02 [K/m] CL corr. - Cproj = 14.2487 [kW] ← Equação objetivo RESULTADOS DE CÁLCULO Diâmetro calculado Diâmetro normalizado Øext = 12.00 [mm] Øext = 12 [mm] Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] ΔTtub = 0.12 [k] ← Cproj = [KW] Ltotal = 0.00 [m] ΔTH = 0.00 [K] CL máx. = 14.25 [kW] ← ΔTunit = 0,02 [K/m] ΔTunit = 0.0200 [k/m] ← Cproj = [KW] CL corr. = 14.25 [kW] ← ΔTunit = 0,02 [K/m] ΔPtub = 0.0070 [MPa] ← Cproj = [KW] ΔTtub = 0.12 [k] ← Cproj = [KW] ΔPtotal = 0.0070 [MPa] ΔTH = 0.00 [k] ← Hlíquido = [m] ΔTsub mín = 0.12 [K] ΔTunit = 0.000 [k/m] ← Cproj = [KW] ΔPtub = 0.0070 [MPa] ← Cproj = [KW] ΔPtotal = 0.0070 [MPa] ΔTsub mín = 0.12 [K] SUCTION Masterplan Engenheiros Associados Dimensionamento de tubulação frigorífica - Linha de sucção Fluido: R-410A ΔTmáx = 1 [K]→ ΔPmáx = 0.02843 [MPa] ΔTunit = 0.04 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1137.2 [Pa/m] Tcondens = 40 [oC] Tevap = 5 [oC] Cproj = 0.00 [kW] Øext = 12.00 [mm] ← Célula variável TUBO DE COBRE Ltubo = [m] Øcalc Ønorm Øext[in] Øext[mm] Ncot = →Lecot = 0.00 0.00 [m] 1/2 12 Ncrl = →Lecrl = 0.00 0.00 [m] 5/8 15 Nvál serv = →Levs = 0.00 0.00 [m] 3/4 18 ΔPsing = [MPa]→ ΔTsing = 0 [K] 7/8 22 1 1/8 28 1 3/8 35 1 5/8 42 Ltotal = 0.00 [m] 2 1/8 54 CL máx. = 2.83 [kW] ← ΔPunit = 0,04 [K/m] 2 5/8 67 CL corr. = 2.83 [kW] ← ΔPunit = 0,04 [K/m] 3 1/8 79 CL corr. - Cproj = 2.8294 [kW] ← Equação objetivo 4 1/8 105 RESULTADOS DE CÁLCULO Diâmetro calculado Diâmetro normalizado Øext = 12.00 [mm] Øext = 12 [mm] Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] ΔTtub = 0.00 [k] ← Cproj = [KW] Ltotal = 0.00 [m] ΔTunit = 0.0400 [k/m] ← Cproj = [KW] CL máx.= 2.83 [kW] ← ΔTunit = 0,04 [K/m] ΔPtub = 0.0000 [MPa] ← Cproj = [KW] CL corr. = 2.83 [kW] ← ΔTunit = 0,04 [K/m] ΔTtub = 0.00 [k] ← Cproj = [KW] ΔTunit = 0.0000 [k/m] ← Cproj = [KW] ΔPtub = 0.0000 [MPa] ← Cproj = [KW] DISCHARGE Masterplan Engenheiros Associados Dimensionamento de tubulação frigorífica - Linha de descarga Fluido: R-410A ΔTmáx = 1 [K]→ ΔPmáx = 0.05895 [MPa] ΔTunit = 0.02 [K/m] ASHRAE Handbook REFRIGERATION 2018 → ΔPunit = 1179 [Pa/m] Tcondens = 40 [oC] Tevap = 5 [oC] Cproj = 0.00 [kW] Øext = 12.00 [mm] ← Célula variável TUBO DE COBRE Ltubo = [m] Øcalc Ønorm Øext[in] Øext[mm] Ncot = →Lecot = 0.00 0.00 [m] 1/2 12 Ncrl = →Lecrl = 0.00 0.00 [m] 5/8 15 Nvál serv = →Levs = 0.00 0.00 [m] 3/4 18 ΔPsing = [MPa]→ ΔTsing = 0 [K] 7/8 22 1 1/8 28 1 3/8 35 1 5/8 42 Ltotal = 0.00 [m] 2 1/8 54 CL máx. = 4.06 [kW] ← ΔPunit = 0,02 [K/m] 2 5/8 67 CL corr. = 4.06 [kW] ← ΔPunit = 0,02 [K/m] 3 1/8 79 CL corr. - Cproj = 4.0624 [kW] ← Equação objetivo RESULTADOS DE CÁLCULO Diâmetro calculado Diâmetro normalizado Øext = 12.00 [mm] Øext = 12 [mm] Ltotal = 0.00 [m] Vlinha = 0.00 [m/s] ΔTtub = 0.00 [k] ← Cproj = [KW] Ltotal = 0.00 [m] ΔTunit = 0.0200 [k/m] ← Cproj = [KW] CL máx. = 4.06 [kW] ← ΔTunit = 0,02 [K/m] ΔPtub = 0.0000 [MPa] ← Cproj = [KW] CL corr. = 4.06 [kW] ← ΔTunit = 0,02 [K/m] ΔTtub = 0.00 [k] ← Cproj = 0 [KW] ΔTunit = 0.0000 [k/m] ← Cproj = 0 [KW] ΔPtub = 0.0000 [MPa] ← Cproj = 0 [KW]
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