In-Transit Temperature — Bare Body, Short Hop
Mix temperature on arrival for bare body, short hop (Newton cooling) vs the compaction minimum.
Untarped short hops feel harmless and usually are — 18 minutes loses only a few degrees. The exception is wind: highway speed over an open load is a wind tunnel, and the model's coefficient already assumes legal tarping. Bare loads in wind lose double.
Formula
Note: Paving estimates only — the project mix design, agency specification and the plant's QC data govern. Temperature models are simplified; verify with an infrared gun and density gauge on the mat.
Mix temperature on arrival for bare body, short hop (Newton cooling) vs the compaction minimum. A free asphalt paving temperature & logistics tool — no sign-up, no upload, instant results in your browser.
About In-Transit Temperature — Bare Body, Short Hop
In-Transit Temperature — Bare Body, Short Hop computes the governing relationship T(t) = T_a + (T₀ − T_a)e^(−kt) live as you type. Untarped short hops feel harmless and usually are — 18 minutes loses only a few degrees. The exception is wind: highway speed over an open load is a wind tunnel, and the model's coefficient already assumes legal tarping. Bare loads in wind lose double. Defaults are pre-filled with realistic values for this exact scenario, and the worked example substitutes your numbers step by step so the math is never a black box.
How to use In-Transit Temperature — Bare Body, Short Hop
- 1Enter your values — Discharge temp at plant, Ambient temperature, Cooling coefficient, Load-to-discharge time and more (sensible defaults are pre-filled).
- 2Read the live results: Arrival temperature, Heat lost.
- 3Check the "with your numbers" line to see T(t) = T_a + (T₀ − T_a)e^(−kt) substituted step by step.
- 4Adjust inputs until the scenario matches yours, then copy or share the result.
Why use In-Transit Temperature — Bare Body, Short Hop?
- ✓Instant, free and private — every calculation runs client-side in your browser; nothing is uploaded
- ✓Built on the stated formula T(t) = T_a + (T₀ − T_a)e^(−kt) with authoritative sources cited on the page (NAPA — HMA paving handbook & best practices; MultiCool / Minnesota DOT mat-cooling research (Chadbourn et al.))
- ✓Untarped short hops feel harmless and usually are — 18 minutes loses only a few degrees.
- ✓SI ⇄ Imperial toggle converts your inputs in place, so you can work in the units your drawings use
Frequently asked questions
What formula does the in-transit temperature — bare body, short hop use?+
It evaluates T(t) = T_a + (T₀ − T_a)e^(−kt), exactly as published. Sources: NAPA — HMA paving handbook & best practices; MultiCool / Minnesota DOT mat-cooling research (Chadbourn et al.). The substituted worked example on the page lets you verify every step against the textbook.
How should I read the result — and how far can I trust it?+
Untarped short hops feel harmless and usually are — 18 minutes loses only a few degrees. Paving estimates only — the project mix design, agency specification and the plant's QC data govern. Temperature models are simplified; verify with an infrared gun and density gauge on the mat.
When is this calculator the right tool for the job?+
Mix temperature on arrival for bare body, short hop (Newton cooling) vs the compaction minimum. A free asphalt paving temperature & logistics tool. The exception is wind: highway speed over an open load is a wind tunnel, and the model's coefficient already assumes legal tarping. For neighbouring scenarios, the related tools below cover the same engine with different presets.
Does it support both metric and imperial units?+
Yes — the SI ⇄ Imperial toggle converts the values already in the fields, preserving the physical quantity, so you can flip mid-calculation without re-entering anything.
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