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Give UA (or U and area) and both flows to rate it: outlets and duty. Give one side's flow and temperatures (or the duty) to size it: UA, LMTD, F and the area for U (a typical-U range when U isn't given). With UA, leave one flow out and give an outlet to find that flow. A condensing or boiling side with no flow gets the flow needed." }, "insulation": { "title": "Insulation", "type": "array", "description": "One pipe or flat surface per object: pipe ('4 in sch 40', 'DN100', '2 in type L copper') or outsideDiameter, or surface: 'flat' with orientation (vertical, top, bottom), height and area; processTemperature, ambientTemperature, location (indoor or outdoor) or wind, layers (['50 mm mineral wool', '1 in aerogel'] or [{material, thickness, k}]; materials: mineral wool, fiberglass, calcium silicate, cellular glass, elastomeric foam, PIR, PUR, phenolic, aerogel, perlite, XPS, EPS, polyethylene, ceramic fiber), jacket (aluminum, stainless, galvanized, PVC, all-service jacket, none) or emissivity, length. Set one layer's thickness to 'find' with maxSurfaceTemperature (or personnelProtection: true), maxHeatLoss ('50 W/m', '20 Btu/h·ft', a total) or relativeHumidity (cold surfaces) for the thinnest standard thickness. Optional: hoursPerYear, energyPrice ('0.05 per kWh', '$10 per MMBtu'), efficiency, fluid and flow for the temperature change along the pipe." }, "walls": { "title": "Walls, roofs and floors", "type": "array", "description": "One construction per object: layers from inside to outside (or order: 'outside in') as text ('100 mm mineral wool', '102 mm brick', '25 mm air gap', 'ventilated cavity', 'R-13 batt', 'RSI 2.5', 'k 0.035 W/mK 120 mm') or {material, thickness, k, R, bridging: '15% softwood'}; position (wall, roof, floor); insideTemperature and outsideTemperature for the heat flow and temperatures; area; insideHumidity for the condensation check; targetU (or targetR) with one layer's thickness 'find' for the insulation needed." }, "units": { "title": "Units", "enum": [ "auto", "SI", "US" ], "type": "string", "description": "Units of bare numbers and of the results. Automatic picks US when most units written are US units.", "default": "auto" }, "charts": { "title": "Draw charts", "type": "boolean", "description": "A T-Q diagram and effectiveness-NTU curves for each exchanger, heat loss and surface temperature against thickness for insulation, and the temperature profile and resistances of each wall.", "default": true } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } } } } } } } } }